Chapter 1 643
15
What layer of the network is primarily concerned with high-speed transport of data?
Core.
16
How have the latest technology advances changed the 80/20 rule?
Originally, the 80/20 rule stated that 80 percent of the traffic should remain local. With the
advent of the Internet and other centralized servers, 20 percent of the traffic is now
accessed from the local network. With the advent of the Internet, other centralized servers,
and high-speed networking, 80 percent of the traffic now travels outside the local network.
17
At what step of designing the internetwork should a protocol be selected?
Step 3: Developing the internetwork structure.
18
What Cisco router is recommended for the Core layer?
Cisco 7000 and above.
19
List five elements of strategic internetwork design.
Capacity planning.
Overall internetwork topology.
Budget.
Network applications.
Network management.
Policy decisions.
20
What is the simplest internetwork design model?
Flat-earth design.
21
Where can information on network design be found?
Cisco provides information on the Cisco Connection documentation CD and at
http://www.cisco.com/univercd/home/home.htm.
22
True or false: To save the customer money, an immediate cutover is recommended as the
first option of implementation.
False. Phased-in implementation is always recommended.
23
What is the most significant cost component of an internetwork over time?
Internetwork support is the most significant cost component for an internetwork over time.
24
What area of the network usually is the most dominant cause of latency in the wide-area
network? What area usually contributes the least?
87200333.book Page 643 Wednesday, August 22, 2001 1:41 PM