luni, 30 aprilie 2012

SharePoint Application Development: Presenting a Secure Platform for Collaboration and Information Sharing

Sharepoint application development has offered the much sought after solution for centralized information sharing and work collaboration. In enterprise level organizations, management of document and sharing of information become more complex. Also, a large organization may operate in different locations through regional offices. As such, it becomes more and more a complex process to share internal files and documents. And Microsoft's SharePoint is the answer to this challenge. It is a versatile document management platform and online collaboration system which can be utilized to create and host robust internet and intranet sites as well as web applications. Also, the websites developed with SharePoint come with some unique and innovative features which can further enhance and facilitate sharing of information.

With SharePoint, setting up and running a web portal can be accomplished in lesser time. And a SharePoint site can support enterprise level web applications. As such, you can be assured of a fully secure and functional portal. Moreover, your organization now has a site which acts as a centralized platform for sharing of information. The intended users can be assigned secure usernames and passwords for accessing the site. Also the site features a search engine which enables the user to look for and access the required information instantly. And with instant availability of information, you can expect an accelerated business process and faster turnaround time. At the same time, different members of your organization can work together on particular projects and assignments irrespective of their geographical locations. And when you provide a secure environment for information sharing and collaboration, you can expect an overall improvement in organizational efficiency.

SharePoint sites are simple to design, deploy, and manage. An administrator can easily coordinate site content as well as user activity. Another feature of SharePoint site is ready-to-use web parts. These web parts can add to the functionality of the site. Also the site administrator can customize or configure these web parts as per your business requirements. And if you are looking forward to build a SharePoint portal, you can rely on Indian SharePoint developers for a comprehensive range of SharePoint development services.



access point vs router

Requirement Of Mobile Application Development

Every individual understands that this is the flourishing age for wireless submission development market. This has apprehended a significance of every wireless and expertise admirer lately and its demand in the market has developed very rapidly. Due to the huge and very fast usage of wireless apparatus, enterprises and associations are taking concern for buying into in this market.
Previously, businesses were chartering commerce professionals and programs engineers for study and development for programs, trading, etc. As more and more intelligent telephone apparatus and tablet computers are approaching in the market, the obligations for evolving submissions furthermore increasing. This is the entire and dynamic stage in third party wireless programs development companies.
This has granted support to the businesses to make an implementation on their creative concepts to put them into existence. Various wireless functioning schemes stages are accessible in the commerce, and affray between the world broad web service providers businesses are growing. So, it finally advantages the consumers. Mobile development professionals are supplying entire, expert and astonishing wireless programming and submission answers to their purchasers over the world.
Several stages for wireless submission development:
iPhone
Android
Blackberry
Windows mobile
J2ME mobile
Symbian
iPad
With the expanding demand of wireless app answers, its submission programmers are furthermore in full demand. Mobile apps developers are accomplished and creative to conceive any kind of submission, and they have huge wireless commerce know-how in construction its apps utilizing GPS, GPRS and Wi-Fi. Application developers are enthusiastic in conceiving apps for distinct wireless apparatus and tablet PCs.
Today's tendency and classes for the wireless submission development:
Business
Finance and Money
Games
News
Weather
Lifestyle
Travel
Education and Study
GPS navigation
Wireless Internet Security
These are the flourishing localities for conceiving submissions, today. Offshore wireless apps businesses are furthermore supplying more creative apps exception from the overhead categories. If one has a concept and likes to conceive apps on that cornerstone then world broad web answers provider businesses are furthermore supplying dedicated charter wireless apps developer service to their clients. They can furthermore customize your living apps to make it as per your desires and requirements.
So, wireless apps development is the classic stage for the programs development businesses as well as the buyers of this service.

access point vs router

Benefits Of J2me "?" Review

Palmtops, Pagers and cell telephones are universal and the kind is endless. The industries require for these apparatus to be adept to run and present nearly any task that utilized to be finished on desktops needs a benchmark and straightforward way to evolve applications. The answer should match a kind of stages and take in care numerous limitations for example restricted recollection, little computer display dimensions, alternate input procedures, and slow processors that being little adds with.
Recognizing that "one dimensions doesn't fit all", Sun regrouped its Java technologies into three editions, each is directed at an exact market segment:
- J2EE - Aimed at hefty obligation server systems.
- J2SE - Aimed at Standard desktop & workstation applications
And Java 2 Platform Micro Edition (J2ME) - Aimed at Small & recollection guarded apparatus and standardize the use of Java expertise in wireless devices. The J2ME architecture had to be modular and scalable due to the diversity of goal devices. To accomplish this, J2ME presents a variety of virtual appliances, each optimized to the distinct processor kinds and recollection footprints.
J2ME benefits encompass advanced security and consistency of submissions over stages and apparatus, better client interfaces with graphics, the proficiency to function off-line out of wireless treatment, peer-to-peer networking and no authorizing costs required for the SDK, which entails that any individual can conceive a submission and market it.
J2ME vs. WAP
J2ME apps have much more to offer than those constructed under the Wireless Application Protocol (WAP), in periods of both characteristics and security. Whereas WAP is a thin-client development protocol, J2ME is a development stage expressly for intelligent applications. J2ME submissions offer the next security benefits over WAP applications:
- Without a WAP entrance in the middle, intelligent submissions can supply scalable end-to-end security from the back end to wireless devices. This will become particularly significant as the back end develops into a message-driven Web-services framework.
- Smart submissions can shop and method facts and numbers in the local area, thereby decreasing mesh traffic. Not only does this conserve prized wireless bandwidth and decrease latency, it decreases the prospect that vital data will be intercepted or cut off (e.g., by denial-of-service attacks).
- Smart submissions utilize apparatus processing power efficiently. Instead of encrypting everything with the identical key power despite of desires, wealthy purchasers can set up a comprehensive differentiating security principle founded on the content.
J2ME vs. native platforms
As in evaluation with the native stages, the major power of the Java stage is that it permits us to compose portable applications. The Java platform's portability arises from its execution model. Specifically, it arises from the use of the JVM to method Java byte cipher into appliance cipher at runtime, supplying a compatibility level on peak of the hardware. The Java platform's execution form furthermore inserts some significant security advantages that need in device-native applications. These advantages are as follows:
- The JVM verifies all categories in class loaders and double-checks that submissions manage not present any unsafe operations. Because runtime class verification is computationally costly for MIDP VMs, MIDP has a exceptional two-step byte cipher verification scheme. We'll address this design in a subsequent section.
- The JVM has a supervising means to safeguard runtime submission errors. A good demonstration is the rubbish collector. The JVM can clean up submission recollection heaps mechanically at runtime. This assists to bypass recollection leaks, which are the foremost origin of smashes amidst native applications.
- The JVM can supply a security supervisor or sandbox for applications. Viruses and other hostile cipher unintentionally downloaded from the Web can represent grave security risks. On the Java stage, whole submissions (i.e., JAR files) can be digitally signed. The JVM security supervisor allocations the marked submission privileges to get access to exact APIs (domains) founded on the believe grade of the signer. We'll talk about domain-based wireless cipher security in more minutias in a subsequent section.

access point vs router

CCNP Certification / BCMSN Exam Tutorial: Getting Started With HSRP - Computers

Defined in RFC 2281, HSRP is a Cisco-proprietary protocol in which routers are put into an HSRP router group. Along with dynamic routing protocols and STP, HSRP is considered a high-availability network service, since all three have an almost immediate cutover to a secondary path when the primary path is unavailable.

One of the routers will be selected as the primary ("Active", in HSRP terminology), and that primary will handle the routing while the other routers are in standby, ready to handle the load if the primary router becomes unavailable. In this fashion, HSRP ensures a high network uptime, since it routes IP traffic without relying on a single router.

The hosts using HSRP as a gateway don't know the actual IP or MAC addresses of the routers in the group. They're communicating with a pseudorouter, a "virtual router" created by the HSRP configuration. This virtual router will have a virtual MAC and IP adddress as well.

The standby routers aren't just going to be sitting there, though! By configuring multiple HSRP groups on a single interface, HSRP load balancing can be achieved.

Before we get to the more advanced HSRP configuration, we better get a basic one started! We'll be using a two-router topology here, and keep in mind that one or both of these routers could be multilayer switches as well. For ease of reading, I'm going to refer to them only as routers.

R2 and R3 will both be configured to be in standby group 5. The virtual router will have an IP address of 172.12.23.10 /24. All hosts in VLAN 100 should use this address as their default gateway.

R2(config)#interface ethernet0

R2(config-if)#standby 5 ip 172.12.23.10

R3(config)#interface ethernet0

R3(config-if)#standby 5 ip 172.12.23.10

The show command for HSRP is show standby, and it's the first command you should run while configuring and troubleshooting HSRP. Let's run it on both routers and compare results.

R2#show standby

Ethernet0 - Group 5

Local state is Standby, priority 100

Hellotime 3 sec, holdtime 10 sec

Next hello sent in 0.776

Virtual IP address is 172.12.23.10 configured

Active router is 172.12.23.3, priority 100 expires in 9.568

Standby router is local

1 state changes, last state change 00:00:22

R3#show standby

Ethernet0 - Group 5

Local state is Active, priority 100

Hellotime 3 sec, holdtime 10 sec

Next hello sent in 2.592

Virtual IP address is 172.12.23.10 configured

Active router is local

Standby router is 172.12.23.2 expires in 8.020

Virtual mac address is 0000.0c07.ac05

2 state changes, last state change 00:02:08

We can see that R3 has been selected as the Active router ("local state is Active"), the virtual router's IP is 172.12.23.10, and R2 is the standby router.

