Huawei's hyper-converged storage adopts the structure of distributed storage logic frame. Which of the following is the function of the MDC module?

• A.Provide management of storage cluster status
• B.DASH partition
• C.Provide hard disk management
• D.Provide standard SCSI/iSCSI services for VMs and databases

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Which of the following description of the hardware features of OceansStor9000 is wrong?

• A.C72 is a large-capacity archive node device with a height of 4U. It is used in large-capacity application scenarios. It has 72 service hard disk slots and 4 operating system hard disk slots.
• B.When the IB switch is used in the OceanStor 9000 network, the server can be equipped with a 2-port IB network card, providing two 40GE QSPP+ Ethernet optical ports for connecting to the IB switch.
• C.All types of storage nodes support inserting an SSD disk in slot 0 as a read cache to improve system read performance.
• D.P25 is a high-performance storage node device with a height of 2U. It is used in OPS-intensive application scenarios. It has 25 front-mounted service hard disk slots and 2 rear 2.5-inch operating system hard disk slots.

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The HyperLock (WORM) feature of Huawei Storage enables files to be written only once, cannot be written repeatedly, and cannot be modified, deleted, or renamed.

• A.True
• B.False

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The intelligent load balancing technology in Huawei's distributed storage supports partitions, and each partition can set an independent domain name and load balancing strategy.

• A.True
• B.False

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During the processing of the IO stack of Huawei's distributed big data service, the computing component sends a request to the DataNode module through the hdfs client and returns the file metadata information.

• A.True
• B.False

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