Answers to Review Questions
337
Answers to Review Questions
1.
A. A router that is in the active state answers the ARP request for the
virtual IP address.
2.
D. The HSRP standby state means that a router will not answer for
the virtual IP address unless the active router goes down.
3.
C. An HSRP router will come up into initial state upon bootup and
then listens for the active router to provide the virtual IP address.
4.
B, C. The show standby and debug standby are used to check the
virtual IP address, the virtual MAC address, and the hellos sent and
received.
5.
B. The default priority of an HSRP router is 100. To configure a
router with a higher priority, you would set it at 150, for example.
6.
D. The interface command standby [group] [protocol]
[virtual ip address]
is used to create a standby group.
7.
B. The
standby [group] track [interface] [new priority]
command is used to keep an eye on an interface other than the inter-
face running HSRP.
8.
A. The
standby [group] priority [new priority]
command is
used to change an interface to a new HSRP priority.
9.
D. The
standby [group] preempt
command must be used to tell a
router that a new election must be held if a new HSRP interface joins
the group with a higher priority. If you do not use the preempt com-
mand, an election will not be held.
10.
D. The authentication command does not provide authentication; it
makes the router interface running HSRP check to make sure that the
packets contain the correct information and are not corrupted.
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