There are some HSRP values that you'll need to change from time to time. What if we want R2 to be the Active router instead? Can we change the MAC address of the virtual router? I'll answer those questions in the next part of this HSRP tutorial!



access point vs router

CCNA - CCNP Training - BGP Weights - Computers - Networks

As a CCNA / CCNP candidate you are expected to understand the BGP Weight component in BGP path selection.

During your career as a Cisco network engineer may come across BGP and will be required to configure certain aspects of it operation. BGP is a very tuneable protocol which lets you engineer the paths which BGP chooses to reach prefixes it learned from any peers.One of the settings within BGP on a cisco router which we can use to tune the path chosen by BGP is called "Weight"

A Cisco router can look at the weight given to a route and determine if to take that route. When a Cisco router receives a BGP update it will set the weight either on a single prefix or on all the routes learnt via a particular neighbour.

The weight feature is a Cisco only feature which is therefore not found on any other BGP implementation on any other routers. Weight is never advertised to a neighboring router so it cannot be learnt from another router Cisco or otherwise. To use the weight feature it has to be set to look at all incoming routes from a neighbour, since this feature is a proprietary one and not supported on any other it is not known to be a path attribute. In any event the BGP update packets have no field in which they could communicate the weight value even if they wished to do so.

The weight value is set on an inbound route and has a range of between 0 and 65,535 (2 to the 16 power minus 1), Higher weight values are preferred over lower values, and the default setting is always zero for learned routes and 32,768 for locally injected routes, it is by the way at the time of writing not possible to change the default of 0.

Imagine two routers, one router has a peering arrangement with a neighbour known as 3.3.3.3, we are going to match all routes advertised to our router from 3.3.3.3 matching 10.10.10.0/24 prefix and apply a weight of 1000 Below we create an access list which is to be referenced in a route map in the next step to match the prefix we want to alter the weigh of.

Router #conf tRouter (config)#access-list 1 permit 10.10.10.0 0.0.0.255

The route map below matches the previously configured access list and sets the weigh to 1000, we must also configure an empty route map statement or other routes will not be seen from the Router, the route map will be named TO-R1

Router (config)#route-map TO-R1 permit 10Router (config-route-map)#match address 1Router (config-route-map)#set weight 1000Router (config)#route-map TO-R1 permit 20Router (config-route-map)#exit

Now we have to assign the route map under the BGP process in an "in" direction since the10.10.10.0/24 prefix is being advertised in an inbound direction to the router, now this device will give the route to the 10.10.10.0/24 network higher preference via the 3.3.3.3 peer.Router (config)#router bgp 400Router (config-router)#neighbor 3.3.3.3 route-map TO-R1 inR4(config-router)

duminică, 29 aprilie 2012

Juniper JN0-130 Free Book - Computers - Certification

Juniper Networks Certified Internet Specialist JN0-130 Test

JN0-130

QUESTION 1:

Which two services protect the ERX Edge Router from unauthorized CLI login?

A. IPSecB. SecureIDC. Local passwordsD. Default IP policyE. RADIUS authentication

Answer: C,E

QUESTION 2:

Where is a PIM-SM shared tree rooted?

A. SourceB. Group MemberC. Rendezvous PointD. Designated Router

Answer: C

QUESTION 3:

Which CLI command display statistical information about a policy calledgoldservice?

A. Show ip interface atm 5/1.1B. Show policy list goldserviceC. Show profile name goldserviceD. Show rate-limit profile goldservice

Answer: A

QUESTION 4:

How many traffic classes are supported on the ERX Edge Router?

A. 1B. 2C. 4D. 8

Answer: D JN0-130

QUESTION 5:

What are the three OSPF authentication methods supported on the ERX EdgeRouter? (Choose Three)

A. null passwordB. simple passwordC. message digest 5D. password Authentication ProtocolE. Challenge Handshake Authentication Protocol

Answer: A,B,C

QUESTION 6:

What type of router cannot within a stub area?

A. ABRB. ASBRC. Internal routerD. Non-backbone router

Answer: B

QUESTION 7:

Which statement is true about the frequency of OSPF LSA transmissions?

A. They are configured per OSPF area.B. They are configured per virtual routerC. They are configured per OSPF processD. They are configured per OSPF interface

Answer: DQUESTION 4:

How many traffic classes are supported on the ERX Edge Router?

A. 1B. 2C. 4D. 8

Answer: D JN0-130

QUESTION 5:

What are the three OSPF authentication methods supported on the ERX EdgeRouter? (Choose Three)

A. null passwordB. simple passwordC. message digest 5D. password Authentication ProtocolE. Challenge Handshake Authentication Protocol

Answer: A,B,C

QUESTION 6:

What type of router cannot within a stub area?

A. ABRB. ASBRC. Internal routerD. Non-backbone router

Answer: B

QUESTION 7:

Which statement is true about the frequency of OSPF LSA transmissions?

A. They are configured per OSPF area.B. They are configured per virtual routerC. They are configured per OSPF processD. They are configured per OSPF interface

Answer: D

QUESTION 4:

How many traffic classes are supported on the ERX Edge Router?

A. 1B. 2C. 4D. 8

Answer: D JN0-130

QUESTION 5:

What are the three OSPF authentication methods supported on the ERX EdgeRouter? (Choose Three)

A. null passwordB. simple passwordC. message digest 5D. password Authentication ProtocolE. Challenge Handshake Authentication Protocol

Answer: A,B,C

QUESTION 6:

What type of router cannot within a stub area?

A. ABRB. ASBRC. Internal routerD. Non-backbone router

Answer: B

QUESTION 7:

Which statement is true about the frequency of OSPF LSA transmissions?

A. They are configured per OSPF area.B. They are configured per virtual routerC. They are configured per OSPF processD. They are configured per OSPF interface

Answer: D

QUESTION 8:

If all OSPF routers on a broadcast network have the same OSPF priority, whatparameter is used to determine the new DBR at the time of a DR failure?

A. area IDB. router IDC. LOOPBACK ADDRESSD. IP address of interface on broadcast network

Original Resource :

Visit JN0-130 Link : JN0-130 Download PDF Link : JN0-130



access point vs router

Juniper JN0-130 Free Dumps - Education - Study Techniques

Juniper Networks Certified Internet Specialist JN0-130 Test

JN0-130

QUESTION 1:

Which two services protect the ERX Edge Router from unauthorized CLI login?

A. IPSecB. SecureIDC. Local passwordsD. Default IP policyE. RADIUS authentication

Answer: C,E

QUESTION 2:

Where is a PIM-SM shared tree rooted?

A. SourceB. Group MemberC. Rendezvous PointD. Designated Router

Answer: C

QUESTION 3:

Which CLI command display statistical information about a policy calledgoldservice?

A. Show ip interface atm 5/1.1B. Show policy list goldserviceC. Show profile name goldserviceD. Show rate-limit profile goldservice

Answer: A

QUESTION 4:

How many traffic classes are supported on the ERX Edge Router?

A. 1B. 2C. 4D. 8

Answer: D JN0-130

QUESTION 5:

What are the three OSPF authentication methods supported on the ERX EdgeRouter? (Choose Three)

A. null passwordB. simple passwordC. message digest 5D. password Authentication ProtocolE. Challenge Handshake Authentication Protocol

Answer: A,B,C

QUESTION 6:

What type of router cannot within a stub area?

A. ABRB. ASBRC. Internal routerD. Non-backbone router

Answer: B

QUESTION 7:

Which statement is true about the frequency of OSPF LSA transmissions?

A. They are configured per OSPF area.B. They are configured per virtual routerC. They are configured per OSPF processD. They are configured per OSPF interface

Answer: DQUESTION 4:

How many traffic classes are supported on the ERX Edge Router?

A. 1B. 2C. 4D. 8

Answer: D JN0-130

QUESTION 5:

What are the three OSPF authentication methods supported on the ERX EdgeRouter? (Choose Three)

A. null passwordB. simple passwordC. message digest 5D. password Authentication ProtocolE. Challenge Handshake Authentication Protocol

Answer: A,B,C

QUESTION 6:

What type of router cannot within a stub area?

A. ABRB. ASBRC. Internal routerD. Non-backbone router

Answer: B

QUESTION 7:

Which statement is true about the frequency of OSPF LSA transmissions?

A. They are configured per OSPF area.B. They are configured per virtual routerC. They are configured per OSPF processD. They are configured per OSPF interface

Answer: D

QUESTION 4:

How many traffic classes are supported on the ERX Edge Router?

A. 1B. 2C. 4D. 8

Answer: D JN0-130

QUESTION 5:

What are the three OSPF authentication methods supported on the ERX EdgeRouter? (Choose Three)

A. null passwordB. simple passwordC. message digest 5D. password Authentication ProtocolE. Challenge Handshake Authentication Protocol

Answer: A,B,C

QUESTION 6:

What type of router cannot within a stub area?

A. ABRB. ASBRC. Internal routerD. Non-backbone router

Answer: B

QUESTION 7:

Which statement is true about the frequency of OSPF LSA transmissions?

A. They are configured per OSPF area.B. They are configured per virtual routerC. They are configured per OSPF processD. They are configured per OSPF interface

Answer: D

QUESTION 8:

If all OSPF routers on a broadcast network have the same OSPF priority, whatparameter is used to determine the new DBR at the time of a DR failure?

A. area IDB. router IDC. LOOPBACK ADDRESSD. IP address of interface on broadcast network

Original Resource :

Visit JN0-130 Link : JN0-130 Download PDF Link : JN0-130



access point vs router

Juniper JN0-130 Answers - Computers - Certification

Juniper Networks Certified Internet Specialist JN0-130 Test

JN0-130

QUESTION 1:

Which two services protect the ERX Edge Router from unauthorized CLI login?

