Distributed object storage has a unified namespace, and supports online expansion.

• A.TRUE
• B.FALSE

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It is common practice to create an extra copy of a backup tape that holds important data.

• A.FALSE
• B.TRUE

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Which of the following statements are true for a NAS solution? (Choose all that apply.)

• A.Cable length is around 10 m
• B.NAS clients are connected to the NAS server using Ethernet switches
• C.Block size is configurable
• D.CIFS and NFS are both commonly used protocols

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Which of the following statements about SAS is false?

• A.SAS features high performance and high reliability compared with SCSI.
• B.SAS is a point-to-point, full-duplex, and dual-port interface,
• C.SAS drivers are incompatible with SATA controllers.
• D.SAS offers powerful scalability compared to SATA.

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What is the infrastructure of the data center? (Multiple choice)

• A.Fire protection system
• B.Cabinet system
• C.Power supply system
• D.Comprehensive wiring

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