多选题Examine the query and its output executed In an RDBMS Instance:Which three statements are true about the users (other than sys) in the output?()AThe C # # B_ADMIN user can perform all backup and recovery operations using RMAN only.BThe C # # C_ADMIN user can perform the data guard operation with Data Guard Broker.CThe C # # A_ADMIN user can perform wallet operations.DThe C # # D_ADMIN user can perform backup and recovery operations for Automatic Storage Management (ASM).EThe C # # B_ADMIN user can perform all backup and recovery operations using RMAN or SQL* Plus.

多选题
Examine the query and its output executed In an RDBMS Instance:Which three statements are true about the users (other than sys) in the output?()
A

The C # # B_ADMIN user can perform all backup and recovery operations using RMAN only.

B

The C # # C_ADMIN user can perform the data guard operation with Data Guard Broker.

C

The C # # A_ADMIN user can perform wallet operations.

D

The C # # D_ADMIN user can perform backup and recovery operations for Automatic Storage Management (ASM).

E

The C # # B_ADMIN user can perform all backup and recovery operations using RMAN or SQL* Plus.


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Which of the following statements is NOT true about RMAN?()A、It improves usability by enabling you to reuse the scripts to perform recovery operations.B、It detects block corruption while restoration and recovery operations.C、It enables you to perform block media recovery.D、It is capable to recover through unrecoverable operations, with only full database backups.

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.

All the database users are presently connected to the database instance and working. The HR userhas opened three database sessions and executed the following command in one of his sessions: SQL UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’; 123 rows updated.  SQL DELETE FROM persons WHERE exp=’Y’; 3 rows deleted.  The SYS user opens a new session after HR executed the above commands.  Which sessions can seethe effect of the UPDATE and DELETE commands ()A、all sessions of the HR user onlyB、all sessions of the HR user and the SYS userC、the session of the HR user that executed the commandsD、all the sessions for which the database users have access privilege to the PERSONS table

All the database users are presently connected to the database instance and working. The HR user hasopened three database sessions and executed the following command in one of his sessions:SQL UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’; 123 rows updated.SQL DELETE FROM persons WHERE exp=’Y’;3 rows deleted. The SYS user opens a new session after HR executed the above commands.  Which sessions can see theeffect of the UPDATE and DELETE commands()A、All sessions of the HR user onlyB、All sessions of the HR user and the SYS userC、The session of the HR user that executed the commandsD、All the sessions for which the database users have access privilege to the PERSONS table

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 MBB、The RMAN uses multiplexing to perform backupC、The operation is accomplished using the default channel availableD、The RMAN parallelizes the backup although the parallelism is not set for a channel

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Examine the command: SQL ALTER USER skd ACCOUNT LOCK; Which two statements are true after the command is executed()A、The SKD user cannot log in to the database instance.B、The objects owned by the SKD user are not accessible to any user.C、The other users can access the objects owned by the SKD user, on which they have access.D、The password for the SKD user expires and the user is forced to change the password at the next log in

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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 daysB、 A list of files requiring more than 3 days of archivelogs to applyC、 A list of files that RMAN recommends be backed up only once in every three days,based on low volatilityD、 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

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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 daysB、a list of files that have not been backed up for three daysC、a list of files that RMAN recommends be backed up only once in every three days, based on low volatilityD、a list of files for which a backup has already been performed and may need a backup after three days

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 modeB、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.

多选题Your database in running in the ARCHIVELOG mode. You issue the following command to back up datafile 2 in your database.   RMAN COPY DATAFILE 2 TO ’D:///ORACLE/ORA90/MYNEWDB/DA2.DBF’;   Which two statements are true regarding the backup created using this command?()AThe copy of the datafile created is stored in the RMAN repository.BThe copy of the datafile created can be viewed using the LIST BACKUP command.CThe copy of the datafile created using this COPY command can be placed only on the disk.DThe copy of the datafile created is similar to the backup of the file created using the BACKUP command.EThe copy of the datafile created can be used for recovering the database using the user-managed recovery method.

