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Chapter 6
Troubleshooting TCP/IP Connectivity
Answers to Review Questions
1.
A. The characteristics of ping tests are to determine reachability.
traceroute characteristics are meant to provide hop-by-hop
information.
2.
A, B, C, D. show ip default-gateway is not a valid command, and
show ip mrm
is only used when working with multicast issues.
3.
C. The debug arp command provides important IP information even
though it is not part of the IP debug set.
4.
B, C, D. These methods are the three discussed in the text, Chapters 1
and 6.
5.
A. The command is issued on a Windows 98 host and provides the
information specified in A.
6.
D. It cannot respond, so it does nothing.
7.
A, B, C. These are all valid scenarios in which the ARP table entries
are cleared.
8.
A. The default gateway indicates the next hop for packets with no
route to the destination address.
9.
C, D. These are the valid methods, though not stated here in the exact
syntax. The first two answers are invalid as to both method and
syntax.
10.
B. Standard access lists compare only the source address.
11.
D. All of the above commands can display the contents of an IP
access list.
12.
C, D. The correct syntax is given by C and D.
13.
A (3), B (4), C (1), D (2). IP-related information for an interface is
given by the show ip interface command.
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