Which command must be configured first to troubleshoot this issue?

While troubleshooting connectivity issues to a router, these details are noticed:

– Standard pings to all router interfaces, including loopbacks, are successful.

– Data traffic is unaffected.

– SNMP connectivity is intermittent.

– SSH is either or disconnects frequently.

Which command must be configured first to troubleshoot this issue?
A . Show policy-map control-plane
B . Show policy-map
C . Show interface inc drop
D . Show ip route