The backup performed in step 1 backs up all blocks that have ever been in use in the database.
The backup performed in step 2 copies all the blocks changed since the most recent level 0 backup.
The backup performed in step 1 backs up all the blocks changed since the most recent level 1 backup.
The backup performed in step 2 backs up all blocks that have changed since the most recent incrementalbackup at level 1
第1题:
You performed an incremental level 0 backup of a database: RMAN > BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable block change tracking after the incremental level 0 backup, you issued this command: SQL > ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ‘ /mydir/rman_change_track.f’; To perform an incremental level 1 cumulative backup, you issued this command: RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which three statements are true?()
第2题:
You are managing an Oracle Database 11g database with this backup strategy: - Every Sunday night, level 0 backup is performed. - On Monday night and subsequent days, level 1 incremental backup is performed. The backups are not cumulative incremental. Which statement about Monday’s backup is true()
第3题:
Which of the following BEST describes the difference between differential and incremental backups?()
第4题:
You work as a database administrator for Certkiller .com. According to your backup strategy, you performed an incremental level 0 backup of your database. Which statement regarding this backup is true?()
第5题:
Which type of backup contains only the blocks that have changed since the last level 0 incremental backup?()
第6题:
You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sundays, to tape. Which two statements are true about differential incremental backups()
第7题:
You are managing an Oracle Database 11g database with the following backup strategy:1) On Sunday, an incremental level 0 tape backup is performed.2) Monday through Saturday, a cumulative incremental level 1 tape backup is performed. Which twostatements are true regarding the backups performed()
第8题:
A system administrator performs a full backup every Saturday evening and incremental backups the rest of the week. The system failed on Thursday and needs to be restored. Which backup tapes will be required to restore the system to its most recent recoverable state?()
第9题:
Examine the following command used to perform incremental level 0 backup: RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable the block change tracking, after the incremental level 0 backup you issued the following command: SQL> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ’/mydir/ rman_change_track.f’;To perform incremental level 1 cumulative backup, you issued the following command: RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which two statements are true in the above situation?()
第10题:
You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?()