The backup is similar to image copy.
The backup contains all used data blocks.
The backup contains only unused data blocks.
The backup contains all data blocks changed since the last incremental level 1 backup.
第1题:
Your database runs in NOARCHIVELOG mode, and is backed up every night using RMAN scripts. However, last night your assistant DBA performed a manual operating system backup, instead of running the scripts. Today your database crashed and you now want to use the backups from last night. What do you need todo?()
第2题:
According to your backup strategy, you performed an incremental level 0 backup of yourdatabase. Which statement regarding this backup is true?()
第3题:
You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN >BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?()
A. Corrupted blocks, if any, are repaired.
B. Checks are performed for physical corruptions.
C. Checks are performed for logical corruptions.
D. Checks are performed to confirm whether all database files exist in correct locations
E. Backup sets containing both data files and archive logs are created.
第4题:
It is a holiday and no transactions are being performed on the database. You took a consistent backup of your database without using Recovery Manager (RMAN). How would you make use of this consistent backup in RMAN?()
第5题:
You are managing an Oracle Database 11g database with the following backup strategy:1) On Sunday, an incremental level 0 tape backup is performed.2) Monday through Saturday, a cumulative incremental level 1 tape backup is performed. Which twostatements are true regarding the backups performed()
第6题:
You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN > BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?()
第7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8题:
You performed the RMAN database backup having a backupset key number 231 with the KEEP FOREVER option. After some days, you want to change the status of the database backup and you issued the following command: RMAN>CHANGE BACKUPSET 231 NOKEEP; What is the implication of this command?()
第9题:
You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday, you issued the following commands: CONFIGURE DEFAULT DEVICE TYPE TO sbt; CONFIGURE BACKUP OPTIMIZATION ON; CONFIGURE RETENTION POLICY TO REDUNDANCY 3; From Monday to Saturday, you performed the following actions: Day Action Monday BACKUP DATABASE Tuesday BACKUP DATABASE Wednesday BACKUP DATABASE Thursday BACKUP DATABASE Friday BACKUP DATABASE Saturday BACKUP DATABASE How many times will the backup of the USERS tablespace be performed?()
第10题:
You issued the following RMAN command: RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON; What is NOT an impact of using the above command?()