Module 5 Assignments

For this module you are required to complete the following assignments:

· Chapter 9: exercises # 2 – 7

2. State three advantages of an Ethernet-based metropolitan area network over a SONET-based metropolitan area network.

3. Which type of network application requires more elaborate software: connection-oriented or connectionless? Explain.

4. Create an analogy similar to the telephone call/sending-a-letter scenarios that demonstrates the differences between connection-oriented and connectionless network applications.

5. Explain the difference between a network node and a network station.

6. Does a datagram network require any setup time before a packet is transmitted? If so, when and how often?

7. Does a virtual circuit network require any setup time before a packet is transmitted? If so, when and how often?

Thinking Outside the Box #4

One form of congestion avoidance is the permit system, in which a node must have a permit before it can transmit. Suppose a wide area network is using a permit system to control suggestion. What happens if, for some unknown reason, all the permits disappear? How can this event be detected? How can this event be repaired?

 

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