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Unformatted text preview: scheme in (a) requires a guard band between adjacent channels? Assume the guard band is 10% of the channel bandwidth. 2. How does a broadcast communication network work? Give an example of the service provided by broadcast communication networks. 3. Consider a network consisting of N nodes. Each node is connected to all the other N-1 nodes by a direct link. How many links are there in the network? Explain why a typical network with a large number of nodes is not built this way. 4. Compare the circuit switching, datagram packet switching, and virtual circuit switching. Solution: 5. What type of network the telephone system is (in terms of switching and connection type)? 6. Describe the processes involved inside the network in making a telephone call. 7. Why are standards needed in communication networks?...
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This note was uploaded on 01/22/2012 for the course EE 3414 taught by Professor Wang during the Spring '06 term at NYU Poly.
- Spring '06