多选题Which two statements are true about encrypting RMAN backup?（）AThe transparent encryption of backups uses the encryption walletBThe database uses the same encryption key for every encrypted backupCThe password encryption of backups only uses the passwor

题目

多选题

Which two statements are true about encrypting RMAN backup?（）

The transparent encryption of backups uses the encryption wallet

The database uses the same encryption key for every encrypted backup

The password encryption of backups only uses the password while creating and restoring backup

If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.

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相似问题和答案

第1题：

To enable faster incremental backups, you enabled block change tracking for the database.Which two statements are true about the block change tracking file? ()(Choose two.)

A. Multiple change tracking files can be created for a database.

B. The change tracking file must be created after the first level 0 backup.

C. RMAN does not support backup and recovery of the change tracking file.

D. The database clears the change tracking file and starts tracking changes again, after whole database restore and recovery operations.

参考答案：C, D

第2题：

Which two statements regarding compressed backups in Recovery Manager （RMAN） are true？（）

A、 Backup compression is disabled by default.
B、 Backup compression can be used with both backup sets and image copies.
C、 Backup compression cannot be enabled using the CONFIGURE command.
D、 Backup compression works only if the COMPATIBILITY parameter is set to 9.0.0.0 or higher.
E、 Backup compression applies to only backup sets.
F、 Backup compression applies to only image copies.

正确答案:A,E

第3题：

You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database.Which two statements are true about this backup operation?()

A. Backup compression should be enabled

B. Parallelism for the channel should be set to 2

C. All the files must be backed up as backup sets

D. The backup may be stored either on disk or on media with media manager

参考答案：D, E

第4题：

Which two statements are true about the duplexing of the backups taken by RMAN？（）

A、 It’s only supported for the backups performed on the tape
B、 It is not supported for backup operations that produce image copies
C、 Duplex backups need a parallelism for the device to be equal to number of copies
D、 Duplex backups can be performed to either disk or tape， but cannot be performed on tape and disk simultaneously

正确答案:B,D

第5题：

Which two statements are true about the duplexing of the backups taken by RMAN? （）(Choose two.)

A、It's only supported for the backups performed on the tape
B、It is not supported for backup operations that produce image copies
C、Duplex backups need a parallelism for the device to be equal to number of copies
D、Duplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously

正确答案:B,D

第6题：

You want to take a complete database backup using RMAN. The backup should consist onlythe used blocks from your database. Which two statements are true about this backup operation？（）

A、 Backup compression should be enabled
B、 Parallelism for the channel should be set to 2
C、 All the files must be backed up as backup sets
D、 The backup may be stored either on disk or on media with media manager

正确答案:C,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：

Examine the following RMAN command:Which two statements are true regarding the backup taken by using the above RMAN command?()

A. Only data files and the control file are backed up.

B. Archived redo logs are backed up only I f the database is open during the backup.

C. The backup is deleted after one day, regardless of the default retention policy settings.

D. The backup becomes obsolete after one day, regardless of the default retention policy settings.

参考答案：B, D

第9题：

You performed the RMAN database backup with the KEEP option. Which two statements are true regarding this backup？（）

A、 The backup contains data files， the server parameter file，and the control file even if the control file autobackup is disabled.
B、 The KEEP option overrides the configured retention policy.
C、 The backup contains only data files and archived redo log files.
D、 The KEEP option is an attribute of an individual backup piece.

正确答案:A,B

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.

正确答案:B,C

Which two statements are true about encrypting RMAN backup?（

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