Network administration UE Past Papers Questions.

What is fragmentation ? and why is it needed?

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With the aid of diagram explain what will happen during data transmission(ARQ) .If NACK  is lost in transit.

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Differentiate between the following

1. circuit switching and Packet switching
2. TDM and WDM
3. Padding and redundancy

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An 8-bit with  binary value 10110111 is to be encoded using hamming code

1. What is the binary value after encoding?
2. Assume the error occurs at bit 3 show how the receiver is going to detect  error.

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UNSOLVED

Given that M(x)=x⁷ +x⁵ +x³ +x² is transmitted using the standard CRC method. The generator polynomial G(x)=x³ +x +1. Show the actual bit string transmitted.

Answer / Solution

UNSOLVED