Refer to the exhibit. Which potential cause of this issue is true?
A. Cisco UCS Central has run out of licenses and the grace-period time has expired
B. A firewall is blocking communication between the Cisco UCS Fabric Interconnect and Cisco UCS Central
C. There is no issue .The admin of Cisco UCS Central has removed the Cisco UCS Domain from the inventory and after the clean-up takes place, this domain will no longer be present
D. There is no issue Performing a manual full inventory refresh allows Cisco UCS Central and Cisco UCS Manager to become in-sync again
