An ACI Administrator Notices a Change in the Behavior of the Fabric

Multiple Choice

An ACI administrator notices a change in the behavior of the fabric. Which action must be taken to determine if a human intervention introduced the change?

A) Inspect event records in the APIC UI to see all actions performed by users.
B) Inspect /var/log/audit_messages on the APIC to see a record of all user actions.
C) Inspect audit logs in the APIC UI to see all user events.
D) Inspect the output of show command history in the APIC CLI. Inspect the output of show command history in the APIC CLI.