CE6810-24S2Q-LI and CE6810-48S4Q-EI are stacked using high-speed cables to connect their high-speed Ethernet pore (for example, QSFP+ ports).

• A.TRUE
• B.FALSE

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Which of the following statements about 2-way backup of NDMP are correct? (Multiple Choice)

• A.In 2-way backup mode, NPS devices are used as main storage. The backup server sends requests to the NDMP host on the LAN to instruct NAS devices to start backup.
• B.NAS devices send data to its directly-connected tape devices through optical fibers.
• C.During backup, files and directories on tapes are transferred to the backup server through the NDMP host on the LAN. The backup server generates indexes to maintain these files and directories.
• D.In 2-way backup mode, data is transferred from disks on the NDMP host to the tapes on the same NDMP host, Backup dab is not transferred over a LAN.

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In an OceanStor 9000 system, the total number of nodes is 10. What data protection levels can be configured for it? (Multiple choice)

• A.4+5
• B.6+3
• C.6+5
• D.6+4

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In the VMware backup scenario, in the non-SAN transmission mode, the backup data is transmitted to the VSA through the ESXi host, and then written to the backup medium through the MA.

• A.False
• B.True

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In the use of OceanStor BCManager eReplication for disaster tolerance switchover and failback testing, both the production and disaster recovery end arrays must support the snapshot feature.

• A.True
• B.False

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