You are the administrator of your company’s ONTAP 9.7 storage system. Your system hosted CIFS shares in your Active Directory environment for several years without any problems. Suddenly users report to you that they can no longer access their CIFS shares.

What is the reason for this problem? (Choose the best answer.)

A. The CIFS standard license expired.
B. The user account used to join your SMB server to your Active Directory expired.
C. The WINS servers are unreachable.

D. The NTP servers are unreachable.