A network administrator is configuring authorization policies in Cisco ISE. There is a requirement to use AD group assignments to control access to network reso...

A network administrator is configuring authorization policies in 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 certificate checks are not being conducted. C. The network devices ports are shut down. D. The AD DNS response time is slow.