Regarding data-level, application-level and business-level disaster recovery, is the following statement correct?

• A.About TCO, business level <data level <application level
• B.About RTO, data level <business level <application level
• C.About RTO, data level <application level<business level
• D.About TCO, data level <application level<business level

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Which of the following statements about SAS is false?

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

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What versions of the NFS protocol are there? (Multiple choice)

• A.NFS V1
• B.NFS V2
• C.NFS V3
• D.NFS V4

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To enable a Windows-based host to use the resources provided by a HUAWEI OceanStor V3 series storage device, perform the following operations:
1. Create a Disk Domain and a storage pool.
2. Create a host group and host.
3. Create a LUN group and LUN.
4. Configure an initiator on server and on storage device.
5. Connect the server to the storage device.
6. Format the logical disk.
7. Install the initiator software on server.
8. Mapping.
Place the steps in the proper order.

• A.1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 -> 8
• B.7 -> 5 -> 1 -> 3 -> 2 ->4 -> 8-> 6
• C.2 -> 3 -> 1 -> 4 -> 8 -> 7 -> 5 -> 6
• D.2 -> 3 -> 1 -> 4 -> 5 -> 6 -> 7-> 8

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Which is a typical application example of PaaS?

• A.Microsoft Office365
• B.Microsoft Azure
• C.Webmail
• D.Amazone Elastic Compute cloud

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