CISCOCCNA认证考试640-810题库原题7
based on the display of the command output, what does [120/3] represent?
a. 120 is the udp port for forwarding traffic and 3 is the number of hops.
b. 120 is the administrative distance and 3 is the metric for that route.
c. 120 is the bandwidth of the link and 3 is the routing process number.
d. 120 is the value of the update timer and 3 is the number of updates received for that route.
answer: b
explanation:
to decide which route to use, ios uses a concept called administrative distance. administrative distance is a number that denotes how believable an entire routing protocol is on a single router. the lower the number, the better, or more believable the routing protocol.
route type administrative distance
connected 0
igrp 100
rip 120
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