フリー問題

問題文

A site plans to reinstate a former primary after any future failover instead of rebuilding it from a backup. Which preparation on that database makes the later reinstatement possible?

選択肢

1. A recovery area is sized and a retention target is chosen and change tracking is turned on so the database can be returned to an earlier point later
2. A recovery area is sized and a retention target is chosen and the archiving mode is turned on so the database can be returned to an earlier point
3. A recovery area is sized and a retention target is chosen and block checking is turned on so the database can be returned to an earlier point later
4. A recovery area is sized and a retention target is chosen and the rewind feature is turned on so the database can be returned to an earlier point later