When the system disk fails, you can create a new cloud hard disk through the backup of the system disk and mount it to the cloud server as a system disk.

• A.True
• B.mistakenerror

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Which SDK language does the API gateway support?

• A.delphi
• B.Java
• C.C
• D.PHP

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Statements about backup and disaster recovery, Which of the following is correct?

• A.The cost of backup is usually higher than disaster recovery
• B.Backup generally builds a backup copy of data through techniques such as snapshots and backups
• C.Disaster tolerance is generally to build a backup host and data for the business in a remote place through replication technology
• D.Disaster recovery mainly targets business interruptions caused by software and hardware failures and major natural disasters such as tsunamis, fires, and earthquakes

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Cloud hard disk backup cannot be used to create a new system disk.

• A.True
• B.mistake

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Which of the following types of attacks can be prevented by the Anti-DDos traffic cleaning service?

• A.SYN Flood attack
• B.HTTP Get/Post Flood attack
• C.TCP connection exhaustion attack
• D.Malformed package

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