A. IPSecB. SecureIDC. Local passwordsD. Default IP policyE. RADIUS authentication

Answer: C,E

QUESTION 2:

Where is a PIM-SM shared tree rooted?

A. SourceB. Group MemberC. Rendezvous PointD. Designated Router

Answer: C

QUESTION 3:

Which CLI command display statistical information about a policy calledgoldservice?

A. Show ip interface atm 5/1.1B. Show policy list goldserviceC. Show profile name goldserviceD. Show rate-limit profile goldservice

Answer: A

QUESTION 4:

How many traffic classes are supported on the ERX Edge Router?

A. 1B. 2C. 4D. 8

Answer: D JN0-130

QUESTION 5:

What are the three OSPF authentication methods supported on the ERX EdgeRouter? (Choose Three)

A. null passwordB. simple passwordC. message digest 5D. password Authentication ProtocolE. Challenge Handshake Authentication Protocol

Answer: A,B,C

QUESTION 6:

What type of router cannot within a stub area?

A. ABRB. ASBRC. Internal routerD. Non-backbone router

Answer: B

QUESTION 7:

Which statement is true about the frequency of OSPF LSA transmissions?

A. They are configured per OSPF area.B. They are configured per virtual routerC. They are configured per OSPF processD. They are configured per OSPF interface

Answer: DQUESTION 4:

How many traffic classes are supported on the ERX Edge Router?

A. 1B. 2C. 4D. 8

Answer: D JN0-130

QUESTION 5:

What are the three OSPF authentication methods supported on the ERX EdgeRouter? (Choose Three)

A. null passwordB. simple passwordC. message digest 5D. password Authentication ProtocolE. Challenge Handshake Authentication Protocol

Answer: A,B,C

QUESTION 6:

What type of router cannot within a stub area?

A. ABRB. ASBRC. Internal routerD. Non-backbone router

Answer: B

QUESTION 7:

Which statement is true about the frequency of OSPF LSA transmissions?

A. They are configured per OSPF area.B. They are configured per virtual routerC. They are configured per OSPF processD. They are configured per OSPF interface

Answer: D

QUESTION 4:

How many traffic classes are supported on the ERX Edge Router?

A. 1B. 2C. 4D. 8

Answer: D JN0-130

QUESTION 5:

What are the three OSPF authentication methods supported on the ERX EdgeRouter? (Choose Three)

A. null passwordB. simple passwordC. message digest 5D. password Authentication ProtocolE. Challenge Handshake Authentication Protocol

Answer: A,B,C

QUESTION 6:

What type of router cannot within a stub area?

A. ABRB. ASBRC. Internal routerD. Non-backbone router

Answer: B

QUESTION 7:

Which statement is true about the frequency of OSPF LSA transmissions?

A. They are configured per OSPF area.B. They are configured per virtual routerC. They are configured per OSPF processD. They are configured per OSPF interface

Answer: D

QUESTION 8:

If all OSPF routers on a broadcast network have the same OSPF priority, whatparameter is used to determine the new DBR at the time of a DR failure?

A. area IDB. router IDC. LOOPBACK ADDRESSD. IP address of interface on broadcast network

Original Resource :

Visit JN0-130 Link : JN0-130 Download PDF Link : JN0-130



access point vs router

Juniper JN0-130 Exam Questions - Education - Study Techniques

Juniper Networks Certified Internet Specialist JN0-130 Test

JN0-130

QUESTION 1:

Which two services protect the ERX Edge Router from unauthorized CLI login?

A. IPSecB. SecureIDC. Local passwordsD. Default IP policyE. RADIUS authentication

Answer: C,E

QUESTION 2:

Where is a PIM-SM shared tree rooted?

A. SourceB. Group MemberC. Rendezvous PointD. Designated Router

Answer: C

QUESTION 3:

Which CLI command display statistical information about a policy calledgoldservice?

A. Show ip interface atm 5/1.1B. Show policy list goldserviceC. Show profile name goldserviceD. Show rate-limit profile goldservice

Answer: A

QUESTION 4:

How many traffic classes are supported on the ERX Edge Router?

A. 1B. 2C. 4D. 8

Answer: D JN0-130

QUESTION 5:

What are the three OSPF authentication methods supported on the ERX EdgeRouter? (Choose Three)

A. null passwordB. simple passwordC. message digest 5D. password Authentication ProtocolE. Challenge Handshake Authentication Protocol

Answer: A,B,C

QUESTION 6:

What type of router cannot within a stub area?

A. ABRB. ASBRC. Internal routerD. Non-backbone router

Answer: B

QUESTION 7:

Which statement is true about the frequency of OSPF LSA transmissions?

A. They are configured per OSPF area.B. They are configured per virtual routerC. They are configured per OSPF processD. They are configured per OSPF interface

Answer: DQUESTION 4:

How many traffic classes are supported on the ERX Edge Router?

A. 1B. 2C. 4D. 8

Answer: D JN0-130

QUESTION 5:

What are the three OSPF authentication methods supported on the ERX EdgeRouter? (Choose Three)

A. null passwordB. simple passwordC. message digest 5D. password Authentication ProtocolE. Challenge Handshake Authentication Protocol

Answer: A,B,C

QUESTION 6:

What type of router cannot within a stub area?

A. ABRB. ASBRC. Internal routerD. Non-backbone router

Answer: B

QUESTION 7:

Which statement is true about the frequency of OSPF LSA transmissions?

A. They are configured per OSPF area.B. They are configured per virtual routerC. They are configured per OSPF processD. They are configured per OSPF interface

Answer: D

QUESTION 4:

How many traffic classes are supported on the ERX Edge Router?

A. 1B. 2C. 4D. 8

Answer: D JN0-130

QUESTION 5:

What are the three OSPF authentication methods supported on the ERX EdgeRouter? (Choose Three)

A. null passwordB. simple passwordC. message digest 5D. password Authentication ProtocolE. Challenge Handshake Authentication Protocol

Answer: A,B,C

QUESTION 6:

What type of router cannot within a stub area?

A. ABRB. ASBRC. Internal routerD. Non-backbone router

Answer: B

QUESTION 7:

Which statement is true about the frequency of OSPF LSA transmissions?

A. They are configured per OSPF area.B. They are configured per virtual routerC. They are configured per OSPF processD. They are configured per OSPF interface

Answer: D

QUESTION 8:

If all OSPF routers on a broadcast network have the same OSPF priority, whatparameter is used to determine the new DBR at the time of a DR failure?

A. area IDB. router IDC. LOOPBACK ADDRESSD. IP address of interface on broadcast network

Original Resource :

Visit JN0-130 Link : JN0-130 Download PDF Link : JN0-130



access point vs router

sâmbătă, 28 aprilie 2012

Cisco 351-001 Free Dumps - Education - Study Techniques

CCIE Routing & Switching v4.0 Written Exam Topics (Beta) 351-001 Test

Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

Question: 1Lafayette Productions is looking for a new ISP that has improved availability, load balancing, andcatastrophe protection. Which type of ISP connectivity solution would be best?

A. Single runB. Multi-homedC. Stub domain EBGPD. Direct BGP peering

Answer: B

Question: 2Net Flow provides valuable information about network users and applications, peak usage times,and traffic routing. Which function is of Net Flow?

A. Monitor configuration changesB. Monitor CPU utilizationC. Monitor link utilizationD. Generate traps for failure conditions

Answer: C

Question: 3The P4S company is deploying OSPF on a point-to-multipoint Frame Relay network. The remotesites needn??t to communicate with each other and there are a relatively small number of sites(scaling is not a concern). How to configure OSPF for this topology in order to minimize theadditional routing information injected into the network and keep the configuration size andcomplexity to a minimum?

A. Configure the link as OSPF no broadcast and manually configure each of the remote sites as a neighbor.B. Configure the link as OSPF broadcast and configure the hub router to always be the designated router.C. Configure the link as OSPF broadcast and configure a mesh group towards the remote routers.D. Configure the link at the hub router as OSPF point-to-multipoint and at the remote routers asOSPF point-to-point.

Answer: B

Question: 4What is high availability?

A. Redundant infrastructureB. Clustering of computer systemsC. Reduced MTBFD. Continuous operation of computing systems

Answer: D

Question: 5What is the way that an OSPF ABR uses to prevent summary route information frombeingreadvertised from an area into the network core (Area 0)?

A. It advertises only inter-area summaries to the backbone.

Page 1 of 84Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

B. It uses poison reverse and split horizon.C. It only sends locally originated summaries to the backbone.D. It compares the area number on the summary LSA to the local area.

Answer: C

Question: 6Connecting an IS-IS router to four links and redistributing 75 routes from RIP. How many LSPswill be originated by this router?

A. One LSP: containing the router information, internal routes, and external routesB. Six LSPs: one for each link, one containing router information, and one containing external routing informationC. Two LSPs: one containing router information and internal routes and one containing external routesD. Three LSPs: one containing all links, one containing router information, and one containing external routing information

Answer: A

Question: 7According to the network in this exhibit, traffic directed towards 10.1.5.1 arrives at P4S-R4. Whichpath will the traffic take from here?

A. It will take P4S-R2.B. It will not take any path. P4S-R4 will drop the traffic.C. It will take P4S-R3.D. It will load share between P4S-R2 and P4S-R3.

Answer: A

Question: 8You are the Cisco Network Designer in P4S. Which two characteristics are most typical of aSAN? (Choose two.)

A. NICs are used for network connectivity.B. Servers request specific blocks of data.C. Storage devices are directly connected to servers.D. A fabric is used as the hardware for connecting servers to storage devices.

Answer: B, D

Question: 9The IGP next-hop reach ability for a BGP route is lost but a default route is available. Assumingthat BGP connectivity is maintained, what will happen to the BGP route?

