What are the recommended scenarios for installing iDA in a virtual machine? (Multiple choice)

• A.The virtual machine contains a large database
• B.The storage is directly connected to the virtual machine
• C.There are a lot of files in the virtual machine
• D.The storage is directly connected to the ESXi host

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Which function is not supported by a backup service node?

• A.To write the job index information and backup task into the media
• B.To maintain the index information and index cache information about all jobs on the service node
• C.To transfer data between the client and backup management node
• D.To write backup software data and read recovery data

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When the Oceanstor 9000 balance strategy switch is turned off, in the scenario of expanding nodes, deleting or disabling nodes, adding hard disks, hard disk failures, and slow disks. The system does not generate a balancing task, but if the node is deleted and the balancing strategy switch is turned on, the system will automatically complete the data balancing.

• A.False
• B.True

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Which of the following statements about intelligent load balancing implemented by Huawei OceanStor 9000 are true? (Multiple Choice)

• A.Transparent to applications
• B.Load balancing automatically implemented among all nodes
• C.Automatic balancing of capacity and performance
• D.Free from manual intervention

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When maintaining an OceanStor 9000, it is recommended that the system administrator perform routine check on user accounts, including: (Multiple Choice)

• A.Checking whether permissions of user accounts are proper
• B.Checking whether temporary user accounts have been deleted
• C.Checking and auditing logs about all user accounts' logins and operations

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