Information learned from one source is not distributed back to that source.
Routing updates from the poisoned source are ignored until a holddown timer expires.
Failed routes are advertised with infinite metrics.
New routing updates are ignored until the network has converged.
A route is marked as unavailable when its time-to-live is exceeded.
第1题：
A.How seldom
B.How often
C.How long
D.How soon
第2题：
how does the rudder answer?
第3题：
你们怎样选拔参加保卫工作的人员?
A.How long will you select those employees for the security work?
B.Why do you select those employees for the security work?
C.How will you select those employees for the security work?
D.How do you select security guards for the World Expo?
第4题：
A. Use ping and the show ip route command to confirm the timers for each default network resets to 0.
B. Load balancing does not occur over default networks; the second route will only be used for failover.
C. Use an extended ping al ong with repeated show ip route commands to confirm the gateway of last resort address toggles back and forth.
D. Use the traceroute command to an address that is not explicitly in the routing table.
第5题：
A.The route is rejected.
B.The route is accepted.
C.The route is given a lower priority.
D.The route is sent to the default policy.
第6题：
A、work out
B、work up
C、work in
D、work on
第7题：
A. The route does not match this policy.
B. The route is rejected.
C. The route is accepted.
D. The route is accepted, then rejected.
第8题：
A.She is fine, thank you, and you?
B.She is fine, thank you, and she’ll be happy to see you again.
C.She is an assistant auditor and works in the Auditing Department.
第9题：
A.The route is a direct route.
B.The route was selected as active.
C.The route is a default route.
D.The route was learned using a dynamic routing protocol.
第10题：
A. Information learned from one source is not distributed back to that source.
B. Routing updates from the poisoned source are ignored until a holddown timer expires.
C. Failed routes are advertised with infinite metrics.
D. New routing updates are ignored until the network has converged.
E. A route is marked as unavailable when its time-to-live is exceeded.