pcie can provide the business interface between the control box and the data switch for exchanging control flow and data flow information between the control boxes.

• A.False
• B.True

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The IT storage equipment of a bank was relocated, and the mechanical hard disk could not be read. The engineer judged that the hard disk was broken. What are the possible reasons? (Multiple Choice)

• A.Broken head
• B.The control circuit is short-circuited and burned out
• C.Head displacement scratches the disc
• D.The flash memory particles are bad

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Which of the following PCIe versions are currently available? (Multiple Choice)

• A.PCIe 1.0
• B.PCIe 3.0
• C.PCIe 4.0
• D.PCIe 2.0

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Data management is the process of using computer hardware and software technology to effectively collect, store, process and apply data. In chronological order, what phases can data management be divided into? (Multiple Choice)

• A.Manual management
• B.Big data management
• C.Traditional database system management
• D.File system management

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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, more data will be lost in asynchronous mode, at least one log file will be lost.
• C.Database-level disaster recovery supports WAN, but requires separate hardware support.
• D.Database-level disaster recovery technology is a disaster recovery solution designed for fixed databases.

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