Which command is used to configure RMAN to perform a compressed backup for every backup executed？（）A、 BACKUP AS COMPRESSED BACKUPSET DATABASEB、 BACKUP AS COMPRESSED COPY OF DATABASEC、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSETD、 CONFIG

第1题：

How long will this backup be allowed to run？（）  Backup as compressed backupset duration 2：00 minimize load database

• A、 2 minutes
• B、 2 hours
• C、 2 days
• D、 The command will generate an error.
• E、 This backup is not constrained by any time limitation.

第2题：

Compressed backups work with which of the following commands？（）

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

第3题：

What is the impact of the following backup if it exceeds the duration allowance？（） Backup as compressed backupset duration 2：00 partial minimize load database ；  

• A、 The entire backup will fail.It will not be usable for recovery.
• B、 The entire backup will failbut any datafile successfully backed up will be usable for recovery.
• C、 If this backup fails，subsequent backups will prioritize datafiles not backed up.
• D、 If this backup fails，an error will be raised and any other commands will not be executed. 
• E、 If this backup fails，no error will be raised and any other commands will be executed.

第4题：

In your database, the flash recovery area (FRA) is configured as the default for RMAN backups. You executed the following commands to configure the settings in RMAN: RMAN> CONFIGURE DEVICE TYPE disk PARALLELISM 2 BACKUP TYPE TO BACKUPSET; RMAN> CONFIGURE CHANNEL 1 DEVICE TYPE disk FORMAT '/home/oracle/disk1/%U'; RMAN> CONFIGURE CHANNEL 2 DEVICE TYPE disk FORMAT '/home/oracle/disk2/%U'; You issue the following RMAN command to backup the database: RMAN> RUN 2> { 3> ALLOCATE CHANNEL ch1 DEVICE TYPE disk; 4> BACKUP DATABASE; 5> } Which statement is true about the outcome?（）

• A、Only one channel is allocated and the backup is created in the flash recovery area
• B、Only one channel is allocated and the backup is created in the destination specified for channel 1
• C、Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2
• D、Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA

第5题：

A shoot-out has erupted between your MS development teams using .NET and your Linux development teams using Java.  Knowing that your database is in danger，which command would you use to back up your NOARCHIVELOG mode database using RMAN with compression？（）

• A、 backup database all
• B、 backup compressed database
• C、 backup as compressed backupset database
• D、 backup as compressed backup database plus archivelog all
• E、 backup as compressed backupset database plus compress archivelog all

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 are performing a backup of your database across the network. While taking the backup， you want to save space on the storage media and reduce the network bandwidth. Which command will you issue to configure the required type of backup？（）

• A、 CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO BACKUPSET；
• B、 CONFIGURE DEVICE TYPE TO disk BACKUP TYPE TO COPY；
• C、 CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO COMPRESSED BACKUPSET；
• D、 CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO COMPRESSED COPY；

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第13题：

You perform a backup using the following BACKUP command: RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE,Which statement is true of this command?（）

• A、A different procedure is required to restore a database from compressed backups 
• B、The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies. 
• C、Using this command to create backups minimizes the bandwidth consumed.
• D、Using this command to create backups improves the performance of the backup process 

第14题：

You configured the default backup device type as disk for RMAN backups. In your database，because of business requirements，you have to take a simultaneous duplicate backup of the data files when the RMAN BACKUP command is used.  What must you set using the RMAN CONFIGURE command to achieve this？（）  

• A、 MAXSETSIZE TO 2
• B、 DEVICE TYPE DISK PARALLELISM 2
• C、 RETENTION POLICY TO REDUNDANCY 2
• D、 DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2

第15题：

View the Exhibit and examine the output. You execute the following RMAN command to perform the backup operation：   RMAN> RUN { ALLOCATE CHANNEL c1 DEVICE TYPE disk MAXOPENFILES 8； BACKUP DATABASE FILESPERSET 4； }   What is the multiplexing level in the preceding backup process？（）

• A、 4
• B、 8
• C、 7
• D、 0

第16题：

You perform a backup using the following BACKUP command：   RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE；   Which statement is true of this command？（）  

• A、 A different procedure is required to restore a database from compressed backups
• B、 The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed  backup sets and image copies.
• C、 Using this command to create backups minimizes the bandwidth consumed
• D、 Using this command to create backups improves the performance of the backup process

第17题：

You are migrating your production database from non-ASM to ASM storage. You used the RMAN utility to migrate the database from non-ASM to ASM storage. Which type of backup command script will you use for migrating the database from non-ASM to ASM storage？（）

• A、 BACKUP AS BACKUPSET
• B、 BACKUP AS COPY
• C、 BACKUP AS COMPRESSED BACKUPSET
• D、 BACKUP INCREMENTAL LEVEL n CUMULATIVE

第18题：

When CONFIGURE CONTROLFILE AUTOBACKUP is set to ON， RMAN automatically performs a control file autobackup in which three situations？（）

• A、At the end of every RUN block. 
• B、After every SET CONTROLFILE AUTOBACKUP FORMAT command. 
• C、After every BACKUP or COPY command issued at the RMAN prompt. 
• D、At the end of every RUN block if the last command in the block was either BACKUP or COPY. 
• E、Whenever a BACKUP or COPY command within a RUN block is followed by a command that is neither BACKUP nor COPY. 
• F、After every BACKUP or COPY command within a RUN block that is followed by the CONFIGURE CONTROLFILE AUTOBACKUP FORMAT command.

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