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Q. Show the Drawbacks of Go-back-N?
Drawbacks of Go-back-N
- Inefficient
- Every out of order received packets are discarded (receiver side is simplified)
- This is a trouble in a noisy link
- Many frames should be retransmitted -> bandwidth consuming
- Solution
- Re-send merely the damaged frames
- Selective Repeat ARQ
- Avoid unnecessary retransmissions
Asynchronous or Statistical Time Division Multiplexing As we have seen synchronous TDM does not guarantee that the full capacity of a link in sued. In fact it is more like
Hardware difficulty It refers to the price of hardware logic like connectors, wires, switches, arbiter etc. that are required for execution of interconnection network.
Q. What do you mean by Addressing? Addressing Require to uniquely and universally identify every device to allow global communication Internet address or IP address is us
Explain what is digital certificate?
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state the advantages of the ICT
Question : (a) Several techniques are now available for users to connect to the Internet. (i) A modem is commonly used to dial up to the Internet. Why is a modem needed fo
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