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 slow 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
