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Computer Networks
1. Write about different network structures in use.
2. Explain the architecture and usage of ISDN.
3. Describe the concept of framing in Data Link Layer and its importance in data communication.
4. Differentiate Noisy and Noiseless channels in Data Communication.
5. Elucidate Connection states and POP3 commands and responses.
6. Elaborate the two modes of IP Security.
Q. Illustrate Data-Link Layer in osi layers model? Data-Link Layer: This layer takes the data messages or frames from the Network Layer and gives for their actual transmissio
Cell splitting In practice, the distribution of traffic and topographic features is not uniform, and this shows opportunities of capacity enhance. Cells in areas of high usage
Selective Repeat ARQ - Processing at the receiver additionally complex - The window size is reduced to 2(m-1) (2m/2 at most) - Both the transmitter as well as the receiv
The science and art of manipulating messages in order to create them secure is known as cryptography..... Two types are:- Symmetric key cryptography and Asymmetric key crypto
What is Beaconing? The process that permits a network to self-repair networks problems. The stations on the network notify the other stations on the ring when they are not rece
Explain the term- congestion The average queue size over the last cycle and the current cycle is calculated. This value is the threshold. By averaging over two cycles instead o
What are the main categories based on which applications of computer network can be categorized? The major areas under which the applications for computer network can be divide
Write a report on your chosen topic that has been approved by your Lecturer. Your report should include appropriate figures, about 2000 words. Topics: 1 MAN- Metro Ethernet 2 Inte
In formation sharing at regular intervals For example every 30 seconds each router sends its information about the whole network to its neighbours. This sharing occurs
Q. What is Retransmission timer? Retransmission timer if an ACK is received previous to the timer goes off - destroy the timer if the timer goes off before ACK a
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