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单选题
Which of the following would you use to enable automatic media recovery for a database?()
A

SET AUTORECOVERY ON

B

SET RECOVERY ON

C

SET AUTO ON

D

You cannot enable automatic media recovery.


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考题 单选题While working on the database, you receive the following error:        01578: ORACLE data block corrupted (file# 6, block # 54)        ORA-01110 : data file 6: ’u01/oracle/oradata/data1.dbf’   You decide to recover the corrupted data block by using the Block Media Recovery feature. Which option is NOT a disadvantage of using block media recovery?()A  Block Media Recovery must be used with RMAN.B  You must perform complete recovery of individual blocks.C  You must have a full RMAN backup, not an incremental backup.D  You must use the DBVERIFY utility before using the Block Media Recovery feature.

考题 单选题Which initialization parameter must you set to enable automatic archiving? ()A LOG_ARCHIVE_DESTB LOG_ARCHIVE_STARTC LOG_ARCHIVE_FORMATD LOG_ARCHIVE_MAX_PROCESSES

考题 单选题You are maintaining your database in Oracle10g. You are not using the recovery catalog to maintain the backup metadata information. You want to enable the reusable section of the control file to expand itself if the oldest record cannot be reused, and whenever a new record is added to the reusable section of the control file. Which value will you set for the CONTROL_FILE_RECORD_KEEP_TIME parameter?()A  ZeroB  One or moreC  NONED  DEFAULT

考题 单选题You want to use the automatic management of backup and recovery operations features for your database.Which configuration must you set?()A Enable the flash recovery area and specify it as the archived redo log destination.B Disable the flash recovery area and start the database instance in ARCHIVELOG mode.C Enable the flash recovery area but do not specify it as the archived redo log destination.D Disable the flash recovery area and start the database instance in NOARCHIVELOG mode

考题 单选题You want to enable automatic PGA memory management in your database. Which setting is required to achieve this?()A  Set MEMORY_TARGET to zeroB  Set the STATISTICS_LEVEL parameter to BASICC  Set the WORKAREA_SIZE_POLICY parameter to MANUALD  Set the PGA_AGGREGATE_TARGET parameter to nonzero value

考题 单选题You want to use the automatic management of backup and recovery operations features for your database. Which configuration must you set?()A  Enable the flash recovery area and specify it as the archived redo log destination.B  Disable the flash recovery area and start the database instance in ARCHIVELOG mode.C  Enable the flash recovery area but do not specify it as the archived redo log destination. D  Disable the flash recovery area and start the database instance in NOARCHIVELOG mode.

考题 多选题You noticed that the index tablespace in your database requires a recovery. However, instead of performing a media recovery, you decided to re-create the indexes in a new tablespace. Which two options would you use to reduce the time it takes to re-create the indexes?()AONLINEBREVERSECPARALLELDCOMPRESSENOLOGGINGFCOMPUTE STATISTICS

考题 单选题What command would you issue to enable automated backups of control files?()A  alter database controlfile autobackup onB  alter system controlfile autobackup onC  configure controlfile autobackup onD  enable controlfile autobackup

考题 多选题You noticed that the index tablespace in your database requires a recovery. However, instead of performing a media recovery, you decided to re/x7fcreate the indexes in a new tablespace. Which two options would you use to reduce the time it takes to re/x7fcreate the indexes?()AONLINEBREVERSECPARALLELDCOMPRESSENOLOGGINGFCOMPUTE STATISTICS