单选题You want to perform a backup of your database to tape. Which backup format can you use？（）A backup set onlyB image copy onlyC only user-managed backupD both image copy and backup setE only incremental image copy backup

第1题：

Your database in running in the ARCHIVELOG mode. You issue the following command to back up datafile 2 in your database.   RMAN> COPY DATAFILE 2 TO ’D:///ORACLE/ORA90/MYNEWDB/DA2.DBF’；   Which two statements are true regarding the backup created using this command？（）

• A、 The copy of the datafile created is stored in the RMAN repository.
• B、 The copy of the datafile created can be viewed using the LIST BACKUP command.
• C、 The copy of the datafile created using this COPY command can be placed only on the disk.
• D、 The copy of the datafile created is similar to the backup of the file created using the BACKUP command.
• E、 The copy of the datafile created can be used for recovering the database using the user-managed recovery method.

第2题：

You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode and you want to perform a backup. Which type of backup would be appropriate in this case？ （）

• A、Hot backup
• B、Online backup
• C、consistent backup
• D、incremental backup
• E、inconsistent backup

第3题：

According to your backup strategy， you performed an incremental level 0 backup of yourdatabase. Which statement regarding this backup is true？（）

• A、The backup is similar to image copy.
• B、The backup contains all used data blocks.
• C、The backup contains only unused data blocks.
• D、The backup contains all data blocks changed since the last incremental level 1 backup.

第4题：

You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation？（）

• A、 The backup as copy can only be taken to disk
• B、 The backup as copy can only be taken to tape
• C、 Backup can be performed only when the instance is shutdown
• D、 Backup will constitute all used and unused blocks in the database

第5题：

ou are managing an Oracle Database 11g database. You want to take the backup of MULT_DATA, a big file tablespace of size 100 TB on tape drive, but you have tapedrives of only 10 GB each. Which method would accomplish the task quickly and efficiently?（）

• A、parallel image copy backup 
• B、backup with MAXPIECESIZE configured for the channel 
• C、parallel backup with MAXPIECESIZE configured for the channel 
• D、intrafile parallel backup

第6题：

You want to back up your 100-GB database on a remote tape device. You are required to ensure that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent. Which type of backup should you perform?（）

• A、standard backup set
• B、image copy
• C、compressed backup
• D、user-managed backup

第7题：

You want to perform a backup of your database to tape. Which backup format can you use？（）

• A、backup set only
• B、image copy only
• C、only user-managed backup
• D、both image copy and backup set
• E、only incremental image copy backup

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第13题：

Which two statements regarding compressed backups in Recovery Manager （RMAN） are true？（）

• A、 Backup compression is disabled by default.
• B、 Backup compression can be used with both backup sets and image copies.
• C、 Backup compression cannot be enabled using the CONFIGURE command.
• D、 Backup compression works only if the COMPATIBILITY parameter is set to 9.0.0.0 or higher.
• E、 Backup compression applies to only backup sets.
• F、 Backup compression applies to only image copies.

第14题：

You are managing an Oracle Database 11g database. You want to take the backup of MULT_DATA， a big file tablespace of size 100 TB on tape drive， but you have tapedrives of only 10 GB each.  Which method would accomplish the task quickly and efficiently？（）  

• A、 parallel image copy backup
• B、 backup with MAXPIECESIZE configured for the channel
• C、 parallel backup with MAXPIECESIZE configured for the channe
• D、 intrafile parallel backup

第15题：

Which command creates an image copy？（）

• A、 backup as copy
• B、 backup copy
• C、 copy as backup
• D、 copy back

第16题：

You want to perform an RMAN backup of database as a copy. Which two factors will you consider whileperforming the backup operation?（） (Choose two).

• A、The backup as copy can only be taken to disk
• B、The backup as copy can only be taken to tape
• C、Backup can be performed only when the instance is shutdown
• D、Backup will constitute all used and unused blocks in the database

第17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？（）

• A、The backup is similar to image copy.
• B、The backup contains all used data blocks.
• C、The backup contains only unused data blocks.
• D、The backup contains all data blocks changed since the last incremental level 1 backup.

第18题：

According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）

• A、The backup is similar to image copy.
• B、The backup contains all used data blocks.
• C、The backup contains only unused data blocks.
• D、The backup contains all data blocks changed since the last incremental level 1 backup.

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