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多选题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: R

题目
多选题
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

参考答案和解析
正确答案： C,A
解析： 暂无解析
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相似问题和答案

第1题：

You issued the following commands to configure setting in RMAN;RMAN> CONFIGURE DEVICE TYPE sbt PARALLELISM 1;RMAN> CONFIGURE DEFAULT DEVICE TYPE TO sbt;RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE sbt TO 2;RMAN> CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE sbt TO 2;RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2;Then you issued the following command to take the backup:RMAN> BACKUP DATABASE PLUS ARCHIVELOG;Which statement is true about the execution of the above command?（）

A. The backup will terminate because the FORMAT clause was not configured for the channel

B. It backs up two copies of data files to tape and disk, and two copies of archived log file on tape

C. It backs up the data files and archived log files to disk, making two copies of each data file and archived log file

D. It backs up the data files and archived log files to tape, making two copies of each data file and archived log file


参考答案：D

第2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3题：

You issued the following commands to configure setting in RMAN;Then you issued the following command to take the backup:RMAN> BACKUP DATABASE PLUS ARCHIVELOG;Which statement is true about the execution of the above command?（）

A. The backup will terminate because the FORMAT clause was not configured for the channel

B. It backs up two copies of data files to tape and disk, and two copies of archived log file on tape

C. It backs up the data files and archived log files to disk, making two copies of each data file and archived log file

D. It backs up the data files and archived log files to tape, making two copies of each data file and archived log file


参考答案：D

第4题：

You have configured your database to use RMAN for backup and recovery. You must back up the datafile contained in the TS1 tablespace. The size of the datafile in the TS1 tablespace is 200 MB.  You issue the following command from the RMAN prompt to perform a backup of the tablespace：   RMAN> BACKUP TABLESPACE TS1 MAXSETSIZE 100M；  Which statement is true about executing this command？（）

  • A、 The command generates an error.
  • B、 The command backs up the tablespace and creates a backup set of size 200 MB
  • C、 The command backs up the tablespace and creates two backup sets of size 100 MB each.
  • D、 The command backs up the tablespace and creates a backup set with backup pieces of size 100 MB each.

正确答案:A

第5题：

Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt：   RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON；   After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）

  • A、 when you change the name of a datafile
  • B、 when you drop a table from the database
  • C、 when you take an export of the database
  • D、 when you back up the database using OS utilities
  • E、 when you issue an ALTER SYSTEM SWITCH LOGFILE statement
  • F、 when you issue a BACKUP command from inside the RMAN run block

正确答案:A,E,F

第6题：

In Recovery Manager （RMAN）， you have set control file autobackup to ON by using the following command：  CONFIGURE CONTROLFILE AUTOBACKUP ON;  Which two events would cause the control file to be backed up automatically？ （）

  • A、a tablespace is taken offline
  • B、the database instance is restarted
  • C、a new data file is added to an existing tablespace
  • D、a successful backup is recorded in the RMAN repository
  • E、the RMAN connection is disconnected from the target database

正确答案:C,D

第7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

正确答案:D

第8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


参考答案：A, C

第9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10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> BACKUP SECTION 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

正确答案:B

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