An administrator is troubleshooting a problem between routers that are using different versions of RIP. Which two commands would provide information about which version of RIP was being sent and received on an interface? (Choose two.)
A.
show ip protocols
B.
show ip route rip
C.
show interfaces
D.
debug rip routing
E.
debug ip rip
B. Incorrect: Command allows you to see only the RIP routes installed in the routing table.
C. Incorrect: This command displays detailed layer 1 information about interfaces on a device, including tracking errors. It is useful for quickly checking the status of the device.
D. Not a RIP Debug command. See link here – http://www.cisco.com/en/US/docs/ios_xr_sw/iosxr_r3.6/routing/debug/command/reference/rr36rpdb.pdf
A. Correct: This command displays a summary of configured routing protocol information. It is useful for quickly verifying how routing protocols are configured. It is mainly used for RIP, since there aren’t very many other troubleshooting commands available.
E. Correct: This command enables RIP debugging messages. The debugging shows RIP updates that are being sent and received. Messages include version type.
Source: http://www.howtonetwork.net/public/department98.cfm