What is the cause of this issue?

A network administrator is configuring authorization policies on Cisco ISE There is a requirement to use AD group assignments to control access to network resources After a recent power failure and Cisco ISE rebooting itself, the AD group assignments no longer work.

What is the cause of this issue?
A . The AD join point is no longer connected.
B . The AD DNS response is slow.
C . The certificate checks are not being conducted.
D . The network devices ports are shut down.

View Answer

Answer: A

Explanation:

https://www.cisco.com/c/en/us/td/docs/security/ise/2-3/ise_active_directory_integration/b_ISE_AD_integration_2x.html#ID612