单选题Examine this syntax which allocates channels during a parallel image copy:   RMAN CONFIGURE DEVICE TYPE disk parallelism 4:  2 COPY  3 datafile 1 TO ‘/BACKUP/datafile1.dbf’,  4 datafile 2 TO ‘/BACKUP/datafile2.dbf’,  5 datafile 3 TO ‘/BACKUP/datafile3.dbf;  RMANCOPY  2 datafile 4 TO ‘/BACKUP/datafile4.dbf’;   How many channels are used?()A0B1C3D4

单选题
Examine this syntax which allocates channels during a parallel image copy:   RMAN> CONFIGURE DEVICE TYPE disk parallelism 4:  2> COPY  3> datafile 1 TO ‘/BACKUP/datafile1.dbf’,  4> datafile 2 TO ‘/BACKUP/datafile2.dbf’,  5> datafile 3 TO ‘/BACKUP/datafile3.dbf;  RMAN>COPY  2> datafile 4 TO ‘/BACKUP/datafile4.dbf’;   How many channels are used?()
A

0

B

1

C

3

D

4


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Giventhescriptcreatescriptdb_backup_datafile_script{backupdatafileand1,and2plusarchivelogdeleteinput;}Run{executescriptdb_backup_datafile_scriptusing2;}Whatistheresultofrunningthiscommand?() A.ThescriptwillfailsinceyouinstructedRMANtobackuponlyonedatafileratherthantwoB.Thescriptwillsuccessfullybackupdatafile3withouterrorC.ThescriptwillfailsinceitusesasubstitutionvariablewhichisnotsupportedD.Theexecutescriptcommandwillpromptforthevalueofand2sinceit’snotincludedinthecommandE.Thescriptwillfailbecauseyoucannotusetheplusarchivelogcommandwhenbackingup

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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?()A、 The copy of the datafile created is stored in the RMAN repository.B、 The copy of the datafile created can be viewed using the LIST BACKUP command.C、 The copy of the datafile created using this COPY command can be placed only on the disk.D、 The copy of the datafile created is similar to the backup of the file created using the BACKUP command.E、 The copy of the datafile created can be used for recovering the database using the user-managed recovery method.

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Which of the following RMAN structures can data from a datafile span?()A、 RMAN backup-set pieces spanning backup setsB、 RMAN backup-set pieces within a given backup setC、 RMAN backupsD、 RMAN channelsE、 None of the above

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单选题hich of the following RMAN structures can data from a datafile span?()ARMAN backup-set pieces spanning backup sets BRMAN backup-set pieces within a given backup sets CRMAN backups DRMAN channels ENone of the above

单选题Which view provides information on the backup status of the datafiles in the database?()AV$BACKUPBV$BACKUP_STATUS CV$BACKUP_DATAFILE DV$DATAFILE_BACKUP EV$TABLESPCE_BACKUP

单选题Given the script   create script db_backup_datafile_script  {backup datafile and 1, and2 plus archivelog delete input;} Run {execute script db_backup_datafile_script using 2;}   What is the result of running this command?()A The script will fail since you instructed RMAN to back up only one datafile rather than twoB The script will successfully back up datafile 3 without errorC The script will fail since it uses a substitution variable which is not supportedD The execute script command will prompt for the value of and2 since it’s not included in the commandE The script will fail because you cannot use the plus archivelog command when backing up

单选题Examine this syntax which allocates channels during a parallel image copy:   RMAN CONFIGURE DEVICE TYPE disk parallelism 4:  2 COPY  3 datafile 1 TO ‘/BACKUP/datafile1.dbf’,  4 datafile 2 TO ‘/BACKUP/datafile2.dbf’,  5 datafile 3 TO ‘/BACKUP/datafile3.dbf;  RMANCOPY  2 datafile 4 TO ‘/BACKUP/datafile4.dbf’;   How many channels are used?()A0B1C3D4

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You have configured the following:  RMAN CONFIGURE DEFAULT DEVICE TYPE TO ’sbt’; new RMAN configuration parameters:  CONFIGURE DEFAULT DEVICE TYPE TO ’sbt’; new RMAN configuration parameters are successfully stored RMAN SHOW DEVICE TYPE; RMAN configuration parameters are: CONFIGURE DEVICE TYPE SBT PARALLELISM 1; # CONFIGURE DEVICE TYPE DISK PARALLELISM 1; #  RMAN CONFIGURE DEVICE TYPE SET PARALLELISM 5;  RMAN SHOW DEVICE TYPE; RMAN configuration parameters are: CONFIGURE DEVICE TYPE SBT PARALLELISM 5; CONFIGURE DEVICE TYPE DISK PARALLELISM 1; #  How many channels are allocated to SBT?()A0, because channels have not been defined.B3, as indicated by the degree of parallelism.C1, the default value when device is configured.D5, as indicated by the last parallelism command.

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

单选题You configured the default backup device type as disk for RMAN backups. In your database,because of business requirements,you have to take a simultaneous duplicate backup of the data files when the RMAN BACKUP command is used.  What must you set using the RMAN CONFIGURE command to achieve this?()A MAXSETSIZE TO 2B DEVICE TYPE DISK PARALLELISM 2C RETENTION POLICY TO REDUNDANCY 2D DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2