Which of the following level that completes the encoding and decoding work in the FCoE protocol?

• A.FC-2
• B.FC-3
• C.Ethernet
• D.FC-0

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What are the external interfaces supported by HDFS Plugin? (Multiple choice)

• A.Java API
• B.Sheli
• C.C API
• D.HTTP REST API

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In the HyperMetro dual-active data center solution, the arbitration server mode has higher reliability than the static superior mode, which can ensure continuous business operation under various single-point failure scenarios. Therefore, Huawei's dual-active solution recommends the use of the arbitration server mode.

• A.True
• B.False

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Which of the following features is mainly used in Huawei's two-site three-center disaster recovery solution?

• A.HyperMetro
• B.HyperClone
• C.HyperMirror
• D.HyperReplication

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In the Huawei disaster recovery solution, which description is correct about the sequence of synchronous remote replication?

• A.The main storage array returns a successful write message to the host.
• B.Write IO data to the master and slave LUNs.
• C.The host sends IO to the main storage array.
• D.The primary storage array writes I/O data to the primary LUN, and sends IO to the secondary LUN

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