单选题Which command is used to configure RMAN to perform a compressed backup for every backup executed?()A BACKUP AS COMPRESSED BACKUPSET DATABASEB BACKUP AS COMPRESSED COPY OF DATABASEC CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSETD CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS E BACKUP DATABASE COMPRESS

单选题
Which command is used to configure RMAN to perform a compressed backup for every backup executed?()
A

 BACKUP AS COMPRESSED BACKUPSET DATABASE

B

 BACKUP AS COMPRESSED COPY OF DATABASE

C

 CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET

D

 CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS 

E

 BACKUP DATABASE COMPRESS


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The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?() A. The default administrative distance is used.B. The command is used to establish a static route.C. The command is used to configure the router interfaces.D. The command is used to establish a stub network.E. The subnet mask for the source address is 255.255.255.0

The following configuration command was issued on router TK1:ip route 172.16.3.0 255.255.255.0 192.168.2.1.Which of the following statements are true regarding this command?()A、The command is used to establish a static route.B、The default administrative distance is used.C、The command is used to configure the default route.D、The subnet mask for the source address is 255.255.255.0E、The command is used to establish a stub network

The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?()A、The default administrative distance is used.B、The command is used to establish a static route.C、The command is used to configure the router interfaces.D、The command is used to establish a stub network.E、The subnet mask for the source address is 255.255.255.0

Which command is used to configure RMAN to perform a compressed backup for every backup executed?()A、 BACKUP AS COMPRESSED BACKUPSET DATABASEB、 BACKUP AS COMPRESSED COPY OF DATABASEC、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSETD、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS E、 BACKUP DATABASE COMPRESS

In which scenario, will you issue the following command?() RMAN REPORT NEED BACKUP DAYS 7;A、 to configure RMAN to maintain backup information in the RMAN repository for seven daysB、 to configure RMAN to maintain backup information in the control file for at least seven daysC、 to display the list of files that have not been backed up for the last seven daysD、 to display the list of files that must be backed up within seven days

Examine the following RMAN command:   RMAN CONFIGURE ENCRYPTION FOR DATABASE ON; RMAN BACKUP DATABASE PLUS ARCHIVELOG;   Which prerequisite must be met before accomplishing the backup?()A、 Provide a password for the encryptionB、 Set up an Oracle wallet for the encryptionC、 No setup is required as it is a default encryption methodD、 Both Oracle wallet and password must be set up for the encryption

You issue the following command:   RMANCONFIGURE BACKUP OPTIMIZATION ON;   What is the result of this command on your backups?()A、 An incremental backup strategy will be used automatically.B、 Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria.C、 RMAN will configure itself for maximum performance at the cost of CPU.D、 RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database.E、 RMAN will automatically compress backups.

You perform a backup using the following BACKUP command:   RMAN BACKUP AS COMPRESSED BACKUPSET DATABASE;   Which statement is true of this command?()  A、 A different procedure is required to restore a database from compressed backupsB、 The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed  backup sets and image copies.C、 Using this command to create backups minimizes the bandwidth consumedD、 Using this command to create backups improves the performance of the backup process

You execute the following command to perform a backup by using Recovery Manager (RMAN): RMAN run  {allocate channel c1 type sbt;  backup datafile 1;  }  The command errors out. A part of the error message is as follows:  RMAN/x7f03009: failure of allocate command on c1 channel  ORA/x7f19554: error allocating device, device type: SBT_TAPE, device name:  What could explain why the statement failed?()A、sbt is not a valid device type.B、Media Management Library was not loaded.C、The sbt device cannot be used for data file backups.D、No path was defined in the ALLOCATE CHANNEL command.E、The channel is currently being used by another RMAN session.

You are managing a database for which incremental backups can be very time consuming. In order to perform optimized incremental backups you enable the block change tracking feature.How would you instruct RMAN to use the block change tracking feature when performing incremental backups?()A、 You need to mention it with every BACKUP command.B、 The block change tracking feature is used automatically by RMAN.C、 You need to configure it using the CONFIGURE command.D、 You need to set the necessary initialization parameters to direct RMAN to use the feature.

When CONFIGURE CONTROLFILE AUTOBACKUP is set to ON, RMAN automatically performs a control file autobackup in which three situations?()A、At the end of every RUN block. B、After every SET CONTROLFILE AUTOBACKUP FORMAT command. C、After every BACKUP or COPY command issued at the RMAN prompt. D、At the end of every RUN block if the last command in the block was either BACKUP or COPY. E、Whenever a BACKUP or COPY command within a RUN block is followed by a command that is neither BACKUP nor COPY. F、After every BACKUP or COPY command within a RUN block that is followed by the CONFIGURE CONTROLFILE AUTOBACKUP FORMAT command.

