You can find the answers to the following questions in Appendix A, "Answers to Chapter Review Questions."
1:
What layers of the OSI model does Frame Relay cover?
2:
What is the name of the field in the Frame Relay header that identifies a PVC? Give the acronym and what the acronym stands for.
3:
Imagine that a company has a router, router A, at its headquarters. The router will use point-to-point WAN links to send and receive traffic to and from five remote sites. How many 4-wire cables need to be run from router A to the telco CO near router A?
4:
Imagine that a company has a router, router A, at its headquarters. The router will use Frame Relay to send and receive traffic to and from five remote sites. How many 4-wire cables need to be run from router A to the telco CO?
5:
What term is used to describe the cable from a router to the CO when the router uses Frame Relay?
6:
Define the term "PVC."
7:
Does the access rate or the CIR define how many bits per second the telco commits to pass over a single PVC?
8:
Does the access rate or the CIR define the clock rate of the physical link between a router and the local CO?
9:
What does the acronym CIR stand for?
10:
Define the meaning of the term "DLCI."
11:
Explain why the term "virtual circuit" is used to describe how Frame Relay sends data to and from a pair of routers.