The default backup strategy of cloud hard drives cannot be deleted.

• A.True
• B.mistake

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A disk can only be bound to one backup strategy.

• A.True
• B.mistake

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Which of the following statements about cloud hard disk backup is wrong?

• A.When using the backup to restore the cloud hard disk, there is no need to shut down the cloud server
• B.When backing up cloud hard drives, you don't need to shut down the cloud server
• C.Cloud hard disk backup is based on snapshot technology to support online backup
• D.Cloud hard disk backup supports full backup and incremental backup

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IP Sec VPN is an encrypted tunnel technology, Establish confidential and secure communication tunnels between different networks by using encrypted security services. Which of the following is not the guaranteed data packet transmission characteristics on the public network?

• A.Confidentiality
• B.Timeliness
• C.Completeness
• D.Authenticity

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relational database binding()Later, it can be accessed through the external network

• A.Mirroring
• B.Data disk
• C.Flexible ip
• D.system disk

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