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problem 1: Is the nyquist theorem true for optical fiber or only for copper wire? Illustrate.

problem 2: Why do data link layer protocols place the checksum in the trailer and not in the header?

problem 3: Compare the maximum window size in go-back-N and selective-repeat ARQs.

problem 4: Why does ATM employ the cell of small and fixed length?

problem 5: Provide the equivalent binary word for the polynomial x8 + x2 + x + 1.

problem 6: In which of seven layers of OSI will a service handling conversion of characters is from EBCDIC to ASCII is generally implemented?

problem 7: Where is the special IP address 127.0.0.0. employed?

problem 8: Transform the IP address 197.228.17.56 into the binary?

problem 9: Compare satellite with fiber as the communication medium and describe the application areas where the satellite still holds a niche (or special) marker.

problem 10: A binary signal is sent over the 3-khz channel whose signal-to-noise ratio is 20 db. Compute the maximum attainable data rate?

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M97029

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