In the local high-availability solution using Huawei HyperMirror, which of the following statements is correct? (Multiple choice)

In the file system backup scenario, under the premise of satisfying the backup window and making full use of bandwidth, try to ensure that the backup strategy is independent and the time is separated.

In the data backup application scenario, which of the following descriptions about the quality of the optical disc storage medium is wrong?

Huawei's hyper-converged storage adopts the structure of distributed storage logic frame. Which of the following is the function of the MDC module?

If a client of Huawei Oceanstor 9000 requires that after one of its connection channels fails, other channels can be used to transmit data without interruption of business. One of the prerequisites is that the client must support the SMB3.0 protocol.