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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.
Demarcation is the point in which responsibility changes hands.
Explain how does PPP use LCP for link control?
Q. Illustrate about Sliding Window Protocols? - Sliding window - Keeps the unacknowledged outstanding frames in sender - Keeps the expected frames in receiver - Sequen
What is Sliding Window? The sliding window is an abstract method that explains the range of sequence numbers that is the concern of the sender and receiver. In other words, he
Single Program Multiple Date A common style of writing data parallel programs for MIMD computers is SPMD (single program, multiple data): all the processors implement the same
SONET Frame Format SONET uses a basic transmission rate of STS -1 that is equivalent to 51.84 mbps. Higher level signals are integer multiples of the base rate. For exa
Butterfly permutation This permutation is getting by interchanging the important significant bit in address with smallest significant bit.
a) Used for sending e-mail. b) Uses port 25.
In Novell's use of RIP, there are two metrics used to make routing decisions. What are they? Ans) A. Ticks. B. Hops
What do you mean by Beaconing and Auto-Reconfiguration? When a station does not receive a message from its nearest active upstream neighbor, it sends out a warning, otherwise c
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