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