What are the correct compression features of Huawei? (Multiple Choice)

• A.Write to disk first, read first and then compress in idle time
• B.Online compression after writing to disk
• C.Online compression before writing to disk
• D.When the system time is idle, read and write first and then compress

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Regarding database-level disaster recovery, which of the following statement is wrong?

• A.Database-level disaster recovery is mainly achieved by transmitting data logs and replaying them at the disaster recovery site.
• B.Database-level disaster recovery technology is a disaster recovery solution designed for fixed databases.
• C.Database-level disaster recovery supports WAN, but requires separate hardware support.
• D.Database-level disaster recovery, more data will be lost in asynchronous mode, at least one log file will be lost.

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Which one of the following options is in the correct order of the basic business configuration process for data center block storage?

1. Create a mapping view.
2. Create a storage pool.
3. Create a hard disk domain.
4. Create LUNs and create LUN groups.
5. Create a host group.
6. Log in to Device Manager

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

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An e-commerce website usually has a relatively stable business volume and buys its own servers to build a private cloud operation. However, when the Double Eleven sales promotion comes, the business volume is very large, and the server is rented from the public cloud of the operator to share the holiday load. So, what does the cloud computing deployment model belong to?

• A.Hybrid cloud
• B.Private Cloud
• C.Community Cloud
• D.Public cloud

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Regarding the common protocols used by the storage, which of the following statement is correct?

• A.SCSI protocol does not support hot plug.
• B.A SAS domain can connect 15 devices.
• C.ATA protocol uses parallel interface, which can only be used internally, and there are requirements for cable length.
• D.FC protocol compatibility is good, long transmission distance.

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