A. It will be put in a hold-down state by BGP until the next hop has been updated.B. It will be removed from the BGP table.C. It will be considered a valid route.D. It will be considered invalid for traffic forwarding.

Answer: C

Question: 10

Page 2 of 84Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

In the network presented in the following exhibit, all routers are configured to perform EIGRP onall interfaces. All interface bandwidths are set to 1000, and the delays are configured asdisplayed. In the topology table at Router P4S-RC, you see only one path towards 10.1.1.0/24.Why Router P4S-RC only has one path in its topology table?

A. Router P4S-RB is not advertising 10.1.1.0/24 to Router P4S-RC due to split horizon.B. Router P4S-RD is not advertising 10.1.1.0/24 to Router P4S-RC because Router P4S-RC is its feasible successor.C. Router P4S-RD is not advertising 10.1.1.0/24 to Router P4S-RC due to split horizon.D. Router P4S-RB is not advertising 10.1.1.0/24 to Router P4S-RC because Router P4S-RC is its feasible successor.

Answer: C

Question: 11How many broadcast segments are contained in this network according to the exhibit?

Page 3 of 84Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

A. 1B. 2C. 4D. 5

Answer: B

Question: 12Which VPN management feature would be considered to ensure that the network had the leastdisruption of service when making topology changes?

A. Dynamic reconfigurationB. Path MTU discoveryC. Auto setupD. Remote management

Answer: A

Question: 13What information can you get from TCP flags while assessing an attack?

A. Source of the attackB. Type of attackC. Target of the attackD. Priority of the attack traffic

Answer: B

Question: 14Which two steps can be taken by the sinkhole technique? (Choose two.)

A. Reverse the direction of an attackB. Redirect an attack away from its targetC. Monitor attack noise, scans, and other activity

Page 4 of 84

Original Resource :

Visit 351-001 Link : 351-001 Download PDF Link : 351-001



access point vs router

Cisco 351-001 Actual Exam - Education - Study Techniques

CCIE Routing & Switching v4.0 Written Exam Topics (Beta) 351-001 Test

Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

Question: 1Lafayette Productions is looking for a new ISP that has improved availability, load balancing, andcatastrophe protection. Which type of ISP connectivity solution would be best?

A. Single runB. Multi-homedC. Stub domain EBGPD. Direct BGP peering

Answer: B

Question: 2Net Flow provides valuable information about network users and applications, peak usage times,and traffic routing. Which function is of Net Flow?

A. Monitor configuration changesB. Monitor CPU utilizationC. Monitor link utilizationD. Generate traps for failure conditions

Answer: C

Question: 3The P4S company is deploying OSPF on a point-to-multipoint Frame Relay network. The remotesites needn??t to communicate with each other and there are a relatively small number of sites(scaling is not a concern). How to configure OSPF for this topology in order to minimize theadditional routing information injected into the network and keep the configuration size andcomplexity to a minimum?

A. Configure the link as OSPF no broadcast and manually configure each of the remote sites as a neighbor.B. Configure the link as OSPF broadcast and configure the hub router to always be the designated router.C. Configure the link as OSPF broadcast and configure a mesh group towards the remote routers.D. Configure the link at the hub router as OSPF point-to-multipoint and at the remote routers asOSPF point-to-point.

Answer: B

Question: 4What is high availability?

A. Redundant infrastructureB. Clustering of computer systemsC. Reduced MTBFD. Continuous operation of computing systems

Answer: D

Question: 5What is the way that an OSPF ABR uses to prevent summary route information frombeingreadvertised from an area into the network core (Area 0)?

A. It advertises only inter-area summaries to the backbone.

Page 1 of 84Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

B. It uses poison reverse and split horizon.C. It only sends locally originated summaries to the backbone.D. It compares the area number on the summary LSA to the local area.

Answer: C

Question: 6Connecting an IS-IS router to four links and redistributing 75 routes from RIP. How many LSPswill be originated by this router?

A. One LSP: containing the router information, internal routes, and external routesB. Six LSPs: one for each link, one containing router information, and one containing external routing informationC. Two LSPs: one containing router information and internal routes and one containing external routesD. Three LSPs: one containing all links, one containing router information, and one containing external routing information

Answer: A

Question: 7According to the network in this exhibit, traffic directed towards 10.1.5.1 arrives at P4S-R4. Whichpath will the traffic take from here?

A. It will take P4S-R2.B. It will not take any path. P4S-R4 will drop the traffic.C. It will take P4S-R3.D. It will load share between P4S-R2 and P4S-R3.

Answer: A

Question: 8You are the Cisco Network Designer in P4S. Which two characteristics are most typical of aSAN? (Choose two.)

A. NICs are used for network connectivity.B. Servers request specific blocks of data.C. Storage devices are directly connected to servers.D. A fabric is used as the hardware for connecting servers to storage devices.

Answer: B, D

Question: 9The IGP next-hop reach ability for a BGP route is lost but a default route is available. Assumingthat BGP connectivity is maintained, what will happen to the BGP route?

A. It will be put in a hold-down state by BGP until the next hop has been updated.B. It will be removed from the BGP table.C. It will be considered a valid route.D. It will be considered invalid for traffic forwarding.

Answer: C

Question: 10

Page 2 of 84Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

In the network presented in the following exhibit, all routers are configured to perform EIGRP onall interfaces. All interface bandwidths are set to 1000, and the delays are configured asdisplayed. In the topology table at Router P4S-RC, you see only one path towards 10.1.1.0/24.Why Router P4S-RC only has one path in its topology table?

A. Router P4S-RB is not advertising 10.1.1.0/24 to Router P4S-RC due to split horizon.B. Router P4S-RD is not advertising 10.1.1.0/24 to Router P4S-RC because Router P4S-RC is its feasible successor.C. Router P4S-RD is not advertising 10.1.1.0/24 to Router P4S-RC due to split horizon.D. Router P4S-RB is not advertising 10.1.1.0/24 to Router P4S-RC because Router P4S-RC is its feasible successor.

Answer: C

Question: 11How many broadcast segments are contained in this network according to the exhibit?

Page 3 of 84Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

A. 1B. 2C. 4D. 5

Answer: B

Question: 12Which VPN management feature would be considered to ensure that the network had the leastdisruption of service when making topology changes?

A. Dynamic reconfigurationB. Path MTU discoveryC. Auto setupD. Remote management

Answer: A

Question: 13What information can you get from TCP flags while assessing an attack?

A. Source of the attackB. Type of attackC. Target of the attackD. Priority of the attack traffic

Answer: B

Question: 14Which two steps can be taken by the sinkhole technique? (Choose two.)

A. Reverse the direction of an attackB. Redirect an attack away from its targetC. Monitor attack noise, scans, and other activity

Page 4 of 84

Original Resource :

Visit 351-001 Link : 351-001 Download PDF Link : 351-001



access point vs router

Cisco 351-001 Free Book - Computers - Certification

CCIE Routing & Switching v4.0 Written Exam Topics (Beta) 351-001 Test

Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

Question: 1Lafayette Productions is looking for a new ISP that has improved availability, load balancing, andcatastrophe protection. Which type of ISP connectivity solution would be best?

A. Single runB. Multi-homedC. Stub domain EBGPD. Direct BGP peering

Answer: B

Question: 2Net Flow provides valuable information about network users and applications, peak usage times,and traffic routing. Which function is of Net Flow?

A. Monitor configuration changesB. Monitor CPU utilizationC. Monitor link utilizationD. Generate traps for failure conditions

Answer: C

Question: 3The P4S company is deploying OSPF on a point-to-multipoint Frame Relay network. The remotesites needn??t to communicate with each other and there are a relatively small number of sites(scaling is not a concern). How to configure OSPF for this topology in order to minimize theadditional routing information injected into the network and keep the configuration size andcomplexity to a minimum?

A. Configure the link as OSPF no broadcast and manually configure each of the remote sites as a neighbor.B. Configure the link as OSPF broadcast and configure the hub router to always be the designated router.C. Configure the link as OSPF broadcast and configure a mesh group towards the remote routers.D. Configure the link at the hub router as OSPF point-to-multipoint and at the remote routers asOSPF point-to-point.

Answer: B

Question: 4What is high availability?

A. Redundant infrastructureB. Clustering of computer systemsC. Reduced MTBFD. Continuous operation of computing systems

Answer: D

Question: 5What is the way that an OSPF ABR uses to prevent summary route information frombeingreadvertised from an area into the network core (Area 0)?

A. It advertises only inter-area summaries to the backbone.

Page 1 of 84Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

B. It uses poison reverse and split horizon.C. It only sends locally originated summaries to the backbone.D. It compares the area number on the summary LSA to the local area.

Answer: C

Question: 6Connecting an IS-IS router to four links and redistributing 75 routes from RIP. How many LSPswill be originated by this router?

A. One LSP: containing the router information, internal routes, and external routesB. Six LSPs: one for each link, one containing router information, and one containing external routing informationC. Two LSPs: one containing router information and internal routes and one containing external routesD. Three LSPs: one containing all links, one containing router information, and one containing external routing information

Answer: A

Question: 7According to the network in this exhibit, traffic directed towards 10.1.5.1 arrives at P4S-R4. Whichpath will the traffic take from here?

A. It will take P4S-R2.B. It will not take any path. P4S-R4 will drop the traffic.C. It will take P4S-R3.D. It will load share between P4S-R2 and P4S-R3.

Answer: A

Question: 8You are the Cisco Network Designer in P4S. Which two characteristics are most typical of aSAN? (Choose two.)

A. NICs are used for network connectivity.B. Servers request specific blocks of data.C. Storage devices are directly connected to servers.D. A fabric is used as the hardware for connecting servers to storage devices.

Answer: B, D

Question: 9The IGP next-hop reach ability for a BGP route is lost but a default route is available. Assumingthat BGP connectivity is maintained, what will happen to the BGP route?