单选题In which scenario, will you issue the following command?() RMAN REPORT NEED BACKUP DAYS 7;A to configure RMAN to maintain backup information in the RMAN repository for seven daysB to configure RMAN to maintain backup information in the control file for at least seven daysC to display the list of files that have not been backed up for the last seven daysD to display the list of files that must be backed up within seven days

单选题You are managing a database for which incremental backups can be very time consuming. In order to perform optimized incremental backups you enable the block change tracking feature.How would you instruct RMAN to use the block change tracking feature when performing incremental backups?()A You need to mention it with every BACKUP command.B The block change tracking feature is used automatically by RMAN.C You need to configure it using the CONFIGURE command.D You need to set the necessary initialization parameters to direct RMAN to use the feature.

单选题You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy: CONFIGURE RETENTION POLICY TO REDUNDANCY 3; Which statement is true?()AThe command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabledBBackup optimization is performed, but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed upCBackup optimization is permanently disabledDBackup optimization is temporarily disabled because a redundancy-based retention policy is specified

单选题You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy:   CONFIGURE RETENTION POLICY TO REDUNDANCY 3;   Which statement is true?()A The command fails because you cannot configure a redundancy-based retention policy when backup  optimization is enabledB Backup optimization is performed, but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed upC Backup optimization is permanently disabledD Backup optimization is temporarily disabled because a redundancy-based retention policy is specified

多选题Examine the following command used to perform incremental level 0 backup: RMAN BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable the block change tracking, after the incremental level 0 backup you issued the following command: SQL ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE '/mydir/ rman_change_track.f'; To perform incremental level 1 cumulative backup, you issued the following command: RMAN BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which two statements are true in the above situation?()AThe block change tracking data will be used only from the next incremental 0 backup.BThe incremental backup will use change tracking data for accomplishing the backup.CThe incremental backup will not use change tracking data for accomplishing the backup.DThe block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.

单选题Examine the following RMAN command: RMAN CONFIGURE ENCRYPTION FOR DATABASE ON; RMAN BACKUP DATABASE PLUS ARCHIVELOG; Which prerequisite must be met before accomplishing the backup?()AProvide a password for the encryptionBSet up an Oracle wallet for the encryptionCNo setup is required as it is a default encryption methodDBoth Oracle wallet and password must be set up for the encryption

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

多选题The RMAN BACKUP command using the DELETE INPUT option can be used with which three types of files? ()Adata filesBbackup setsCcontrol filesDarchived redo log files

多选题The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?()AThe default administrative distance is used.BThe command is used to establish a static route.CThe command is used to configure the router interfaces.DThe command is used to establish a stub network.EThe subnet mask for the source address is 255.255.255.0

单选题You perform a backup using the following BACKUP command: RMAN BACKUP AS COMPRESSED BACKUPSET DATABASE; Which statement is true of this command?()AA different procedure is required to restore a database from compressed backupsBThe AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies.CUsing this command to create backups minimizes the bandwidth consumedDUsing this command to create backups improves the performance of the backup process

单选题You issue the following command:   RMANCONFIGURE BACKUP OPTIMIZATION ON;   What is the result of this command on your backups?()A An incremental backup strategy will be used automatically.B Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria.C RMAN will configure itself for maximum performance at the cost of CPU.D RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database.E RMAN will automatically compress backups.

单选题Your company decided to start using RMAN in its backup strategy. Previously your company used operating system file copies. Which command is used to make RMAN aware of existing backups made by copying files at the operating system?()ACHANGEBRESYNCCCATALOGDCROSSCHECK

单选题Which RMAN command is used to verify the status of a backup or copy, and also updates the repository when files have been deleted using operating system commands?()ACHANGEBRESYNCCCATALOGDCROSSCHECK

单选题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?()AThe backup will terminate because the FORMAT clause was not configured for the channelBIt backs up two copies of data files to tape and disk, and two copies of archived log file on tapeCIt backs up the data files and archived log files to disk, making two copies of each data file and archived log fileDIt backs up the data files and archived log files to tape, making two copies of each data file and archived log file

多选题The following configuration command was issued on router TK1:ip route 172.16.3.0 255.255.255.0 192.168.2.1.Which of the following statements are true regarding this command?()AThe command is used to establish a static route.BThe default administrative distance is used.CThe command is used to configure the default route.DThe subnet mask for the source address is 255.255.255.0EThe command is used to establish a stub network

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?()Aback up the control file to traceBbring database to the MOUNT stateCopen a connection to the RMAN recovery catalog, which contains the RMAN metadata for the target databaseDset the database ID (DBID), but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

单选题Which command is used to configure RMAN to perform a compressed backup for every backup executed?()A BACKUP AS COMPRESSED BACKUPSET DATABASEB BACKUP AS COMPRESSED COPY OF DATABASEC CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSETD CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS E BACKUP DATABASE COMPRESS