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To accomplish user-managed backup for the USERS tablespace， 

题目
单选题
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.

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相似问题和答案

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.

正确答案:B

第2题：

In which scenario will you perform a cancel-based recovery？（）

  • A、 when a tablespace is dropped and you have only RMAN-based backup of the database
  • B、 when a table is dropped and stored in the Recycle Bin
  • C、 when you are required to recover an existing table to its previous state
  • D、 when a tablespace is dropped and you have only a user-managed full backup of the database

正确答案:D

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)?（）

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


参考答案：A, C, F

第4题：

For an incomplete recovery， which four backup types can be used by Recovery Manager （RMAN） to restore data files？（）

  • A、 RMAN image copies.
  • B、 RMAN database backups.
  • C、 RMAN tablespace backups.
  • D、 User-managed backups placed in the flash recovery area.
  • E、 User-managed backups that have been cataloged with RMAN.
  • F、 User-managed data file backups for which the pull path name is specified.

正确答案:A,B,C,E

第5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.

正确答案:B,C

第6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

正确答案:A,B,D

第7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

正确答案:A,C

第8题：

You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB. You have tape drives of 300 MB each. To accomplish the backup, you issued the following RMAN command:RMAN> BACKUPSECTION SIZE 300M TABLESPACE users;Identify the appropriate configuration to accomplish faster and optimized backups using the above command.（）

A. The SBT channel must be configured, with the MAXPIECESIZE set to 300 mb.

B. The SBT channel must be configured, with the parallelism setting for the SBT devices set to 3.

C. The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0.

D. The SBT channel must be configured, with the default parallelism setting for the SBT devices set to 1


参考答案：B

第9题：

You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday， you issued the following commands：   CONFIGURE DEFAULT DEVICE TYPE TO sbt；   CONFIGURE BACKUP OPTIMIZATION ON；   CONFIGURE RETENTION POLICY TO REDUNDANCY 3；   From Monday to Saturday， you performed the following actions：   Day                         Action  Monday                BACKUP DATABASE  Tuesday                BACKUP DATABASE  Wednesday              BACKUP DATABASE  Thursday               BACKUP DATABASE  Friday                 BACKUP DATABASE  Saturday               BACKUP DATABASE  How many times will the backup of the USERS tablespace be performed？（）

  • A、 The backup will not be performed at all.
  • B、 three times
  • C、 four times
  • D、 six times

正确答案:C

第10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

正确答案:A,D,F

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