A. It will be put in a hold-down state by BGP until the next hop has been updated.B. It will be removed from the BGP table.C. It will be considered a valid route.D. It will be considered invalid for traffic forwarding.

Answer: C

Question: 10

Page 2 of 84Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

In the network presented in the following exhibit, all routers are configured to perform EIGRP onall interfaces. All interface bandwidths are set to 1000, and the delays are configured asdisplayed. In the topology table at Router P4S-RC, you see only one path towards 10.1.1.0/24.Why Router P4S-RC only has one path in its topology table?

A. Router P4S-RB is not advertising 10.1.1.0/24 to Router P4S-RC due to split horizon.B. Router P4S-RD is not advertising 10.1.1.0/24 to Router P4S-RC because Router P4S-RC is its feasible successor.C. Router P4S-RD is not advertising 10.1.1.0/24 to Router P4S-RC due to split horizon.D. Router P4S-RB is not advertising 10.1.1.0/24 to Router P4S-RC because Router P4S-RC is its feasible successor.

Answer: C

Question: 11How many broadcast segments are contained in this network according to the exhibit?

Page 3 of 84Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

A. 1B. 2C. 4D. 5

Answer: B

Question: 12Which VPN management feature would be considered to ensure that the network had the leastdisruption of service when making topology changes?

A. Dynamic reconfigurationB. Path MTU discoveryC. Auto setupD. Remote management

Answer: A

Question: 13What information can you get from TCP flags while assessing an attack?

A. Source of the attackB. Type of attackC. Target of the attackD. Priority of the attack traffic

Answer: B

Question: 14Which two steps can be taken by the sinkhole technique? (Choose two.)

A. Reverse the direction of an attackB. Redirect an attack away from its targetC. Monitor attack noise, scans, and other activity

Page 4 of 84

Original Resource :

Visit 351-001 Link : 351-001 Download PDF Link : 351-001



access point vs router

Cisco 351-001 Test Download - Education - Special Education

CCIE Routing & Switching v4.0 Written Exam Topics (Beta) 351-001 Test

Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

Question: 1Lafayette Productions is looking for a new ISP that has improved availability, load balancing, andcatastrophe protection. Which type of ISP connectivity solution would be best?

A. Single runB. Multi-homedC. Stub domain EBGPD. Direct BGP peering

Answer: B

Question: 2Net Flow provides valuable information about network users and applications, peak usage times,and traffic routing. Which function is of Net Flow?

A. Monitor configuration changesB. Monitor CPU utilizationC. Monitor link utilizationD. Generate traps for failure conditions

Answer: C

Question: 3The P4S company is deploying OSPF on a point-to-multipoint Frame Relay network. The remotesites needn??t to communicate with each other and there are a relatively small number of sites(scaling is not a concern). How to configure OSPF for this topology in order to minimize theadditional routing information injected into the network and keep the configuration size andcomplexity to a minimum?

A. Configure the link as OSPF no broadcast and manually configure each of the remote sites as a neighbor.B. Configure the link as OSPF broadcast and configure the hub router to always be the designated router.C. Configure the link as OSPF broadcast and configure a mesh group towards the remote routers.D. Configure the link at the hub router as OSPF point-to-multipoint and at the remote routers asOSPF point-to-point.

Answer: B

Question: 4What is high availability?

A. Redundant infrastructureB. Clustering of computer systemsC. Reduced MTBFD. Continuous operation of computing systems

Answer: D

Question: 5What is the way that an OSPF ABR uses to prevent summary route information frombeingreadvertised from an area into the network core (Area 0)?

A. It advertises only inter-area summaries to the backbone.

Page 1 of 84Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

B. It uses poison reverse and split horizon.C. It only sends locally originated summaries to the backbone.D. It compares the area number on the summary LSA to the local area.

Answer: C

Question: 6Connecting an IS-IS router to four links and redistributing 75 routes from RIP. How many LSPswill be originated by this router?

A. One LSP: containing the router information, internal routes, and external routesB. Six LSPs: one for each link, one containing router information, and one containing external routing informationC. Two LSPs: one containing router information and internal routes and one containing external routesD. Three LSPs: one containing all links, one containing router information, and one containing external routing information

Answer: A

Question: 7According to the network in this exhibit, traffic directed towards 10.1.5.1 arrives at P4S-R4. Whichpath will the traffic take from here?

A. It will take P4S-R2.B. It will not take any path. P4S-R4 will drop the traffic.C. It will take P4S-R3.D. It will load share between P4S-R2 and P4S-R3.

Answer: A

Question: 8You are the Cisco Network Designer in P4S. Which two characteristics are most typical of aSAN? (Choose two.)

A. NICs are used for network connectivity.B. Servers request specific blocks of data.C. Storage devices are directly connected to servers.D. A fabric is used as the hardware for connecting servers to storage devices.

Answer: B, D

Question: 9The IGP next-hop reach ability for a BGP route is lost but a default route is available. Assumingthat BGP connectivity is maintained, what will happen to the BGP route?

A. It will be put in a hold-down state by BGP until the next hop has been updated.B. It will be removed from the BGP table.C. It will be considered a valid route.D. It will be considered invalid for traffic forwarding.

Answer: C

Question: 10

Page 2 of 84Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

In the network presented in the following exhibit, all routers are configured to perform EIGRP onall interfaces. All interface bandwidths are set to 1000, and the delays are configured asdisplayed. In the topology table at Router P4S-RC, you see only one path towards 10.1.1.0/24.Why Router P4S-RC only has one path in its topology table?

A. Router P4S-RB is not advertising 10.1.1.0/24 to Router P4S-RC due to split horizon.B. Router P4S-RD is not advertising 10.1.1.0/24 to Router P4S-RC because Router P4S-RC is its feasible successor.C. Router P4S-RD is not advertising 10.1.1.0/24 to Router P4S-RC due to split horizon.D. Router P4S-RB is not advertising 10.1.1.0/24 to Router P4S-RC because Router P4S-RC is its feasible successor.

Answer: C

Question: 11How many broadcast segments are contained in this network according to the exhibit?

Page 3 of 84Exam Name: CCIE Routing & Switching v4.0 Written Exam Topics (Beta)Exam Type: CiscoExam Code: 351-001 Total Question 238

A. 1B. 2C. 4D. 5

Answer: B

Question: 12Which VPN management feature would be considered to ensure that the network had the leastdisruption of service when making topology changes?

A. Dynamic reconfigurationB. Path MTU discoveryC. Auto setupD. Remote management

Answer: A

Question: 13What information can you get from TCP flags while assessing an attack?

A. Source of the attackB. Type of attackC. Target of the attackD. Priority of the attack traffic

Answer: B

Question: 14Which two steps can be taken by the sinkhole technique? (Choose two.)

A. Reverse the direction of an attackB. Redirect an attack away from its targetC. Monitor attack noise, scans, and other activity

Page 4 of 84

Original Resource :

Visit 351-001 Link : 351-001 Download PDF Link : 351-001



access point vs router

Comment utiliser Skype sur votre iPod touch avec 3g routeur? - Technology - Electronics

As cute version of the iPhone, iPod touch offers the lightweight design and slim, it also offers wireless capability Wi-Fi and runs on Apple's Safari browser, it has been regarded as "the funniest iPod ". Of course, in addition to basic functions, we can also use your iPod touch to make calls with Skype, because it works like the iPhone Safari browser, which allows us to run AJAX applications on its Wi-Fi inserted therefore, we can use the VoIP application, it is clear to use Skype on the iPod touch. But have you thought about the situation of using a 3G router with Skype on it, which means that you can use Skype on the go.We have already known that the mobile Wi-Fi and the iPod Touch could be almost equal to the iPhone, this means that we can use a 3G router to create an access point Wi-Fi and connect with the Internet, that is amazing, now we will know more surprises. I learned of an article, I think it's so useful that we can share together. We just need an iPod touch w ith Skype, and a 3G router to be carried around in the street, in the car, etc. on the road.In this article, a friend said he used an iPod touch with Skype and a 3G router instead of home phone and mobile phone, which has significantly reduced roaming charges, he bought two phone numbers virtual and mapped to the Skype ID used on the iPod touch, so that it can receive all calls directly, and the method was very simple: put the 3G router that looks up the Wi-Fi for iPod, at the same time, he could connect up to five Wi-Fi devices like the iPod Touch, iPad, Macbook, PSP, etc; the USB cable could support him to connect with the computer or use as a power source, in addition, it just needs to pay for HSPA access with no contract on a monthly basis.From the history above, we can see that we could realize the potential of electronic products, not only the iPod , but iPad, Macbook and iMac could be used as phones with Skype, of course, the 3G routeur useful is an essential part, if the 3G router provides download speed faster, it will be useful, the speed of 21Mbps with HSDPA 3G Router ZTE MF60 will be appreciated by modern people.We can install the appropriate Skype which is specially designed for the iPod , and put a 3G mobile router in your pocket, you can make calls with Skype everywhere.



access point vs router

vineri, 27 aprilie 2012

Comment utiliser Skype sur votre iPod touch avec 3g routeur? - Technology - Electronics

