294
Chapter 5
Applying Cisco's Diagnostic Tools
Answers to Review Questions
1.
B. Even though the interface says that it is up, if the line protocol is
down, the interface will not function and therefore is actually down.
2.
B. The interface is administratively down, therefore, it had to have
been done through the interface configuration.
3.
A, D. Both of these commands may be used to display the ARP table.
4.
C. Ping is the tool that is used specifically to test for reachability and
connectivity.
5.
A. Boot mode is caused when the image has to be loaded from the boot
ROM and no other images are available or the configuration register
was set to read only from the boot ROM.
6.
B. Rebooting will not help if the configuration register is still set to tell
the router to only boot from the boot ROM. Option C is invalid syn-
tax and is not allowed to be input on the router.
7.
B. No routing protocols run on the boot image for a router, therefore,
it is unable to route traffic.
8.
A, B, D. The valid ARP types are ARPA, SNAP, and Probe.
9.
B. The correct syntax is described by B.
10.
C. Collisions are based on output packets.
11.
A, C. Collisions are characteristics of the Ethernet protocol. Any
devices involved in an Ethernet connection can contribute to colli-
sions.
12.
B, D. The two valid ring speeds are 4Mbps and 16Mbps.
13.
D. D represents the correct syntax for changing the ring speed.
14.
D. All of these options can cause the Token Ring interface to go down.
Copyright ©2000 SYBEX , Inc., Alameda, CA
www.sybex.com