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Q. Show Data link and Physical vs Subnet?
- Data link layer
- Physical layer
Q Illustrate Return to Zero encoding? - In NRZ-I long strings of 0s may still be a problem - May comprise synchronization as part of the signal for both 1s and 0s - How?
What are reasons behind using layered protocols Reasons for using layered protocols, using them leads to breaking up design problem into smaller more manageable pieces and lay
What is LTE ?
Acknowledgment number This 32 bit field defines the byte number that the from the segment is expecting to receive the segment is expecting to receive from the other par
What are the various security measures A matter of prime concern to companies is the overheads in the form of huge investment on extra hardware and software. It is quite possi
What is OSI and what role does it play in computer networks? OSI (Open Systems Interconnect) serves as a reference model for data communication. It is made up of 7 layers, with
Question: (a) Distinguish between Flow Control and Congestion Control. (b) Explain clearly how a URL is resolved by a computer. (c) List one application that uses TCP
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
How does Intranet Work? An Intranet can be defined as a private network which uses Internet tools. The principal tool is the Web browser, but there are other Internet tools su
Control Frame: claim_token Consider first station turned on Station notices no tokens Sends claim_token No competitors, so makes a ring of just itself P
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