单选题Which statement is true regarding RMAN components?()AEach target database requires its own recover catalog. BRMAN scripts can be stored in the recovery catalog or the target control file. CA channel is a stream of data to a device type and corresponds to one server session. DThe RMAN executable interprets sever session commands and establishes connections to the target database.

单选题
Which statement is true regarding RMAN components?()
A

Each target database requires its own recover catalog. 

B

RMAN scripts can be stored in the recovery catalog or the target control file. 

C

A channel is a stream of data to a device type and corresponds to one server session. 

D

The RMAN executable interprets sever session commands and establishes connections to the target database.


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单选题Examine the following scenario: The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host, using the Recovery Manager (RMAN) duplicate command as follows:   RMAN RUN { ALLOCATE AUXILIARY CHANNEL aux 1 DEVICE TYPE DISK;  DUPLICATE TARGET DATABASE TO auxdb; }   Which statement is true about the duplicate database in this scenario?()A It contains data till the last backupB It contains all data from target database until the current timeC It contains all data from only the committed transactions in the target databaseD It contains all data except that which is used by the transactions in the current online redo file of target database

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单选题You executed the following command in Recovery Manager (RMAN):  RMAN RESTORE CONTROLFILE;  Which operation must you perform before this command is executed?()A back up the control file to traceB bring database to the MOUNT stateC open a connection to the RMAN recovery catalog, which contains the RMAN metadata for the target databaseD set the database ID (DBID), but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

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单选题Which statement is true regarding virtual private catalogs?()A A virtual private catalog owner can create a local stored script, and have read/write access to a global stored script.B The virtual private catalog owner cannot create and modify the stored scripts.C The set of views and synonyms that make up the virtual private catalog is stored in the schema of the RMAN recovery catalog owner.D To perform most of the RMAN operations, the virtual catalog owner must have the SYSDBA or SYSOPER privilege on the target database.

单选题Which statement is true regarding virtual private catalogs? ()AA virtual private catalog owner can create a local stored script, and have read/write access to a global stored script. BThe virtual private catalog owner cannot create and modify the stored scripts. CThe set of views and synonyms that make up the virtual private catalog is stored in the schema of the RMAN recovery catalog owner. DTo perform most of the RMAN operations, the virtual catalog owner must have the SYSDBA or SYSOPER privilege on the target database.

多选题Which two RMAN commands initiate a resynchronization of the recovery catalog with the target database control file?()ACOPYBBACKUPCCHANGEDDELETEECATALOG

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