单选题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?（）

第1题：

You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN> BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? （）(Choose two.)

• A、The backup piece size will be limited to 300 MB
• B、The RMAN uses multiplexing to perform backup
• C、The operation is accomplished using the default channel available
• D、The RMAN parallelizes the backup although the parallelism is not set for a channel

第2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3题：

第4题：

You want to move all the objects of the APPS user in the test database to the DB_USER schema of the production database. Which option of IMPDP would you use to accomplish this task？（）

• A、FULL
• B、SCHEMAS
• C、REMAP_SCHEMA
• D、REMAP_DATAFILES
• E、REMAP_TABLESPACE

第5题：

You have a read-only tablespace on read-only media. You want to perform a media recovery on the existing data files， but using a backup control file. The backup control file indicates that the status of the read-only tablespace was read/write when the control file was backed up. What should you consider？（）

• A、 take data files from the read-only tablespace offline before performing a recovery
• B、 recovery using backup control file is not possible， so restore all the files from the last full database backup， and then open the database
• C、 drop the read-only tablespace and re-create the tablespace after recovery
• D、 perform a recovery； status of the tablespace in control file will be changed automatically

第6题：

You work as a database administrator for Certkiller .com. In your production  database， the size of Database Buffer Cache needs to be increased immediately for the current as well as future instances of the database. The Oracle instance has been configured to accommodate any changes in the size of the memory structures. At this is production database， you want to accomplish this task with no impact on the user’s connections.  Which activity must you have completed before accomplishing this task？（）

• A、You must have started the database instance in restricted mode.
• B、You must have started the database instance inNORMALmode.
• C、You must have started the database instance with server parameter file.
• D、You must have started the database instance but must not have mounted.
• E、You must have started the database instance but must not have opened.

第7题：

You want to administer your PROD database from a remote host machine using a Web-enabled interface. Which Oracle tool would you use to accomplish this task efficiently without using command-line interfaces？（）

• A、SQL*Plus
• B、iSQL*Plus
• C、Management Server
• D、Management Repository
• E、Oracle Enterprise Manager 10g Database Control

第8题：

第9题：

You are managing an Oracle Database 11g database. The database is open， and you plan to perform Recovery Manager （RMAN） backups.  Which three statements are true about these backups（）

• A、The backups would be consistent.
• B、The backups would be inconsistent.
• C、The backups would be possible only if the database is running in ARCHIVELOG mode.
• D、The backups would be possible only if the database is running in NOARCHIVELOG mode.
• E、The backups need to be restored and the database has to be recovered in case of a media failure

第10题：

You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for the RMAN. To accomplish the backup， you issued the following RMAN command：   RMAN> BACKUP SECTION SIZE 300M TABLESPACE users；   Which two statements are true regarding the execution of the above command？（）

• A、 The RMAN parallelizes the backup although the parallelism is not set for a channel.
• B、 The backup piece size will be limited to 300 MB.
• C、 The operation is accomplished using the default channel available.
• D、 Three channels for the tape drive must be configured by setting the parallelism to three.