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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 is the difference between an index and a glossary?

A glossary is somewhat like a dictionary. A glossary usually contains a list of terms along with their definition. An index is simply a list of words or topics along with the page number more information can be found on.

What is IP config?

A Command run in the command prompt that will show the current information on all network connections to other devices, (Excluding USB, I394, etc.) including the ip addresses and M.A.C Addresses.

Syntax:

( Under Command Prompt )

C:\Users\<USER>\ipconfig

Main Syntax - ipconfig

In which of the following concepts did Jan Hus believe in?

I once heard a radio drama about Zinzendorf, who was one of the founders of what is now called the Moravian church. a major theological division came up and something that was called Busskampf. Kampf of course means battle, struggle, conflict- but I have no idea what Busskampf meant. It has nothing to do with motor buses , unknown in Zinzendorff"s time. The concept was almost the focal point of the radio drama, but was never satisfactorily defined. Good luck and good hunting. The Kulturkampf or Culture battle occurred between Bismarck and the Catholic church in Imperial Germany, but this is centuries later.

What is the difference between netbios and netbeui?

Worth noting is the popular confusion between the names NetBIOS and NetBEUI. NetBEUI originated strictly as the moniker for IBM's enhanced 1985 NetBIOS emulator for token ring. The name NetBEUI should have died there, considering that at the time, the NetBIOS implementations by other companies were known simply as NetBIOS regardless of whether they incorporated the API extensions found in that emulator. For MS-NET, however, Microsoft elected to name its implementation of the NBF protocol "NetBEUI" - literally naming its implementation of the transport protocol after IBM's second version of the API. Consequently, even today, Microsoft file and printer sharing over Ethernet continues to be called NetBEUI, with the name NetBIOS commonly used only in reference to file and printer sharing overTCP/IP. In truth, the former is NetBIOS over NBF, and the latter is NetBIOS over NBT.

How long is an Ethernet cord?

They come in a lot of different sizes and if you need a big one go to like radio shack or a computer store.

Why would you use email to respond to newsgroup post?

The primary reason would be so that your reply was seen only by the person you are responding to rather than to anyone reading the thread.

What is network teaming?

Network interface controller (NIC) teaming is the process of grouping several physical network controllers into a single logical NIC. NIC teaming enhances fault tolerance by increasing the availability of a server's network connection. Multiple network paths also allow balancing network traffic for better performance.

How is the first datagram in a TCP session identified?

Think about it:

The objective of the question is to make you think about TCP connections. How does TCP establish a connection? Look at the flags that are set in the packet. (TCP part of the frame -- 4thin the list)

Also identify the source and destination IPs and ports. Notice the port number and think about the protocol you are using.

Answer:

It shows the first Syn. It's the first one because the Syn doesn't have an acknowledgment with it. Therefor it's the first connection made.

This is known as the 3 way handshake

FTP Client ......................................FTP Server


-----------------SYN----------------------->

<-------------SYN----------ACK------------

-------------------ACK------------------------->


How do you replace Gateway MD7820U keyboard?

1) Follow all the usual anti-static precautions. 2) Remove the battery. 3) Remove the DVD drive. 4) To remove the keyboard bezel, the following 7 screws must be removed from underneath: - the 3 screws in the battery compartment (exposed by removing the battery), - the 2 outer-most back corner screws, - the 2 small screws on the edge exposed by removing the DVD drive. 5) Turn the laptop right-side up and open the display. 6) Gently lift up on the keyboard bezel with a small flat screwdriver above the F7 - F8 keys. 7) With your fingers, gently lift up on the bezel as you proceed out to the corners and then down the sides. 8) When it is loose, flip it over covering the touchpad, but be careful not to dislodge the small LCD ribbon cable that it is connected to. 9) Unscrew the 3 keyboard screws at the top of the keyboard. 10) Carefully lift up the keyboard from the back and unhook it from the front panel that covers the touchpad. 11) The keyboard ribbon cable is connected to a small white connector on the left about 1.5" long. Gently lift up on the small black plastic piece that goes across the ribbon at the conector. It should hinge up. (It came out when I did it, and it took quite a while to figure out how it goes back on.) 12) When the black plastic strip is raised, gently pull out the ribbon cable. 13) Replace the keyboard. 14) Insert the ribbon cable from the new keyboard and gently push it tight to the back of the connector. 15) Push down on the black plastic strip that holds this in place. 16) Replace the 3 keyboard screws, the bezel, and all 7 bezel screws in the reverse order from above. I have a few pictures, but apparently I do not have the authority to upload them.

Why ip address start with 255.255..?

the Ip address is used to broadcast messages, such as the Emergency Broadcast message recived on your television

What are Campus Area Network Home Area Network are for?

A Campus Area Network (CAN) is used to connect buidlings across campuses of colleges or Universities. CANs' also connect buildings across a military installation as well. A CAN is actually a type of Local Area Network (LAN). It is larger than a LAN but smaller than a Metropolitan Area Network (MAN). A Home Area Network is the network used in an individual home. Home users may have all of their computers in the house connected toghether by CAT-V (twisted pair) cable or by a wireless network (actually called a WLAN - Wireless Local Area Network).