The Huawei ACC module is not hot-swappable I/O module.

• A.TRUE
• B.FALSE

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Which of the following solutions are correct about Oceanstor 9000 DeviceManager server failures? (Multiple choice)

• A.Check that the DeviceManager process is normal, then restart the DeviceManager process
• B.Check that the CM process is normal, and then contact Huawei technical support engineers
• C.Check that the DeviceManager process is normal, then check the CM process

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Which of the following options is wrong for the metadata description of the Huawei Oceanstor 9000 storage system?

• A.Oceanstor 900 metadata is stored by mirroring
• B.The mirroring method does not provide the system's access rate to metadata
• C.The metadata on each node is a complete and independent copy
• D.The purpose of mirror storage is to improve the security of metadata

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Which of the following technologies are used in Huawei's HyperVault disaster recovery solution? (Multiple choice)

• A.Snapshot technology
• B.Mirror technology
• C.eRepliation
• D.Remote replication technology

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Bank A has purchased Huawei's hybrid flash storage. The encrypted hard disk technology can enhance the security of business data. Which of the following statement is correct? (Multiple choice)

• A.External Key Manager is a key management application embedded in the storage system
• B.OceanStor 18000/18000FV5 supports TPM for key protection
• C.External Key Manager adopts KMIP+TLS standard protocol
• D.The encrypted hard disk technology uses the AES256 encryption algorithm to ensure that the data stored on the disk is encrypted and that the performance is not affected.

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