You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue?
A. Router> ping
B. Router> trace
C. Router> show ip route
D. Router> show interface
Answer: Option B
Solution (By Examveda Team)
The commandtraceroute (trace for short), which can be issued from user mode or privileged mode, is used to find the path a packet takes through an internetwork and will also show you where the packet stops because of an error on a router. 
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