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Computer Networking

Computer networks are collections of computers which are connected together in order to communicate and transfer information. Questions about computer networks, networking protocols, and how to set them up belong here.

18,810 Questions

What will be the speed of wireless network if you have 80211b network card and 80211g access point?

b, the network will ALWAYS drop to the slowest device no matter if there are faster devices on it. n devices would slow down to g or b speeds also. The slower one can't go faster so the faster ones have no choice but to slow down. You can get around that problem if you were to get a Dual Band router and put the slower devices on a different band and then there wouldn't be a problem.

How do you get your stories from Comuter to Laptop?

I use a USB drive, that way you don't have to burn a CD and waste it for just one purpose.

What are the different type of networking and internetworking diveces?

Types of network :

Local Area Network (LAN)

Wide Area Network (WAN)

Wireless Fidelity (Wi-Fi)

Read this tutorial it will help u:

http://f1tutorials.com/Tutorials/Network/chapter3.html

What are the advantages of fiber cable over electricity cable?

If you're comparing fiber optic cable to ethernet cable (CAT5e for example), there are huge advantages of going wih fiber.

* Distance: Depending on the type of fiber and hubs, you're looking at maximum runs of upwards of fractions of a mile or more compared to only 1000' for CAT5.

* Bandwidth: Many fiber hubs offer gigabit LAN links. It's great for linking 2 separate LAN networks such as in two different buildings.

* Cost, sorta: Many providers can offer long distances of fiber at cheaper rates than copper wire (mostly for telephone / datacom applications). However, fiber can still be expensive up front.

* Durability: Lasts longer than CAT5, espcially in outdoor applications.

Downsides:

* Tools & Equipment: It takes special tools and steps to put fiber ends on if you're doing your own runs. A used toolkit was recently seen on ebay for $400 that would allow you to polish the ends and terminate the cable.

Overall: It's a great step up, but might pose a bit of a cost factor in doing a big upgrade at once. Check with your local ISP or other providers for more details.

What is the primary disadvantage of X25?

The primary disadvantage of X25 is slow speeds.

What is the discovery network about?

"Discovery Network actually offers a very diverse and broad range of programming, ranging from reality tv shows. To nature tv shows and the like it is very diversified."

Which utility would you use to retrieve a computers mac address?

For Windows open a command prompt (Clicking "Start -> All Programs -> Accessories -> Command Prompt" -OR- by typing "CMD" (no quotes) on the run line and hitting enter)

Once in the command prompt, type the following:

ipconfig /all

...and hit enter.

The MAC address of your NIC should be listed as "Physical Address"

What is the difference between ribbon cables and power cables?

Ribbon cables are mostly, but not always lower voltage signal carriers. Power cables are mostly larger and carry higher voltage to various parts tht need it.

How many hops between the source and destination?

Depends on where the source is and where the destination is.

What does lan network mean and what does dsl network mean?

A local area network means all the devices connected locally with in a company throught the switch or hub .and sending information locally from one desk to another .

and a dsl digital scriber line is a example of wan its a network to provide the broadband connection throught the moden switch,so its a wide area network.

Which resources are not shared by default in a homegroup?

you can share music photos and documents, but not printers.. your welcome

What is the next step the host wil take to find the destination MAC address of another host?

This is achieved via the ARP protocol (the Address Resolution Protocol). The host sends out a request, basically asking "who has IP address so-and-so". The request, of course, is sent as a broadcast. If a computer has the specified IP address, it will reply with its MAC address.

What are the applications for single mode fibers?

Hi,

Single mode fiber is used to send the data from transmitter to receiver or repeater. In single mode we can only send single signal at a time and hence it is single mode.

The Single mode fiber will have core and cladding arranged in such a way that the core has got one refractive index and the cladding has got another refractive index which will be constant through out the fiber.

What is the purpose of TLS authentication?

TLS Authentication ensures that both a server and client know who they are communicating with.