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398 Chapter A: Answers to the "Do I Know This Already?" Quizzes and Q&A Sections
6
What product would you select for a central office facility that had to support three to five
branch offices using Frame Relay circuits from 64­256 Kbps and that had 20­30
occasional dial-up users?
The best choice is the 3600 series router. For instance, the 3640 router with a PRI and a
Mica modem bank would satisfy the occasional dial-in users and enable the Frame Relay
connections.
Answers to Chapter 2 Q&A Section
1
What are the selection criteria for selecting a router platform?
Availability, bandwidth, cost, ease of management, applications and traffic patterns,
backup needs and QOS, and access control requirements are the selection criteria.
2
Which of the following does not affect the installation of a router?
a. availability
b. reliability
c. cost
d. router port density
e. security requirements
f. bandwidth usage
The answer is d, router port density. The router, and thus its port density, is selected after
the requirements are established.
3
Of the 3600, 4800, 5300, and 7100 series routers, which provides a high dial-up port
density for an ISP?
The 3600 provides a high dial-up port density for an ISP.
4
Which of the following statements is true?
a. All interface cards used in the 2600 can be used in the 1600.
b. All interface cards used in the 1600 can be used in the 2600.
c. All interface cards used in the 3600 can be used in the 1600.
d. All interface cards used in the 3600 can be used in the 2600.
The answer is b. All interface cards used in the 1600 can be used in the 2600.