Which of the following is not a valid linguistic sort element？（）

A、 Accent expansion

B、 Canonical equivalence

C、 Reverse secondary sorting

D、 Ignorable characters

E、 Character rearrangement

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• Which DBMS_RESOURCE_MANAGER procedure prioritizes consumer-group mappings？（）  

  A、 CREATE_MAPPING_PRIORITY

  B、 SET_MAPPING_PRIORITY

  C、 SET_MAPPING_ORDER

  D、 PRIORITIZE_MAPPING_ORDER

  E、 This functionality is not available through the DBMS_RESOURCE_MANAGER package.

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• In Recovery Manager (RMAN), you are taking image copies of the data files of your production database and rolling them forward at regular intervals. You attempt to restart your database. After a regular maintenance task, you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the data file by using the image copy. Because a media failure caused the data file to be damaged, you want to place the data file in a different location while restoring the file. Which option must you consider for this task?（）

  A、using only the RMAN SWITCH command to set the new location for the data file

  B、placing the database in the MOUNT state for the restore and recovery operations.

  C、using an RMAN RUN block with the SET NEWNAME and then the SWITCH command.

  D、configuring two channels: one for the restore operation and the other for the recovery operation

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• 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

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• Which three elements can a job chain process involve？（）

  A

   an event

  B

   a schedule

  C

   a program

  D

   another chain

  E

   a lightweight job

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• Every Sunday the Unix system administrator has a job that executes a full backup of the entire Unix system your database is on. Is this backup usable for backup and recovery of your database？（）  

  A、 Yes， if the database is in ARCHIVELOG mode

  B、 Yes， if the database is in NOARCHIVELOG mode

  C、 No， the backup is not usable in any way

  D、 Only if the ENABLE_ONLINE_BACKUP parameter is set to TRUE

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