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Which of the following statements is wrong about the constraints of creating data disk mirroring?

When using the data disk of the cloud server to create a data disk image, To ensure that the cloud server must have a system disk
To create a data disk image from an external file, the operating system type must be clearly specified
When using the data disk of the cloud server to create a data disk image, The data disk of the cloud server cannot be empty
When creating a data disk image, Multiple data disk sources can be selected at the same time

Answer(s): D

The cloud server must be shut down when creating a private image.

Answer(s): B

After mounting the newly purchased cloud hard disk to the cloud server, it can be used directly.

Answer(s): B

How does the cloud hard disk triple copy technology ensure data consistency?

Automatically repair damaged copies when reading data fails
When writing data, Only when the data of multiple copies are written, Will return to the application a response that the data is written successfully
When writing data, perform write operations on 3 copies at the same time
When reading data, Perform read operations on 3 copies at the same time

Answer(s): B