STUPIDSID
Answer any one question from Q1 and Q2
1 (a)
Write short note on Analog Signals and Digital Signals with the help of waveforms.
6 M
1 (b)
How is the bandwidth of a signal related to its spectrum?
6 M
2 (a)
Explain various transmission impairments present in Data Communication.
6 M
2 (b)
Draw and explain PCM and DM.
6 M
Answer any one question from Q3 and Q4
3 (a)
Explain Circuit switched network with three phases.
7 M
3 (b)
Explain in detail backbone networks.
6 M
4 (a)
Explain various types of Unguided media in detail.
7 M
4 (b)
Explain different addressing schemes in TCP/IP model.
6 M
Answer any one question from Q5 and Q6
5 (a)
What is CRC ? Generate the CRC code for message 1101010101. Given generator polynomial g(x) = x4 + x2 + 1.
6 M
5 (b)
Explain in detail Stop and Wait and Selective Repeat ARQ System.
6 M
6 (a)
Explain in detail Go-Back-N and Selective Repeat ARQ System.
6 M
6 (b)
Explain Error Detection and Correction in Block Coding.
6 M
Answer any one question from Q7 and Q8
7 (a)
Explain FDMA, TDMA and CDMA in detail.
6 M
7 (b)
Discuss CSMA/CA random access technique. How is collision avoidance achieved in this technique?
7 M
8 (a)
Explain CSMA and CSMA/CD. Also comment on the efficiency of each.
6 M
8 (b)
Discuss Fast Ethernet technology in brief. State its specification.
7 M
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