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 0update timer and 3 is the number of 0updates 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