You want the ability to recovery any time within the last seven days and therefore you configured
the recovery window retention policy using the command:
RMAN> CONFIGURE RETENTIOH POLICY TO RKCOVFRY WINDOW OF 7 DAYS;
After configuring the recovery window, you performed the database backup as follows:
A.
Backup RB1 at log sequence number 12871 on 5th Jan
B.
Backup RB2 at log sequence number 15622 on 12th Jan
C.
Backup RB3 at log sequence 16721 on 15th Jan
D.
On 20th Jan when the log sequence number was 18112 you realize that there Is a need to a
point in time at the beginning of the recovery window. You have all an hived redo log files to date.
Full question (picked from another site)
You want the ability to recovery any time within the last seven days and therefore you configured the recovery window retention policy using the command:
RMAN> CONFIGURE RETENTIOH POLICY TO RKCOVFRY WINDOW OF 7 DAYS;
After configuring the recovery window, you performed the database backup as follows:
Backup RB1 at log #12871 on 5th-Jan
Backup RB2 at log #15622 on 12th-Jan
Backup RB3 at log #16721 on 15th-Jan
On 20th-Jan, when the log sequence number was 18112, you realize that there Is a need to a point in time at the beginning of the recovery window. You have all archived redo log files to date. 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 RB1 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