Regarding FusionAccess system reinstallation and recovery, which of the following descriptions is incorrect?

Regarding FusionAccess system reinstallation and recovery, which of the following descriptions is incorrect?
A . In the scenario of a single node failure of the system’s vAG/vLB server, copy the backed up vAG server and vLB server data to the newly created server, and perform the operation of restoring the server.
B . In the scenario of a single node failure of the system’s Backup Server, create a new Backup Server and complete "Execute Backup Now" on the FusionAccess interface.
C . In the scenario where a single node of the system’s primary or backup AD/DNS/DHCP server fails, copy the backup AD/DNS/DHCP server data to the new server and perform the operation of restoring the server.
D . In the scenario of a single node failure of the system’s ITA/GaussDB/HDC/WI/License server, copy the backup data to the newly created server and perform the operation of restoring the server.

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Answer: B