A.The process of reinstallation and recovery of HDC components and WI components is exactly the same.

B.When the vAG component is reinstalled and restored, there is no need to restart the corresponding service.

C.The process of reinstalling and restoring the ITA component and the WI component is exactly the same.

D.Data synchronization is required after the GaussDB component is reinstalled and restored.

A.False

B.True

A.The production virtual machine will be stopped and the volume will be unmounted

B.The DNS record of the business virtual machine will be switched

C.The data of the production center will be synchronized to the disaster recovery center

D.The DNS records of ManageOne will be switched

A.When the CPU hot-add policy is not enabled, the number of CPUs in the Windows virtual machine is increased, and it needs to be restarted to take effect.

B.When the CPU hot-add policy is not enabled, the Windows virtual machine reduces the number of CPUs and needs to be modified offline.

C.When the CPU hot add policy is enabled, the Windows virtual machine increases the number of CPUs and takes effect online.

D.When the CPU hot add policy is enabled, the Windows virtual machine reduces the number of CPUs and takes effect online.

A.Check whether the monitoring information is normal on the management interface.

B.Check whether the data configuration is correct in the management interface.

C.View the alarm information on the management interface.

D.Observe the CPU utilization on the guest VM side.