As cute version of the iPhone, iPod touch offers the lightweight design and slim, it also offers wireless capability Wi-Fi and runs on Apple's Safari browser, it has been regarded as "the funniest iPod ". Of course, in addition to basic functions, we can also use your iPod touch to make calls with Skype, because it works like the iPhone Safari browser, which allows us to run AJAX applications on its Wi-Fi inserted therefore, we can use the VoIP application, it is clear to use Skype on the iPod touch. But have you thought about the situation of using a 3G router with Skype on it, which means that you can use Skype on the go.We have already known that the mobile Wi-Fi and the iPod Touch could be almost equal to the iPhone, this means that we can use a 3G router to create an access point Wi-Fi and connect with the Internet, that is amazing, now we will know more surprises. I learned of an article, I think it's so useful that we can share together. We just need an iPod touch w ith Skype, and a 3G router to be carried around in the street, in the car, etc. on the road.In this article, a friend said he used an iPod touch with Skype and a 3G router instead of home phone and mobile phone, which has significantly reduced roaming charges, he bought two phone numbers virtual and mapped to the Skype ID used on the iPod touch, so that it can receive all calls directly, and the method was very simple: put the 3G router that looks up the Wi-Fi for iPod, at the same time, he could connect up to five Wi-Fi devices like the iPod Touch, iPad, Macbook, PSP, etc; the USB cable could support him to connect with the computer or use as a power source, in addition, it just needs to pay for HSPA access with no contract on a monthly basis.From the history above, we can see that we could realize the potential of electronic products, not only the iPod , but iPad, Macbook and iMac could be used as phones with Skype, of course, the 3G routeur useful is an essential part, if the 3G router provides download speed faster, it will be useful, the speed of 21Mbps with HSDPA 3G Router ZTE MF60 will be appreciated by modern people.We can install the appropriate Skype which is specially designed for the iPod , and put a 3G mobile router in your pocket, you can make calls with Skype everywhere.



access point vs router

Google service convenience brought security hidden danger - Business

This article will express is about the author in the use of the system with two asus Eee Pad login Google service process found some questions. These problems can let us to this new product produce some new feelings and views.

When the author attempts to use Google account login, but found no connection to the web. The author's first reaction is to be linked to the public the wireless network, but found department just changed office area, and forget the new WPA2 password. Then, the author opened his Virgin Mobile Mi-Fi 2200 personal access equipment. Then the author in the Eee Pad for hot list, but to the surprise of the author, Eee Pad have found the Virgin hot spots, and has successfully access. The author has chosen just now is hot and enter the code? The answer must be wrong.

The authors of the study show the author noticed more problems, Eee Pad can not only be found and connection of the Virgin Hotspot hot spots, and even the authors of the other lists commonly used hot name, including the author in camping sites (45 minutes drive from distance office) the use of WiFi Hotspot, are found in the Eee Pad hot list. This phenomenon is the only explanation, Google not only stores we once visited the hot spot of the name, will also access password also were stored.

In addition to the obvious about personal privacy issues outside, still a potential problems. Some may think of, if you use the andros application, and also used Google services, then you may be not the knowledge of the state of the accepted andros system hidden function. But we actually use, many WiFi hotspot and we did not build, among them were some when use may need additional special conditions, so we are not generally will WiFi access point password told the third party. This is a very easy to understand is also widespread security strategy, but like Google to not pay any attention.

According to understand, for most andros system users, not quite clear how to ban andros operating system will WiFi access point name and password sent to the Google server to back up, and in the user use any other system based on the equipment and two login Google account to be automatic synchronous these data. If it is really so, then Google to the way users have only two: either don't use login encrypted andros equipment wireless network, or in violation of the agreement of the encrypted network, will share with Google password. And for those who wireless access points for managers, the most direct reaction may be banned those who adopt the equipment access network andros system. Such as the company USES is with a password protection of the wireless network, if any staff use andros equipment can send your password to the wireless networks will Google, it is the company network managers situation that is not acceptable. If want to make refused to login strategy, and so o n is not limited to the external personnel, but most of the company include his staff.

Recently on some blog we can see, many Internet users think that future life is built on Facebook, Google and Apple company developed under the various rules, and that will only make originally in Microsoft empire period the darkest days look also appears kind and not so dark, because such as Facebook, Google and other companies in the treat individual privacy exposed more than Microsoft more serious problem. We think these fears are valid, and the concern if not solved, there will be serious security problems. Just think, if has the unlawful molecules through the equipment to be automatic access the andros we the company network, and the damage is immeasurable. From this problem can also see that Google's engineers and programmers and project director in processing enterprise sensitive information and the protection of data privacy lack of basic cognition. In fairness, if can choose only one data don't be harvested, backup or in different between equipment synchronous, th at this kind of data should be password. For this, we have to wonder, Google also collected exactly what type of data, to help us better experience Google services "value-added".

Because, this is Google's a "function", and this function really is very convenient, especially for those who don't know the protection of privacy or are willing to sacrifice part of privacy for the convenience of the customer is higher. And this is what we worry about the most. But many users do not know the convenience brought about by the potential risk.

For Google's this way everybody should be how to treat? This is a careless up like that? Google will really heartfelt consider for the customer? Are we too indulgence Google's behavior, or Google themselves across the our bottom line? If readers found that is not like this article that said in the article comments can also give your opinion.

Although, at present, we have found the problem only appear in the purchase the asus Eee Pad Transformer, and in other before andros equipment, still did not pay attention to this problem. Therefore, we can also suspected that this was the Honeycomb zhuo the new functions of the system is the result of.



access point vs router

Getting to grips with Wireless networking - Technology - Electronics

Wireless networking is a great and convenient way to connect your computer and other electronic devices to the internet. However, many people are still confused as to what it is and how it works. Here are the basics to help you get started.

What is Wireless Networking?

Almost all computers now make use of networkswebs of connection to other computers. This can mean a few computers around the house, or the billions around the world connected to the internet. Traditionally, all computers had to be connected physically by a cable in order to be in a network. With the development of wireless networking, however, computers are now able to communicate using electromagnetic waves.

How does Wireless Networking Work?

There are many kinds of wireless networks that work in various ways. To keep it simple, however, well just stick to the basics. Since networking is most commonly done with the internet, well use that example. The internet is brought into homes and other locations through physical wires: phone lines, television cables, and others. At this point, the connection needs to be converted to the wireless signal waves.

This is done with what is known as a wireless router. Routers are hubs that connect several computers together, and often link them to the internet. In order to establish a wireless network, the wireless router is directly connected to the physical link to the internet. Once it is set up, it begins transmitting to wireless-enabled devices within its ranges and receives information back from then.

Why go Wireless?

The main reason wireless is useful is the convenience generated by the mobility it allows. Before, people were chained to the wires connecting them to their networks. Once, that wasnt a problem because most computers were so big they couldnt be moved around anyway, and other wireless devices like phones werent advanced enough. However, with the development of laptops, tablet computers, and similar mobile devices, networking by physical connection became an extreme burden. Wireless networks erase this problem; the best wireless router can provide a connection out to nearly a kilometre. Someone with wireless in their home can take a laptop from the kitchen table their front yard to their bed and still be connected wherever they go.

Further, wireless networks erase the mess created by having cables running everywhere to keep all your electronics connected. Many devices, including digital cameras and printers, are now capable of automatically connecting to networks just like laptops. A good example of this is the canon wireless printer, which lets you send files directly from a computer or camera to be printed without having to connect the two.



access point vs router

Wnhdb3004 Wireless Home Theater Adapter Kit - Is It Ideal Solution - Computers - Networks

Home theater today is different than many years ago. Mostly new home theater devices including Blu-Ray player, Xbox console, internet HDTV etc are designed to be able to connect to your home computer network and the internet. They are designed with built-in Ethernet port for wired connection to the network. But most of us do mind with the clutter of the wires within the house. Therefore, the wireless home theater is the solution for eliminating the clutter of the wires within the house. With multiple home entertainment devices you have including the Blu-Ray DVD players, XBOX gaming console, Apple-TV or Roku, etc which are equipped with Ethernet-port ready, you can connect them to your existing network and the internet. Connections can be done using wired connection or wireless connection. You can use the network cable for wired connection to the network. But if you do mind with the hassle of running the network cable, consider of using the WNHDB3004 wireless home theater b y NETGEAR. What this Product Does

As the wireless device, the WNHD3004 wireless home theater adapter is powered by the latest industrial wireless 802.11A/N technology. The wireless is designed to work with 5GHz frequency band a clean frequency band with less interference than the 2.4GHz band delivering the high speeds of up to 300Mbps. This is an ideal solution for streaming High Definition (HD) media within the house smoothly.

You can install one WNHD3004 adapter as the wireless access point and connected to your exiting router, and the other WNHD3004 adapter is configured as the Bridge and connected to your Ethernet-based devices (up to four devices).

Configuration is easy; you can change the operation mode by changing the position of Switch mode. There are three available modes of operation: Auto, AP, and Bridge. The factory default setting is the Auto mode in which the adapter senses and sets the mode automatically. In Auto mode, the adapter works in AP mode when connects to the router /gateway device. When the adapter is connected to any Ethernet-based devices, the adapter operates in Bridge mode.

To change the mode manually, you can change the mode switch depends on what mode you require the adapter to work in. If you connect the adapter to the router or gateway, change the mode by sliding the switch to the AP mode position. If you connect the adapter to the Ethernet- based devices, change the switch to the Bridge mode.

In bridge mode, you can connect up to four Ethernet-ready devices (including Blu-Ray player, Game console, HDTV etc) to the 4-port Ethernet of your WNHD3004 wireless home theater. Unlike other wireless bridge devices with only one Ethernet port, this adapter is embedded with four Ethernet ports.

With your existing wired computer network with the router or gateway for internet connection either DSL or Cable, connect the WNHD3004 adapter to the router and configure as the Access Point mode. At the other end where your home theater devices located install the other adapter and configure it as the Bridge mode. Your home theater is ready for internet connection wirelessly eliminating the clutter of the wires.

