Which components are needed for successful and most efficient recovery.（） <br>A: The backup RB3 and the current online redo log files<br>B: the backup RB2 and the archived redo log files after the log sequence number 15622<br>C: Backup R81 and the archived redo log hies after the log sequence number 12871<br>D: The backup RB3 and the archived redo log files after the log sequence number 16721

Which components are needed for successful and most efficient recovery.（）
A: The backup RB3 and the current online redo log files
B: the backup RB2 and the archived redo log files after the log sequence number 15622
C: Backup R81 and the archived redo log hies after the log sequence number 12871
D: The backup RB3 and the archived redo log files after the log sequence number 16721

出自：Oracle认证

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