At which layers are the Active-Active DC Disaster Recovery Solution deployed? (Multiple Choice)

• A.Active-active storage layer
• B.File system layer
• C.Load balancing layer
• D.Active-active web and application layers
• E.Active-active database layer

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The Persistence layer of Huawei Distributed Storage provides persistent storage capabilities, EC and multiple copies capabilities, and Plog append only access capabilities through PlogClient.

• A.False
• B.True

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When restarting an OceanStor V3 engine, we should:

• A.Make sure no service is running on any of the controllers.
• B.Make sure all disks are powered off.
• C.Make sure a second device can take over all services.
• D.Make sure the power is off.

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When deploying FusionStorage file service, a customer deploys 10 FusionStorage nodes and two management network switches.
In this scenario, how many IP addresses should be assigned for the management network?

• A.16
• B.12
• C.14
• D.18

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Which of the following statements about OceanStor BCManager eReplication are correct?
1. The version of JRE installed in the maintenance terminal where the eReplication client resides is 1.2.0_51 or later.
2. The eReplication client requires a trusted code signature.

• A.Statement 1 is false, Statement 2 is true.
• B.Statement 1 is true. Statement 2 is true.
• C.Statement 1 is false. Statement 2 is false,
• D.Statement 1 is true. Statement 2 is false.

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