668 Appendix A: Answers to Review Questions
Chapter 9
1
A customer needs a high-speed, cost-effective, low-latency network. Which technology
should he choose?
Frame Relay
ISDN
Point-to-point
X.25
Frame Relay
2
When designing networks for load sharing, what should you use between routers?
Equal hops
Equal latency
Equal bandwidth
Bandwidth on demand
Equal hops
3
Put the following in order of importance for a customer:
Redundancy
Single-protocol WAN
Reliability
Cost
Legacy system support
Reliability
Cost
Redundancy
Single-protocol WAN
Legacy system support
4
What does a company base its purchasing decisions on?
A.Reliability, cost, performance, redundancy.
B.Cost, availability, redundancy, performance.
C.Availability, scalability, performance, redundancy.
D.Redundancy, availability, cost, performance.
Answer: Reliability, cost, performance, redundancy.
5
Which technology is used for low-volume intermittent traffic?
ISDN
Frame Relay
X.25
ATM
87200333.book Page 668 Wednesday, August 22, 2001 1:41 PM