One thing that you need to know is that the adapter that operates in Bridge mode can only connect to the WNHD3004 in Access Point mode. It means you cannot buy a single WNHD3004 device and configure it as the Bridge mode to connect the Ethernet-ready devices to the wireless network unless you have another WNHD3004 device which is configured in AP mode. It must be in a pair to work in Bridge mode. Basically the adapter is sold in a pair. What if one of the adapters fails? Can you buy a single device for replacement? Its a different story if the devices are still in the warranty period. In your existing WLAN, do you need WNHDB3004?

If you have already had a high performance wireless network around powered by the wireless N dual-band based router such as E-3000 Linksys or WNDR37AV, deploying the WNHD3004 is costly. With multiple home theater devices (with Ethernet-port ready), wireless media bridge device such as WLI-TX4-AG300N by Buffalo is appropriate solution. The Buffalo WLI-TX4-AG300N is embedded with four Ethernet ports with dual-band technology delivering the speed up to 300Mbps ideal solution for your wireless home theater. But for superior Wi-Fi range and reliability, WNHD3004 with its Sheet3dhd Wireless is ideal solution for streaming HD and 3DHD 1080p Videos. By Ki Grinsing



access point vs router

joi, 26 aprilie 2012

Getting to grips with Wireless networking - Technology - Electronics

Wireless networking is a great and convenient way to connect your computer and other electronic devices to the internet. However, many people are still confused as to what it is and how it works. Here are the basics to help you get started.

What is Wireless Networking?

Almost all computers now make use of networkswebs of connection to other computers. This can mean a few computers around the house, or the billions around the world connected to the internet. Traditionally, all computers had to be connected physically by a cable in order to be in a network. With the development of wireless networking, however, computers are now able to communicate using electromagnetic waves.

How does Wireless Networking Work?

There are many kinds of wireless networks that work in various ways. To keep it simple, however, well just stick to the basics. Since networking is most commonly done with the internet, well use that example. The internet is brought into homes and other locations through physical wires: phone lines, television cables, and others. At this point, the connection needs to be converted to the wireless signal waves.

This is done with what is known as a wireless router. Routers are hubs that connect several computers together, and often link them to the internet. In order to establish a wireless network, the wireless router is directly connected to the physical link to the internet. Once it is set up, it begins transmitting to wireless-enabled devices within its ranges and receives information back from then.

Why go Wireless?

The main reason wireless is useful is the convenience generated by the mobility it allows. Before, people were chained to the wires connecting them to their networks. Once, that wasnt a problem because most computers were so big they couldnt be moved around anyway, and other wireless devices like phones werent advanced enough. However, with the development of laptops, tablet computers, and similar mobile devices, networking by physical connection became an extreme burden. Wireless networks erase this problem; the best wireless router can provide a connection out to nearly a kilometre. Someone with wireless in their home can take a laptop from the kitchen table their front yard to their bed and still be connected wherever they go.

Further, wireless networks erase the mess created by having cables running everywhere to keep all your electronics connected. Many devices, including digital cameras and printers, are now capable of automatically connecting to networks just like laptops. A good example of this is the canon wireless printer, which lets you send files directly from a computer or camera to be printed without having to connect the two.



access point vs router

Wnhdb3004 Wireless Home Theater Adapter Kit - Is It Ideal Solution - Computers - Networks

Home theater today is different than many years ago. Mostly new home theater devices including Blu-Ray player, Xbox console, internet HDTV etc are designed to be able to connect to your home computer network and the internet. They are designed with built-in Ethernet port for wired connection to the network. But most of us do mind with the clutter of the wires within the house. Therefore, the wireless home theater is the solution for eliminating the clutter of the wires within the house. With multiple home entertainment devices you have including the Blu-Ray DVD players, XBOX gaming console, Apple-TV or Roku, etc which are equipped with Ethernet-port ready, you can connect them to your existing network and the internet. Connections can be done using wired connection or wireless connection. You can use the network cable for wired connection to the network. But if you do mind with the hassle of running the network cable, consider of using the WNHDB3004 wireless home theater b y NETGEAR. What this Product Does

As the wireless device, the WNHD3004 wireless home theater adapter is powered by the latest industrial wireless 802.11A/N technology. The wireless is designed to work with 5GHz frequency band a clean frequency band with less interference than the 2.4GHz band delivering the high speeds of up to 300Mbps. This is an ideal solution for streaming High Definition (HD) media within the house smoothly.

You can install one WNHD3004 adapter as the wireless access point and connected to your exiting router, and the other WNHD3004 adapter is configured as the Bridge and connected to your Ethernet-based devices (up to four devices).

Configuration is easy; you can change the operation mode by changing the position of Switch mode. There are three available modes of operation: Auto, AP, and Bridge. The factory default setting is the Auto mode in which the adapter senses and sets the mode automatically. In Auto mode, the adapter works in AP mode when connects to the router /gateway device. When the adapter is connected to any Ethernet-based devices, the adapter operates in Bridge mode.

To change the mode manually, you can change the mode switch depends on what mode you require the adapter to work in. If you connect the adapter to the router or gateway, change the mode by sliding the switch to the AP mode position. If you connect the adapter to the Ethernet- based devices, change the switch to the Bridge mode.

In bridge mode, you can connect up to four Ethernet-ready devices (including Blu-Ray player, Game console, HDTV etc) to the 4-port Ethernet of your WNHD3004 wireless home theater. Unlike other wireless bridge devices with only one Ethernet port, this adapter is embedded with four Ethernet ports.

With your existing wired computer network with the router or gateway for internet connection either DSL or Cable, connect the WNHD3004 adapter to the router and configure as the Access Point mode. At the other end where your home theater devices located install the other adapter and configure it as the Bridge mode. Your home theater is ready for internet connection wirelessly eliminating the clutter of the wires.

One thing that you need to know is that the adapter that operates in Bridge mode can only connect to the WNHD3004 in Access Point mode. It means you cannot buy a single WNHD3004 device and configure it as the Bridge mode to connect the Ethernet-ready devices to the wireless network unless you have another WNHD3004 device which is configured in AP mode. It must be in a pair to work in Bridge mode. Basically the adapter is sold in a pair. What if one of the adapters fails? Can you buy a single device for replacement? Its a different story if the devices are still in the warranty period. In your existing WLAN, do you need WNHDB3004?

If you have already had a high performance wireless network around powered by the wireless N dual-band based router such as E-3000 Linksys or WNDR37AV, deploying the WNHD3004 is costly. With multiple home theater devices (with Ethernet-port ready), wireless media bridge device such as WLI-TX4-AG300N by Buffalo is appropriate solution. The Buffalo WLI-TX4-AG300N is embedded with four Ethernet ports with dual-band technology delivering the speed up to 300Mbps ideal solution for your wireless home theater. But for superior Wi-Fi range and reliability, WNHD3004 with its Sheet3dhd Wireless is ideal solution for streaming HD and 3DHD 1080p Videos. By Ki Grinsing



access point vs router

dwelling personal computers - Advertising

77. Your network consists of a server named Server1 that runs Windows Small Business Server (SBS) 2003 R2.Server1 is made use of to distribute updates towards the personal computers to the network. You approve all updates before they're dispersed.You have to confirm that every one approved security updates are set up on Server1.What should you do?A. Set up and operate the SBS Greatest Methods Analyzer.B. Operate the Security Configuration and Evaluation snap-in.C. In the command prompt, operate wuaclt.exe /detectnow.D. Open the Server Administration console. From the Update Solutions node, select Review Standing of Updates Installation.Solution: D

78. Your network contains a server named Server1 that runs Windows Little Organization Server (SBS) 2003 Common Edition. The server has two NTFS-formatted information volumes which are assigned generate letters D and E.Quantity D has 3 folders described within the following table.FolderNTFS permissionsD:DataUsers ??C ModifyAdministrators ??C Complete ControlD:DataGroup1filesGroup1 ??C Complete ManageDirectors ??C Full ControlD:DataArchiveGroup1 ??C ReadAdministrators ??C Full ControlYou share the D:Data folder as Datashare. You assign the Consumers group the Total Control reveal permission.Group1 members conserve task files in the Group1files folder. When a venture is full, an administrator moves the information for the Archive folder.You uncover that a few of the files within the Archive folder have been modified by members of Group1.You verify that none in the members of Group1 are members with the Administrators group.You have to reconfigure Server1 in order that member s of Group1 can not modify files as soon as they've been moved towards the Archive folder.What should really you do?A. Assign Group1 Read Permission for the \Server1Datashare share.B. Assign Group1 NTFS Modify permission towards the D:DataGroup1files folder.C. Assign the Customers group Change permission towards the \Server1DataShare share.D. Transfer the Archive folder to generate E. Reveal E:Archive as \Server1Archive. Assign Group1 Study Permission towards the Archive folder.Solution: D

79. You're the network administrator to get a corporation.The network consists of 1 server and 40 client personal computers. The server runs Windows Smaller Enterprise Server (SBS) 2003 R2 Top quality Version and Microsoft Internet Safety and Acceleration (ISA) Server 2004. All remote computer systems run Windows XP Services Pack 2 (SP2).The network is connected to the Web by making use of a non-Plug and Perform ADSL router that supports Network Deal with Translation (NAT).You install a customized software about the server. Clients hook up to the app by applying TCP port 53535. The appliance data is transmitted more than the network in crystal clear text.You have to configure the network to ensure that consumers can entry the customized application over the net. All app data sent more than the internet should be encrypted.What should you do?A. About the server, operate the Develop Remote Relationship Disk Wizard. Add the customers towards the Internet Consumers group. In t he router, forward port 139 for the server.B. Around the server, operate the Configure Remote Entry Wizard and allow VPN accessibility. Add the customers to the Cell Users group. For the router, ahead port 1723 to the server.C. About the server, create a custom made publishing rule that needs authentication. Include the consumers for the Remote Operators group. About the router, forward port 53535 towards the server.D. On the server, operate the Configure E-mail and Web Relationship Wizard (CEICW) and allow VPN accessibility. Include the users towards the Remote Web Office Consumers group. To the router, forward ports 4125 and 53535 to the server.Solution: B

