STUPIDSID
Solve any one question from Q.1(a,b) & Q.2(a,b)
1(a)
Explain amplitude modulation and frequency modulation.
6 M
1(b)
Calculate the bandwidth of noiseless channel having maximum bit rate of 24 Kbps and 4 signals levels.
7 M
2(a)
Explain in brief Shanno's capacity theorem for noisy channels. We have a channel with a 1 MHz bandwidth. The SNR for this channel is 63. Calculate the channels maximum capacity.
6 M
2(b)
Explain parallel transmission and serial transmission.
6 M
Solve any one question from Q.3(a,b) Q.4(a,b)
3(a)
What are the categories of twisted pair cable. Explain with applications.
6 M
3(b)
Explain the functions of Network layer?
6 M
4(a)
Explain guided and unguided signals. Give two examples of each.
6 M
4(b)
Explain with diagram time-space-time switches.
6 M
Solve any one question from Q.5(a,b) & Q.6(a,b)
5(a)
Explain the charatcter oriented framing technique.
6 M
5(b)
If generator =\(x^3+x^2+1 \text{and} M(x)=x^7+x^4+x^3+x. \)/. Generate the CRC and show the checking method also.
7 M
6(a)
Explain the Go-back in ARQ sliding window.
6 M
6(b)
Explain with exampl two-dimenshional parity check.
7 M
Solve any one question from Q.7(a,b) Q.8(a,b)
7(a)
Write a short note on types of CSMA.
6 M
7(b)
Compare 100BASE-TX, 100BASE-FX, 100BASE-T4.
6 M
8(a)
Compare FDMA, CDMA, TDMA.
6 M
8(b)
Explain the HDLC frame format i.e. I-frame, S-frame, U-frame.
6 M
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