oldguo-MySQL 8.0 OCP 原题解析-Q4

Question 4:

Examine this command, which executes successfully:
Which two statements are true?

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A) InnoDB redo logs must not rotate for the duration of the execution; otherwise, the recovery will fail.

B) A new instance is installed, initialized, and provisioned with data from an instance already in the cluster and joined to the cluster.

C) It is always slower than (recoveryMethod: 'incremental').

D) A target instance must exist, then it will be provisioned with data from an instance already in the cluster and joined to the cluster.

E) The account used to perform this recovery needs the BACKUP_ADMIN privilege.