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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

How the receiver know that the coming bit is a parity bit not a data bit?

Both sides of the serial communication must be configured for parity. Then every 8th bit is defined as the parity bit.

Can a routing table in a datagram network have two entries with the same destination address?

In a datagram network, the destination addresses are unique. They cannot be duplicated in the routing table.

What is router short notes?

router is device which decide the route minimum two network connect it as lan or wan it work sopf theory ip base system

What two countries does the connect?

Great Britain and France

Eurotunnel is the name of the company which owns and operates the Channel Tunnel, as well as other business interests.

The Channel Tunnel connects the United Kingdom and France. It runs between Folkestone in Kent and Sangatte near Calais in Pas-de-Calais.

Comparision between telnet and ftp?

FTP is a File Transfer Protocol (a method of transferring files from one location to another.... Telnet would be more of an emulation/connectivity protocol where you can connect to another system and Signon / natigate through the other systems menu option / type commands etc.... eg. you could use Telnet as 5250 emulation and sign on to the iseries (AS/400) once, connected you can do whatever the host system/user security permits you cannot do this in ftp

What is the minimum memory unit to have an address?

byte - a sequence of 8 bits (enough to represent one character of alphanumeric data) processed as a single unit of information

sector - the minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes

block - (computer science) a sector or group of sectors that function as the smallest data unit permitted; "since blocks are often defined as a single sector, the terms `block' and `sector' are sometimes used interchangeably"

allocation unit - a group of sectors on a magnetic disk that can be reserved for the use of a particular file

partition - (computer science) the part of a hard disk that is dedicated to a particular operating system or application and accessed as a single unit

word - a word is a string of bits stored in computer memory; "large computers use words up to 64 bits long"

How to insert ip address?

1) Click Start

2) Click Control Panel

3) Double Click Network Connections

4) Under LAN or High-Speed Internet Doubleclick the enabled device (the Local Area Connection or the Wireless Network Connestion)

5) On the Status Box Window that opens Click the Properties button

6) Drag the Properties window beside the Status window

7) Click the SUpport tab on the Status window

8) Click the Details button--this window provides the information you will need to manually configure your IP

9) In the Properties window that you have open beside the Status windows scroll down through the devices until you get to Internet Protocol TCP/IP

10} Select Internet Protocol TCP/IP and click the properties button

11) In the Properties window that opens select "Use the following IP address"

12) If you have a number of machines begin by setting the IP address to 192.168.1.100 then go to 192.168.1.101 and so forth giving each machine a unique IP

on the network

13) The subnet mask has a default value of 255.255.255.0 in most cases

14) Copy the Default Gateway from the Network Connection Details window information (192.168.1.1 is common)

15) Copy the DNS Server info from the Details window--there will likely be two adresses to copy.

16) Close all the windows and test your internet connection

17) Repeat the process on all the machines on the network giving each a unique IP address.

How much money does a computer science degree earn?

According to the 2005 NACE Salary Survey, the starting salary nationwide for people with a Computer Science degree was $45,000 - $56,500. This range differs with experience, grade point average, location in the country, type of job function, and the quality of school attended. Personally, with a CS degree and seven years experience, I am able to make $70,000 annual salary in the southeastern region. Obviously results may differ depending on the need for computer scientists or software engineers in a particular area. However, CS degrees are always in demand somewhere, and most graduates can count on a salary around $50,000 in most areas.

For Ethenet networking crossover cords can connect two PCs directly without any intermediate network equipment?

Connecting two PCs directly using a crossover cable will enable them communicate without using any intermediate network equipment. The connection will work since a crossover cable has TX (Transmitting) and RX (Receiving) terminals that allow direct communication.

What is the difference between a glossary and index?

A glossary defines words, while the index tells what pages certain topics are on in the book.

What is kidzbopcom?

its a fun .com where you can upload videos of your self

i have alot of videos

im keeprocki just 2 let you now

you can also can listen 2 music

The IP address of a given host might change each time it comes onto a network?

The IP address of a given host might change each time it comes onto a network if it is using a proxy server. A proxy server makes it hard to locate the person using the internet.

How to connect a wireless router to switch and how to configure it?

Well first of all go through the documentation of the wireless router and just mark 2 ,3 points that is the the default ip mode,user name and password of that router.then make ur systems ip same that to the default ip of the router.then connect the router with the system with the use of RJ45 cable that is supplied with the router.Then in internet explorer address bar type the ip found in the documentation.Click on ENTER. Provide the user name n password...Then search for the IP settings tab.Then provide the static ip u want to use n that is same for all the systems in the network.Then save and restart the router.then with the help of the RJ45 cable connect the router to the switch n power on the router.The switch is now on wireless mode.... Tanmay

What are the wireless standards available?

The most common standards are:

  • IEEE 802.11a
  • IEEE 802.11b
  • IEEE 802.11g
  • IEEE 802.11n

though in the USA there is also IEEE 802.11y

What is a unique name that identifies one or more IP addresses?

DNS provides mapping of ip addresses to name. DNS is short from of Domain name system . DNS provides name to Ip address and that name is called as URL.