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Computer Networks
1. Differentiate WAN and LAN.
2. Describe the TCP/IP Reference Model with diagram.
3. Explain Circuit switching and message switching.
4. List the functions of (i) Routers (iii) Bridges.
5. State the terms Error Detection and Correction with respect to Data Transmission. Also describe the following concepts with respect to Error Detection and Correction:
a. Parity Bits b. Cyclic Redundancy Check
6. Write short notes on
(i) Non-Persistent CSMA (ii) 1-Persistent CSMA (iii) P - Persistent CSMA.
Name the protocol which is networking middleware SOCKS is a networking middleware: a circuit-level gateway, acting as a proxy and is placed at the session layer to mediate clie
What is Forward Error Correction and data words Forward error correction It is the process in which the receiver tries to guess the message by using redundant bits. Da
Q. Define the Backbone Networks? Backbone Networks - Allows several LANs to be connected - Non of station is directly connected to the backbone - Stations are part
Advantages of mobile wireless network over a wired network is it is very much popular, it is very easy to set up, it requires a simple plug and the speed and reliability is very
Explain Point-to-Point connection type. Many point-to-point connections are associated with modems and PSTN (Public Switched Telephone Network) communications.
Q. Define layered network model? - The OSI Reference Model is collection of seven layers every specifying particular network functions. - The process of breaking up the func
Discuss an example of threats in computer software Assume only one attack out of the above list i.e., the virus attack. Though the present anti-virus software solutions can det
Describe how Link-State routing protocols work
Geo stationary satellite The satellite which is known as earth-orbiting satellite is called geo stationary satellite. The geo stationary satellite is placed directly over the e
Wait protocol The wait protocol is used for resolving the conflicts, which arise due to number of multiprocessors demanding the same resource. There are two types of wait prot
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