多选题Examine the command: SQL ALTER USER skd ACCOUNT LOCK; Which two statements are true after the command is executed()AThe SKD user cannot log in to the database instance.BThe objects owned by the SKD user are not accessible to any user.CThe other users can access the objects owned by the SKD user, on which they have access.DThe password for the SKD user expires and the user is forced to change the password at the next log in

单选题Which of the following statements is NOT true about RMAN?()AIt improves usability by enabling you to reuse the scripts to perform recovery operations.BIt detects block corruption while restoration and recovery operations.CIt enables you to perform block media recovery.DIt is capable to recover through unrecoverable operations, with only full database backups.

单选题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 daysB a list of files requiring more than 3 days of archive logs to applyC a list of files that RMAN recommends be backed up only once in every three days,based on low volatilityD 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

多选题You issue this RMAN command:   RMAN create script Level0Backup {   backup   incremental level 0   format ‘/u01/db01/backup/%d_%_Sp’   fileperset 5   (database include current controlfile);   sql ‘alter database archive log current’;   }  Which three statements are true about the Level0Backup script you just created?()AThe script is stored only in the control file.BThe script is stored only in the recover catalog.CThe script can be executed only by using the RMAN RUN command.DThe commands of the script can be displayed with the LIST command.EThe commands of the script can be displayed with the PRINT command.FThe commands of the script can be displayed with the REPORT command.

多选题Examine the query and its output executed In an RDBMS Instance:Which three statements are true about the users (other than sys) in the output?()AThe C # # B_ADMIN user can perform all backup and recovery operations using RMAN only.BThe C # # C_ADMIN user can perform the data guard operation with Data Guard Broker.CThe C # # A_ADMIN user can perform wallet operations.DThe C # # D_ADMIN user can perform backup and recovery operations for Automatic Storage Management (ASM).EThe C # # B_ADMIN user can perform all backup and recovery operations using RMAN or SQL* Plus.

多选题Which three statements are true about the working of system privileges in a multitenant control database(CDB) that has pluggable databases (PDBs)?()ASystem privileges apply only to the PDB in which they are used.BLocal users cannot use local system privileges on the schema of a common user.CThe granter of system privileges must possess the set container privilege.DCommon users connected to a PDB can exercise privileges across other PDBs.ESystem privileges with the with grant option container all clause must be granted to a common user before the common user can grant privileges to other users.

多选题Examine the command: SQL ALTER USER skd ACCOUNT LOCK; Which two statements are true after the command is executed()AThe SKD user cannot log in to the database instance.BThe objects owned by the SKD user are not accessible to any user.CThe other users can access the objects owned by the SKD user, on which they have access.DThe password for the SKD user expires and the user is forced to change the password at the next log in.

多选题You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation?()AThe backup as copy can only be taken to diskBThe backup as copy can only be taken to tapeCBackup can be performed only when the instance is shutdownDBackup will constitute all used and unused blocks in the database

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.)AThe backup piece size will be limited to 300 MBBThe RMAN uses multiplexing to perform backupCThe operation is accomplished using the default channel availableDThe RMAN parallelizes the backup although the parallelism is not set for a channel

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 terminate abnormally. Which statement is true about the next database startup and the USERS tablespace?()AThe database will open, and the tablespace automatically comes out of the backup mode.BThe database will be mounted, and recovery must be performed on the USERS tablespace.CThe database will be mounted, and data files in the USERS tablespace must be taken out of the backup mode.DThe database will not be mounted, and you must restore all the data files for the USERS tablespace from the backup, and perform recovery.

多选题Identify the channel settings that can be performed using the CONFIGURE CHANNEL or ALLOCATECHANNEL commands in RMAN() (choose all that apply)ALimiting the input/output (I/O) bandwidth consumptionBSpecifying the size of backup sets and backup piecesCSpecifying vendor-specific information for a media managerDSpecifying the parallelism for backup and restore operations