80. You're the network expert for any corporation.The network contains 1 server. The server runs Windows Little Small business Server (SBS) 2003 Common Version.The network is linked towards the World-wide-web by utilizing an ADSL router that supports Network Handle Translation (NAT).It is advisable to present remote users secure entry to some SBS Windows SharePoint Services (WSS) Website from the web. It's essential to avoid remote users from accessing other inner resources.What should really you do?A. Over the server, operate the Remote Access Configuration Wizard and allow VPN accessibility. Within the router, ahead port 1723 towards the server.B. About the server, run the Connect to the Web wizard and enable Online accessibility to CompanyWeb. In the router, ahead port 444 for the server.Do. Around the server run the Connect to the Net wizard and allow World-wide-web entry to the WWW Root Web site. To the router, forward port 443 to the server.D. About the server, open up the WSS sites administration Web page. Over the Configure Connection to Portal Web-site webpage, specify the external title of the webpage. On the router, ahead port 80 to the server.Answer: B



access point vs router

miercuri, 25 aprilie 2012

Where To Sale Cell Phones

Where to sale cell phones can be researched online. With hot wireless newbies being released that hold tons of high tech features, old gadgets are abandoned and forgot about until next year's Spring cleaning. The device with the broken screen, or the device with the damaged battery have a home in the wireless world if purchase is desired. If the broken collection continues to build, a sparkling new piece of technology may not be too far fetched in the world of recycled electronics.

Most wireless retail shops offer the recycling option with store credit. This means used cellulars may be traded in exchange of fancy new ones. The store will value the old cellular at a discounted rate. The company then issues a refurbished or new device, and if the device is valued at a lower rate than the original price, the difference must be paid by the customer. The customer is satisfied because they received compensation for their junk, and the store finds a purposeful use for discarded items.

Many online wireless companies also will buy back the old device, and may give credit toward the purchase of a new one. There also are companies that recycle used electronics as well as used cellular devices. Online wireless company is an example of an online company that will purchase a used device. One manufacturer recently held a special holiday promotion for customers to turn in old devices for a spectacular new upgrade and additional service.

It is wise to research a variety of online companies and do a price comparison. New refurbished and used devices may occasionally be found at wholesale prices. At certain retail locations cash is paid for old used cellular devices. Another manufacturer issues refurbished phones as well as buying recycled device. One company was found to give up to 400 store credit towards the purchase of a new device.

As an alternative to throwing away old gadget, cellular companies offer store credit, buying it back. In return, a device is given, or upgrade is allowed. This works in the customer's favor by usefully discarding the old device without having to pay full price for a store-bought one. Wireless companies that offer to buy back devices offer a perfect solution to cellular worries.



access point vs router

marți, 24 aprilie 2012

Why Should You Choose Intelligent Wireless Clocks?

When your wristwatch says 1 p.m. but the digital clock on your kitchen counter blinks 1:07 p.m., you don't really bother to check which is correct. After all, you are basically using your wristwatch or the time on your mobile phone for your appointments, classes or meetings, so what if there's a 7-minute difference? Excuse me if your boss or school dean disagrees with you. Schools particularly rely on the correct time on their wireless clocks to make sure all the classes are synchronized and the bells don't ring late or prematurely. And yes, you will appreciate the extra seven minutes when you're taking that Algebra test.

But there's another evolution to wireless clocks being used in schools. These new generation and high IQ clocks (one perfect example would by SiteSync IQ Wireless by American Time and Signal) allows the school or corporation to synchronize all the gadgets without having to manually wind them every now and then.

Let's get back to SiteSync IQ Wireless as an example just to outline the benefits of using intelligent clocks in your building. The United States uses the NIST as its official time and SiteSync retrieves the signal from the phone transmission towers through the CDMA option to adjust the wireless clock in sync with the government time. The CDMA is also the easiest to install because it has no cables or any other wiring that connect the master clock to the "slave clocks."

Another option is through the global positioning system, tagging satellites to adjust and re-adjust the time. This includes a 12.5-foot cable which can be extended up to 100 feet. Then there's the GPS plus which an external equipment that is weather-proof and non-corrosive. One advantage of the GPS plus is you can extend the cable up to 1,500 feet.

And last, through the Ethernet connection with the standard 5- or 10-watt system via the simple network time protocol based on the local domain. Now, if you are on a budget you can purchase the wireless clocks on a piecemeal basis. There are options for instance where you can integrate a wireless clock system that you purchase with your existing setup.

As you can see, with these options, intelligent wireless clocks are virtually maintenance-free and school administrators can just sit back and focus on more important things in delivering quality education and help pupils pass the SAT. Pretty soon all the students and teachers will be adjusting their wristwatches, cell phones, iPods and organizers in sync with the school's time.



access point vs router

Mobile Voip, Hi Fi Speakers, Cordless Phone: The Future Is Wireless

The pace at which technology is progressing, you will soon find most of the gadgets being run without wires. Finally, there is will be a respite from the wires, if not completely, then to a considerable extent. And, this revolution is most widely evident in the communications industry. Whether it is the simple cordless phone or the remote control being used to operate the different electronic items, the wires are fast becoming a thing of the past. Within the telecom sector, the ushering of the mobile telecommunications has provided round the clock accessibility to the phones by the mobile users.

Another important development in the telecom sector has been the emergence of internet based telecommunication, also called the voice over internet protocol technology. This allows you to make calls to people anywhere in the world for very less charges. Since the calls are routed through the internet wires, skipping the routine lines, the charges for the calls are very nominal. The same software can be loaded in the computer and calls be made from it using a pair of headphones, or the instruments can be attached with the computer systems and the calls be received on these. The VOIP software can also be downloaded into your mobile phone set and the calls can be made from it using the internet connection provided by the service provider or the wi-fi connection of your wireless local area network (WLANs). Companies like Netgear focus exclusively on these networking platform development.

The benefit of the mobile VOIP telephony lies in the extent of its reach and flexibility of operation. With a VOIP mobile or cordless phone in your hand, you are not bound to any location and the same can be used to talk incessantly at very low rates with the people living in other countries. If the call receivers also use the same software, then the calling facility could even be free of cost, the only charges being the internet usage time. You can use the voice over internet protocol to set up the call forwarding, call diverting, sending of files from your computer and video conference with the people at the other end.

The revolution towards the wireless technology can also be visible in the entertainment appliances. The remote control of the TV and the video was one of the earliest and the most common wireless device that was used to operate the electronic gadgets. Nowadays, you also have the same remote used to operate a number of different devices which are themselves interconnected with blue tooth technology. You can also have the hi fimusic speakers as well as wireless headphones to listen to the music. With all these wireless gadgets you can reduce the clutter of the wire mesh that could be created by using so many electronic appliances. Further, these allow ease of operation and flexibility of usage of these devices as life is sought to be made more simpler.



access point vs router

luni, 23 aprilie 2012

The Advantages and Disadvantages of the Wireless vs. the Wired Microphone

Here are some tips to help you make a decision about which kind of performance microphone to use. There are many pros and cons to both types, wired and wireless. The wired kind have been around since the early nineteen hundreds. The wireless ones were first used in about 1949.

Simply because the wired version has been around longer, those will be explored first. Some people prefer using a hand held microphone that's directly connected into the sound system. They feel that it's more reliable and provides a stronger more solid signal than wireless ones. Wired mics don't need batteries (condensers do need phantom power, but that's another issue) so they are not dependent on battery life.

One of the main disadvantages of wired mics is that they restrict the performer's freedom of movement unless you have an exceptionally long-distance cable. And along with that lengthy cable comes the likelihood of it being mangled, as well as the motion of the artist continually putting stress on the wires and potentially causing other sonic problems. Also with a very lengthy cord there is a compromised signal, primarily in the higher frequencies. Some performers also think that wired microphones are prone to more feedback noise than the wireless ones. Of course that's directly related to the quality of the wireless system.

Wireless mics have been the preference of a large number of speakers, singers and other performers since arriving on the scene. They are considered superior by many for a wide variety of reasons. Specifically, you can move around as much as you desire, so for those who are on the more energetic side, they are greatly advantageous on that basis alone.

Of course, there's no pesky cable to worry about getting tangled or tripping over. With so many motivational speakers and trainers using a variety of projected visual software to enhance their presentation, this freedom of movement is highly preferable. When it comes to wild rockers/singers, they can obviously move and dance all over the stage with greater ease.

However, bandwidth often has a limited range, so the user needs to be conscious of those parameters or risk losing power. There is a chance of crossed signals from radio sources or other mics; this problem has been reduced by the creation of several switch-selectable channels that are synthesized to certain frequencies. Because of the liability of interference as well as the number of frequency channels available, the number of microphones used in a club or venue may be somewhat limited.

The higher priced wireless microphones will have increased range, so the risk of poor signal during a performance or speech is lessened. The body pack (power source) for the wireless transmitter can be clipped onto the belt of the performer, or in many instances to the instrument being amplified. For instance, it might be affixed to a guitar strap or in several cases, to the instrument itself, such as a sax or trumpet. Some vocal models have the transmitter as part of the body of the microphone for those singing or speaking.

Essentially, once all these factors are taken into consideration, it does amount to the user's preference and convenience. There are some folks who are still tried and true loyal users of the wired microphone, but for the past couple of decades the vast majority of performers are under the wireless tent. So the use of stage microphones wired or wireless boils down to the user's choice and available budget. As a rule superior wireless mics are rather expensive, however mics like the time tested Shure SM58 are available for about $100.00.



access point vs router