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单选题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  CON

题目
单选题
Which command is used to configure RMAN to perform a compressed backup for every backup executed？（）
A

 BACKUP AS COMPRESSED BACKUPSET DATABASE

B

 BACKUP AS COMPRESSED COPY OF DATABASE

C

 CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET

D

 CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS 

E

 BACKUP DATABASE COMPRESS

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相似问题和答案

第1题：

Which command is used to configure RMAN to perform a compressed backup for every backup executed？（）

  • A、 BACKUP AS COMPRESSED BACKUPSET DATABASE
  • B、 BACKUP AS COMPRESSED COPY OF DATABASE
  • C、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET
  • D、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS 
  • E、 BACKUP DATABASE COMPRESS

正确答案:C

第2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.

正确答案:B

第3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


参考答案：C

第4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.

正确答案:B

第5题：

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

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

正确答案:C

第6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.

正确答案:A,E

第7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 

正确答案:C

第8题：

You issued the following commands to configure setting in RMAN;RMAN> CONFIGURE DEVICE TYPE sbt PARALLELISM 1;RMAN> CONFIGURE DEFAULT DEVICE TYPE TO sbt;RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE sbt TO 2;RMAN> CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE sbt TO 2;RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2;Then you issued the following command to take the backup:RMAN> BACKUP DATABASE PLUS ARCHIVELOG;Which statement is true about the execution of the above command?（）

A. The backup will terminate because the FORMAT clause was not configured for the channel

B. It backs up two copies of data files to tape and disk, and two copies of archived log file on tape

C. It backs up the data files and archived log files to disk, making two copies of each data file and archived log file

D. It backs up the data files and archived log files to tape, making two copies of each data file and archived log file


参考答案：D

第9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

正确答案:C

第10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

正确答案:A

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