b)

19 a)
b)
20 a)
b)

06000CS307122001

Define Frequency hopping spread spectrum and explain how it achieves bandwidth
spreading.

Explain the structure of a packet switch with the help of a neat sketch.

What are the advantages of packet switching compared to circuit switching?
Explain Direct sequence spread spectrum with sufficient figures.

What are the characteristics of virtual circuit network that are common to datagram

and circuit switched networks?

TR RR

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