A company uses Huawei’s distributed storage block service to run its data business. The development team needs to use business data for data mining and testing without affecting business data. Which of the following descriptions are correct? (Multiple choice)
A . The source data and the cloned data each evolve into two different data
B . Create a clone based on the volume/snapshot, read and write the clone
C . Generate a snapshot of the data to be tested at a certain point in time
D . Create a clone of the snapshot and use the clone to test
Answer: ABCD