Which of the following statements about CVM management functions is correct? (Multiple choice)

Which of the following statements about CVM management functions is correct? (Multiple choice)
A . The virtual machine view management function allows maintenance personnel to customize the virtual machine directory based on actual business scenarios.
B . Cloud business is based on the virtualization function provided by CVM components, which abstracts physical resources such as computing, storage, and network into elastic virtual resource pools provided on demand.
C . Host automatic discovery task management will automatically search for hosts that can be added and add them to the cluster to which the task belongs.
D . The operation log records in detail the operations performed by all operators on the CVM and provides a download function.

Answer: ABCD