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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.
Recalling two FEC schemes for internet phone described. Suppose the first scheme generates a redundant chunk for every four original chunks. Suppose the second scheme uses a low-ra
Question 1 Write about Circuit Switched Networks Packet Switched Networks Question 2 Write about Protocol Indep
using binary adition, what is the result of 1010 + 10? Using binary addition, how would you repeatedly increment a number by 2?
LEASED SATELLITE CHANNEL: It may span arbitrarily big distance. It is given in the figure below. Figure Satellite connections are low bandwidth to protect cost
What is piggybacked ACK The protocol will be incorrect. Suppose that 3-bit sequence numbers we are using. Consider following situation: A just send frame 7. B gets frame
Drawback of Repeaters. Repeater has no filtering capability as it forwards every frame. Repeater shell be placed at accurate distance before actual signal becomes
Components of the VPN When using VPN we incorporate many pieces of a jigsaw puzzle each piece services its own function to private the interoperation and the security nec
Control Commands: The STAT command is used as a way for the client to confirm that the server is still responding properly. The server must simply send a positive command res
a) A host is sending a HTTP request to a HTTP server. In the table below, propose a correct set of source and destination port numbers for segments sent from host to server and fr
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