多选题View the Exhibit.You executed the following command to perform a backup of the USERS tablespace： RMAN> BACKUP TABLESPACE USERS；  Which three types of files are backed up？ （）Aall the data files belonging to the USERS tablespaceBpassword fileConline redo

第1题：

You executed the following command to perform a backup of the USERS tablespace：  SQL> ALTER TABLESPACE users BEGIN BACKUP； ALTER TABLESPACE users BEGIN BACKUP *  ERROR at line 1：  ORA-01123： cannot start online backup； media recovery not enabled  What could be the reason for this error（）

• A、The MTTR Advisor is disabled.
• B、The database is in NOARCHIVELOG mode.
• C、The tablespace is already in backup mode.
• D、The Flash Recovery Area is not configured.

第2题：

The RMAN BACKUP command using the DELETE INPUT option can be used with which three types of files？ （）

• A、data files
• B、backup sets
• C、control files
• D、archived redo log files

第3题：

Your database is running in ARCHIVELOG mode. One of the data files, USERDATA01.dbf, in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available. Which three files would be used in the user-managed recovery process performed by the database administrator （）(DBA)? (Choose Three)

• A、Redo logs
• B、Control file
• C、The latest backup of only the damaged data file
• D、The latest backup of all the data file in the USERS tablespace
• E、Temporary files of temporary tablespace
• F、Archive Logs since the latest backup to point of failure

第4题：

Your database is running In ARCIIIVELOG mode. One of the data files， USBRDATAOI. DBF， in the users tablespace is damaged and you need to recover the file until the point of failure. The backup for the data file is available.  Which three files would be used in the user-managed recovery process performed by the database administrator （DBA）？（） 

• A、 redo logs
• B、 control file
• C、 temporary files of temporary tablespace
• D、 the latest backup of only the damaged data file
• E、 the latest backup of all the data files In the USERS tablespace

第5题：

Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERStablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten since the last backup.  What would you do to recover the data file（）

• A、Take the USERS tablespace offline and re-create the lost data file.
• B、Shut down the instance， restore the data file from the last consistent backup， and restart the databaseinstance.
• C、Shut down the instance， restore all the database files from the last consistent backup， and restart thedatabase instance.
• D、Take the USERS tablespace offline， restore all the data files of the USERS tablespace from the lastconsistent backup， and make the tablespace online.

第6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.

第7题：

You executed the following command in Recovery Manager （RMAN） against your Oracle 10g database：  RMAN> REPORT NEED BACKUP days 3;  What would be the output of this command？（） 

• A、a list of files that require a backup within three days
• B、a list of files that have not been backed up for three days
• C、a list of files that RMAN recommends be backed up only once in every three days， based on low volatility
• D、a list of files for which a backup has already been performed and may need a backup after three days

第8题：

View the Exhibit.You executed the following command to perform a backup of the USERS tablespace： RMAN> BACKUP TABLESPACE USERS；  Which three types of files are backed up？ （）

• A、 all the data files belonging to the USERS tablespace
• B、 password file
• C、 online redo log files
• D、 the current control file
• E、 archived redo log files
• F、 the current server parameter file
• G、 data files belonging to the USERS tablespace and all the default tablespaces

第9题：

第10题：

第11题：

第12题：

第13题：

Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS tablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten sincethe last backup.  What would you do to recover the data file（）

• A、Take the USERS tablespace offline and re-create the lost data file.
• B、Shut down the instance， restore the data file from the last consistent backup， and restart the databaseinstance.
• C、Shut down the instance， restore all the database files from the last consistent backup， and restart thedatabase instance.
• D、Take the USERS tablespace offline， restore all the data files of the USERS tablespace from the lastconsistent backup， and make the tablespace online

第14题：

Your database is running in ARCHIVELOG mode. One of the data files,USERDATA01.dbf, in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available. Which three files would be used in the user-managed recovery process performed by the database administrator (DBA)?（）

• A、Redo logs
• B、Control file
• C、The latest backup of only the damaged data file
• D、The latest backup of all the data file in the USERS tablespace
• E、Temporary files of temporary tablespace
• F、Archive Logs since the latest backup to point of failure

第15题：

To accomplish user-managed backup for the USERS tablespace， you issued the following command to put the database in backup mode：   SQL> ALTER TABLESPACE users BEGIN BACKUP；   While copying the file to the backup destination a power outage caused the instance to te minate abnormally.  Which statement is true about the next database startup and the USERS tablespace？（）  

• A、 The database will open，and the tablespace automatically comes out of the backup mode.
• B、 The database will be mounted，and recovery must be performed on the USERS tablespace.
• C、 The database will be mounted，and data files in the USERS tablespace must be taken out of the backup mode.
• D、 The database will not be mounted，and you must restore all the data files for the USERS tablespace from the backup，and perform recovery.

第16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17题：

You executed the following command in the Recovery Manager （RMAN）：   RMAN> REPORT NEED BACKUP days 3；   What is the output of this command？（）  

• A、 A list of files that require a backup within 3 days
• B、 A list of files requiring more than 3 days of archivelogs to apply
• C、 A list of files that RMAN recommends be backed up only once in every three days，based on low volatility
• D、 A list of files for which a backup as already been performed in the last three days and which is  required to be backed up again based on the high number of transactions performed on them

第18题：

You executed the following command in Recovery Manager （RMAN）：   RMAN> REPORT NEED BACKUP days 3；   What is the output of this command？（）  

• A、 a list of files that require a backup within three days
• B、 a list of files requiring more than 3 days of archive logs to apply
• C、 a list of files that RMAN recommends be backed up only once in every three days，based on low volatility
• D、 a list of files for which a backup has already been performed in the last three days and which is required to be backed up again based on the high number of transactions performed on them

第19题：

View this parameter setting in your database：   DB_CREATE_FILE_DEST=’D:// /oracle/product/10.2.0/oradata/oracle’  You created a tablespace by using this command：   CREATE TABLESPACE USERS；  Which two statements are true about the USERS tablespace？（）

• A、The tablespace has two data files.
• B、An error is reported and tablespace creation fails.
• C、Data files are created with names generated by the instance.
• D、The tablespace can be extended without specifying the data file.
• E、Data files belonging to the USERS tablespace cannot be renamed.

第20题：

To accomplish user-managed backup for the USERS tablespace, you issued the following command to put the database in backup mode: SQL> ALTER TABLESPACE users BEGIN BACKUP; While copying the file to the backup destination a power outage caused the instance to terminate abnormally. Which statement is true about the next database startup and the USERS tablespace?（）

• A、The database will open, and the tablespace automatically comes out of the backup mode
• B、The database will be mounted, and recovery must be performed on the USERS tablespace.
• C、The database will be mounted, and data files in the USERS tablespace must be taken out of the backup mode.
• D、The database will not be mounted, and you must restore all the data files for the USERS tablespace from the backup, and perform recovery.

第21题：

第22题：

第23题：

第24题：