Which option is a possible cause of the problem?

You discover that the Cisco ISE is failing to connect to the Active Directory server.

Which option is a possible cause of the problem?
A . NTP server time synchronization is configured incorrectly.
B . There is a certificate mismatch between Cisco ISE and Active Directory.
C . NAT statements required for Active Directory are configured incorrectly.
D . The RADIUS authentication ports are being blocked by the firewall.

View Answer

Answer: A