单选题As A DBA, which of the following methods can you use to make a backup of your table?()A Recover Manager (RMAN) utilityB Import utilityC Export utilityD O/S backup command

题目
单选题
As A DBA, which of the following methods can you use to make a backup of your table?()
A

Recover Manager (RMAN) utility

B

Import utility

C

Export utility

D

O/S backup command


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更多“单选题As A DBA, which of the following methods can you use to make a backup of your table?()A Recover Manager (RMAN) utilityB Import utilityC Export utilityD O/S backup command”相关问题
  • 第1题:

    Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt:   RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON;   After executing this command, in which of the following cases will RMAN make an auto-backup of the control file? ()

    • A、 when you change the name of a datafile
    • B、 when you drop a table from the database
    • C、 when you take an export of the database
    • D、 when you back up the database using OS utilities
    • E、 when you issue an ALTER SYSTEM SWITCH LOGFILE statement
    • F、 when you issue a BACKUP command from inside the RMAN run block

    正确答案:A,E,F

  • 第2题:

    You observe that the senior database administrator always uses the following command when connecting to Recovery Manager (RMAN), and then starts executing commands to backup the database files:  $ rman target /  What would be the effect of this command?()

    • A、RMAN would use the current operating system location to place the backup.
    • B、RMAN would use the control file of the target database to maintain the backup.
    • C、RMAN would use the recovery catalog of the target database to maintain the backup.
    • D、RMAN would use the control file of the target database to maintain the backup metadata. 
    • E、RMAN would use the recovery catalog of the target database to maintain the backup metadata.

    正确答案:D

  • 第3题:

    You are required to remove the default EXTPROC entry from the default listener configuration to create a listener that will listen specifically for EXTPROC calls. Which two methods can you use to remove the default EXTPROC entry from the default listener configuration? ()

    • A、 the RMAN utility
    • B、 the import/export utility
    • C、 the Oracle Enterprise Manager
    • D、 the change tracking feature
    • E、 the Net Manager utility

    正确答案:C,E

  • 第4题:

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

    正确答案:B

  • 第5题:

    You want to migrate your existing non-ASM files to ASM files for the database PROD. Which method  or command would you use to accomplish this task?()

    • A、the CONVERT command of RMAN
    • B、Data Pump Export and Import into the same database
    • C、conventional export and import into the same database
    • D、the BACKUP DATABASE and RESTORE DATABASE commands of RMAN
    • E、the BACKUP AS COPY DATABASE and SWITCH DATABASE TO COPY command of RMAN

    正确答案:A,E

  • 第6题:

    You have lost all your database control files. To recover them, you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact.  Which of the following is true regarding your recovery?()  

    • A、 You will need to open the database with the resetlogs command.
    • B、 All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.
    • C、 You will use the resetlogs version of the create controlfile command.
    • D、 You will use the noresetlogs version of the create controlfile command.
    • E、 You will use the trace file to create a backup control file, and then you will recover the database with the recover database using backup controlfile command

    正确答案:D

  • 第7题:

    单选题
    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 days

    B

    a list of files that have not been backed up for three days

    C

    a list of files that RMAN recommends be backed up only once in every three days, based on low volatility

    D

    a list of files for which a backup has already been performed and may need a backup after three days


    正确答案: C
    解析: 暂无解析

  • 第8题:

    单选题
    You observe that the senior database administrator always uses the following command when connecting to Recovery Manager (RMAN), and then starts executing commands to backup the database files: % rman target / What would be the effect of this command?()
    A

     RMAN would use the current operating system location to place the backup.

    B

     RMAN would use the control file of the target database to maintain the backup.

    C

     RMAN would use the recovery catalog of the target database to maintain the backup.

    D

     RMAN would use the control file of the target database to maintain the backup metadata.

    E

     RMAN would use the recovery catalog of the target database to maintain the backup metadata.


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    It is a holiday and no transactions are being performed on the database. You took a consistent backup of your database without using Recovery Manager (RMAN). How would you make use of this consistent backup in RMAN?()
    A

    cannot be used in RMAN

    B

    by starting up the database again

    C

    by using the CATALOG command of RMAN

    D

    by using the RECOVER CATALOG command in RMAN

    E

    by re-creating the target control file to rebuild the RMAN repository


    正确答案: C
    解析: 暂无解析

  • 第10题:

    多选题
    Which two features of RMAN would must likely influence your decision to incorporate RMAN into your backup and recover strategy, if your most important requirement is to reduce the time ofrecovery?()
    A

    RMAN’s powerful command language.

    B

    RMAN backups can be parallelized.

    C

    RMAN allows for incremental block-level backups.

    D

    RMAN backup, restore, and recovery scripts can be stored.


    正确答案: C,D
    解析: 暂无解析

  • 第11题:

    多选题
    You want to migrate your existing non/x7fASM files to ASM files for the database PROD. Which method or command would you use to accomplish this task?()
    A

    the CONVERT command of RMAN

    B

    Data Pump Export and Import into the same database

    C

    conventional export and import into the same database

    D

    the BACKUP DATABASE and RESTORE DATABASE commands of RMAN

    E

    the BACKUP AS COPY DATABASE and SWITCH DATABASE TO COPY command of RMAN


    正确答案: B,E
    解析: 暂无解析

  • 第12题:

    单选题
    You administer an Oracle Database 10g and a third-party database. You use Recovery Manager (RMAN) to perform backup and recovery operations. You have configured a recovery catalog to act as an RMAN repository. To which of the following databases can you NOT connect using the RMAN CONNECT command?()
    A

     target database

    B

     auxiliary database

    C

     third-party database

    D

     recovery catalog database


    正确答案: B
    解析: 暂无解析

  • 第13题:

