The backup management system includes backup management software and backup management server. Which of the following items can be managed? (Multiple choice)

• A.Back up the network
• B.Backup strategy
• C.Write data to backup media
• D.Read data from the backup client

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Physical tape libraries have the following disadvantages: The mechanical failure rate is relatively high, and tapes are vulnerable to the adverse impact of the environment (temperature, humidity, and dusts).

• A.FALSE
• B.TRUE

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When an OceanStor is powered by the BBU's it means that only the controller is powered.

• A.TRUE
• B.FALSE

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Before planning and designing the project, it is necessary to collect information on the project. Which of the following information collection descriptions are correct? (Multiple choice)

• A.Collect operating system version information of the business host
• B.Collect business storage capacity requirement information
• C.Collect network topology information on the live network
• D.Collect project contract amount information

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The customer puts forward the requirements of RPO=0 and RTO=0, and the colleague chooses the master-standby synchronous remote replication disaster recovery plan, so the plan is?

• A.Able to meet customer requirements.
• B.Cannot meet customer requirements RPO>0 and RTO>0.
• C.Cannot meet customer requirements RPO>0
• D.Cannot meet customer requirements, RTO>0

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