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Q1. prepare down the principal difference between the synchronous and asynchronous communication?

Q2. Create a Huffman tree for the given characters with their frequency given in brackets: e(9), f(5), d(16), c(12), a(45) and b(13)

Q3. Packets arrive at the transmission line every 5 seconds with the first packet arriving at time 0. The capacity of transmission line is around 9kbps. The length of each packet is 1500 bytes. Propagation delay is 0.5 seconds. When the packets arrive at a regular interval, find out the time a packet spends in the system.

Q4. Distinguish between the Pure ALOHA and slotted ALOHA protocol.

Q5. Illustrate the reasons for Ethernet frame containing a minimum size?

Q6. find out the bit rate of a modem which uses QAM with 4 amplitudes and 16 phases. The modem transmits signal at 1200 baud/second.

Q7. Distinguish between the bridge and a router.

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M910396

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