The storage device has two controllers A and B.
If the BBU of controller A fails, which of the following descriptions is correct?

• A.LUNs belonging to controller B will be converted to write-through
• B.LUNs belonging to controller A will be converted to write-through
• C.All LUNs are converted to write-through
• D.All LUNs are not converted to write-through

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Which file sharing interface is not provided by Huawei OceanStor 9000?

• A.NFS
• B.FTP
• C.Object
• D.CIS

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Suppose that you allocate 20 GB to a thin LUN, write 30 GB to the LUN, and then delete 25 GB data from it.
How large is the thin LUN now?

• A.10 GB
• B.5 GB
• C.20 GB
• D.30 GB

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Engineer A found an abnormality in the storage during daily inspections and called the Huawei technical support hotline for help. The technical support instructed Engineer A to complete the collection of information on the business host. The operating system of the business host is Linux, which of the following collected commands are correct? (Multiple choice)

• A.Execute the upadmin show upconfig command to view the multipath configuration
• B.Execute the upadmin show vlan command to query all or specified virtual disk information
• C.Execute service firewall stop to turn off the firewall
• D.Run the rpm -qa|grep UltraPath command to check whether the multipathing software is completely installed. If the system displays information about UltraPath, it means it has been installed.

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OceanStor SystemReporter can be used to monitor an OceanStor 9000, including which resource objects? (Multiple Choice)

• A.Node
• B.Cluster
• C.Client
• D.Disk
• E.Network port

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