Which action accomplishes this goal?

In-band is currently configured and used to manage the Cisco ACI fabric. The requirement is for leaf and spine switches to use out-of-band management for NTP protocol .

Which action accomplishes this goal?
A . Select Out-of-Band as Management EPG in the default DateTimePolicy.
B . Create an Override Policy with NTP Out-of-Band for leaf and spine switches.
C . Change the interface used for APIC external connectivity to ooband.
D . Add a new filter to the utilized Out-of-Band-Contract to allow NTP protocol.

Answer: A

Explanation: https://www.cisco.com/c/en/us/support/docs/cloud-systems-management/application-policy-infrastructure-controller-apic/200128-Configuring-NTP-in-ACI-Fabric-Solution.html