    It is a holiday and no transactions are being performed on the database. You took a consistent backup of your database without using Recovery Manager (RMAN). How would you make use of this consistent backup in RMAN?()

    • A、cannot be used in RMAN
    • B、by starting up the database again
    • C、by using the CATALOG command of RMAN
    • D、by using the RECOVER CATALOG command in RMAN
    • E、by re-creating the target control file to rebuild the RMAN repository

    正确答案:C

  • 第14题:

    You have configured your database to use RMAN for backup and recovery. You must back up the datafile contained in the TS1 tablespace. The size of the datafile in the TS1 tablespace is 200 MB.  You issue the following command from the RMAN prompt to perform a backup of the tablespace:   RMAN> BACKUP TABLESPACE TS1 MAXSETSIZE 100M;  Which statement is true about executing this command?()

    • A、 The command generates an error.
    • B、 The command backs up the tablespace and creates a backup set of size 200 MB
    • C、 The command backs up the tablespace and creates two backup sets of size 100 MB each.
    • D、 The command backs up the tablespace and creates a backup set with backup pieces of size 100 MB each.

    正确答案:A

  • 第15题:

    You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data, you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database?()

    • A、use the external table population
    • B、use the Oracle Data Pump export and import utility
    • C、use the conventional path data load of SQL*Loader utility
    • D、use the direct path data load of Oracle export and import utility

    正确答案:C

  • 第16题:

    You administer an Oracle Database 10g and a third-party database. You use Recovery Manager (RMAN) to perform backup and recovery operations. You have configured a recovery catalog to act as an RMAN repository. To which of the following databases can you NOT connect using the RMAN CONNECT command?()

    • A、 target database
    • B、 auxiliary database
    • C、 third-party database
    • D、 recovery catalog database

    正确答案:C

  • 第17题:

    You want to migrate your existing non/x7fASM files to ASM files for the database PROD. Which method or command would you use to accomplish this task?()

    • A、the CONVERT command of RMAN
    • B、Data Pump Export and Import into the same database
    • C、conventional export and import into the same database
    • D、the BACKUP DATABASE and RESTORE DATABASE commands of RMAN
    • E、the BACKUP AS COPY DATABASE and SWITCH DATABASE TO COPY command of RMAN

    正确答案:A,E

  • 第18题:

    单选题
    As A DBA, which of the following methods can you use to make a backup of your table?()
    A

    Recover Manager (RMAN) utility

    B

    Import utility

    C

    Export utility

    D

    O/S backup command


    正确答案: C
    解析: 暂无解析

  • 第19题:

    单选题
    You need to check the EMP_EAST partition in the EMPLOYEES table for physical corruptions. You also need to verify that the rows belong to the correct partition. Which option could you use?()
    A

     LogMiner

    B

     The DBNEWID utility

    C

     The DBVERIFY utility

    D

     The ANALYZE command

    E

     The RMAN REPORT command

    F

     The RMAN CROSSCHECK command.

    G

     The RMAN BLOCKRECOVER command.


    正确答案: D
    解析: 暂无解析

  • 第20题:

    多选题
    Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt:   RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON;   After executing this command, in which of the following cases will RMAN make an auto-backup of the control file? ()
    A

    when you change the name of a datafile

    B

    when you drop a table from the database

    C

    when you take an export of the database

    D

    when you back up the database using OS utilities

    E

    when you issue an ALTER SYSTEM SWITCH LOGFILE statement

    F

    when you issue a BACKUP command from inside the RMAN run block


    正确答案: D,B
    解析: 暂无解析

  • 第21题:

    单选题
    You have configured your database to use RMAN for backup and recovery. You must back up the datafile contained in the TS1 tablespace. The size of the datafile in the TS1 tablespace is 200 MB.  You issue the following command from the RMAN prompt to perform a backup of the tablespace:   RMAN> BACKUP TABLESPACE TS1 MAXSETSIZE 100M;  Which statement is true about executing this command?()
    A

     The command generates an error.

    B

     The command backs up the tablespace and creates a backup set of size 200 MB

    C

     The command backs up the tablespace and creates two backup sets of size 100 MB each.

    D

     The command backs up the tablespace and creates a backup set with backup pieces of size 100 MB each.


    正确答案: B
    解析: 暂无解析

  • 第22题:

    单选题
    You want to convert your existing non-ASM files to ASM files for the database PROD.  Which method or command would you use to accomplish this task?()
    A

     Data Pump Export and Import

    B

     conventional export and import

    C

     the CONVERT command of RMAN

    D

     the BACKUP AS COPY. command of RMAN


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    Your database runs in NOARCHIVELOG mode, and is backed up every night using RMAN scripts. However, last night your assistant DBA performed a manual operating system backup, instead of running the scripts. Today your database crashed and you now want to use the backups from last night. What do you need todo?()
    A

    You need to perform the restore and recover operations manually, because the backup was made manually. 

    B

    First you need to resynchronize the catalog with the control file, and then you can use RMAN to recover the database. 

    C

    First you need to add the backup to the catalog using the CATALOG command, and then you can use RMAN to recover the database. 

    D

    You can just use RMAN and recover the database, because RMAN automatically updates the catalog with the backup information. 


    正确答案: A
    解析: 暂无解析

  • 第24题:

    单选题
    You have lost all your database control files. To recover them, you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact.  Which of the following is true regarding your recovery?()
    A

     You will need to open the database with the resetlogs command.

    B

     All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.

    C

     You will use the resetlogs version of the create controlfile command.

    D

     You will use the noresetlogs version of the create controlfile command.

    E

     You will use the trace file to create a backup control file, and then you will recover the database with the recover database using backup controlfile command


    正确答案: E
    解析: 暂无解析