please i need explanation for this

Which of the following statements about Huawei FusionCompute HA is false?

2. a)  This function enables a VM to reboot whenever the VM encounters with a failure.

4. b)  If VM data is stored in the shared storage, the unsaved data will not be lost if a fault occurs.

6. c)  With HA enabled, the system periodically detects the VM status If detecting a VM fault caused by a physical server fault, the system automatically migrates the VM to another physical server and restarts the VM to allow rapid restoration of the VM services.

8. d)  Administrators can set different HA policies based on importance of VMs.