What type of volume used by eDevLUN is directly provided by a Huawei storage device?

• A.External LUN
• B.Meta volume
• C.Target LUN
• D.Data volume

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What are the customer values of the InfoEqualizer feature of Huawei Oceanstor 9000 (C30)? (Multiple choice)

• A.Oceanstor 9000g automatically senses failures and adjusts services to other normal nodes, thereby improving the reliability of client service access
• B.Allow the client to use the domain name to access Oceanstor 9000, the client operator does not need to know the specific IP address of each visit, which simplifies the management operation and reduces the management cost
• C.Oceanstor 9000 can distribute requests to relatively idle nodes according to the current business load intelligent address of each node, thereby improving the access performance of the client
• D.This feature is a basic feature, no need to purchase a license, saving costs

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A host using an iSCSI HBA must be equipped with Initiator software to connect to a storage device.

• A.FALSE
• B.TRUE

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eDevLun refers to third-party heterogeneous device volumes connected to Huawei Storage.

• A.False
• B.True

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During the daily inspection, Engineer C found that the bit error rate of an optical module was high, and planned to replace an optical module. Which of the following descriptions are correct? (Multiple choice)

• A.Replacing the optical module will not cause the loss of existing data, and there is no need to back up the data before replacement
• B.Engineer C needs to use a spare part with the same model and version as the faulty optical module
• C.The storage has multiple paths connected to the business host, and the optical module can be replaced at any time
• D.You need to shut down the storage device before replacing the optical module

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