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单选题You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6：00 P.M. on Monday， you issue the following command：       RMAN>BACKUP DATABASE；  At 8：00 A.M. on Tuesday， you are unable to s

题目
单选题
You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6：00 P.M. on Monday， you issue the following command：       RMAN>BACKUP DATABASE；  At 8：00 A.M. on Tuesday， you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command. Which operation should you perform before using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command？（）
A

 Start the database in the MOUNT stage.

B

 Back up the control file to trace.

C

 Set the DBID

D

 Issue the RECOVER DATABASE command.

相似考题

1.You want to make sure that your database backup does not exceed 10 hours in length. What command would you issue that would meet this condition?（）A、backup database plus archivelogB、backup database plus archivlog until time ‘10:00‘C、backup database plus archivelog timeout ‘10:00‘D、backup database plus archivelog duration 10:00

2.You are maintaining the SALES database for eSoft Corporation. You have not configured ASMM on the database. You want to know what size of the SGA will provide the best performance.  Which advisor would you use to determine the suitable size of the SGA？（）A、 SQL Tuning AdvisorB、 Undo AdvisorC、 ADDMD、 Memory Advisor

3.What command would you issue to enable automated backups of control files？（）  A、 alter database controlfile autobackup onB、 alter system controlfile autobackup onC、 configure controlfile autobackup onD、 enable controlfile autobackup

4. Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt：     RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF；   RMAN> BACKUP DATABASE；   Which files from the database will be backed up as a result of this BACKUP command？（）A、 control fileB、 all datafilesC、 password fileD、 online redo log fileE、 archive redo log fileF、 server parameter fileG、 only the SYSTEM datafile

更多“单选题You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6：00 P.M. on Monday， you issue the following command：       RMANBACKUP DATABASE；  At 8：00 A.M. on Tuesday， you are unable to st”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 are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6：00 P.M. on Monday， you issue the following command：       RMAN>BACKUP DATABASE；  At 8：00 A.M. on Tuesday， you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command. Which operation should you perform before using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command？（）

    • A、 Start the database in the MOUNT stage.
    • B、 Back up the control file to trace.
    • C、 Set the DBID
    • D、 Issue the RECOVER DATABASE command.

    正确答案:C

  • 第3题：

    You are maintaining the database of a company. The listener process， listener1， is configured for remote access. You have issued the following command：   LSNRCTL>STATUS listener1   Which information will NOT be displayed when you issue the above command？（） 

    • A、 whether the password is set in the listener or a file or not
    • B、 the number of client connections the service handler has refused
    • C、 the information will be displayed whether the instance can accept connections or not
    • D、 the protocol addresses on which the listener is configured to listen

    正确答案:B

  • 第4题：

    Your database has a backup that was taken yesterday （Tuesday） between 13：00 and 15：00 hours. This is the only backup you have. You have lost all the archived redo logs generatedsince the previous Monday， but you have archived redo logs available from the previous Sunday and earlier. You now need to restore your backup due to database loss.  To which point can you restore your database？（）  

    • A、 13：00 on Tuesday.
    • B、 15：00 on Tuesday.
    • C、 Up until the last available archived redo log on Sunday.
    • D、 To any point； all the redo should still be available in the online redo logs.
    • E、 The database is not recoverable.

    正确答案:E

  • 第5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6题：

    单选题
    You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6：00 P.M. on Monday， you issue the following command：       RMAN>BACKUP DATABASE；  At 8：00 A.M. on Tuesday， you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command. Which operation should you perform before using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command？（）
    A

     Start the database in the MOUNT stage.

    B

     Back up the control file to trace.

    C

     Set the DBID

    D

     Issue the RECOVER DATABASE command.


    正确答案： D
    解析： 暂无解析

  • 第7题：

    单选题
    You are maintaining your database in Oracle10g. On Tuesday at 8：00 A.M.， while starting the database， you discover that all the control files are missing. The backup of the full database was performed on Sunday at 6：00 P.M. Which type of recovery will you perform？（）
    A

     incomplete recovery

    B

     complete recovery

    C

     recovery using the Flashback Database feature

    D

     recovery using the export/import utility


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    You are maintaining the SALES database for eSoft Corporation. You have not configured ASMM on the database. You want to know what size of the SGA will provide the best performance.  Which advisor would you use to determine the suitable size of the SGA？（）
    A

     SQL Tuning Advisor

    B

     Undo Advisor

    C

     ADDM

    D

     Memory Advisor


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    Flashback Database is enabled in your Oracle 10g database. One of your database users erroneously purged an important table residing in his schema. The table was purged sometime between 10：00 P.M. and 10：30 P.M. The next day， you decide to flash back the database. Before you flash back the database， you want to ensure that you have all the necessary flashback data. Which dynamic performance view must you use to determine whether you have the required flashback data to recover the purged table？（）
    A

     V$DATABASE

    B

     V$UNDOSTAT

    C

     V$FLASHBACK_DATABASE_LOG

    D

     V$FLASHBACK_DATABASE_STAT


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    Your database has a backup that was taken yesterday （Tuesday） between 13：00 and 15：00 hours. This is the only backup you have. You have lost all the archived redo logs generatedsince the previous Monday， but you have archived redo logs available from the previous Sunday and earlier. You now need to restore your backup due to database loss.  To which point can you restore your database？（）
    A

     13：00 on Tuesday.

    B

     15：00 on Tuesday.

    C

     Up until the last available archived redo log on Sunday.

    D

     To any point； all the redo should still be available in the online redo logs.

    E

     The database is not recoverable.


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    You are maintaining your database in ARCHIVELOG mode. An important table， SCOTT.EMPLOYEE， is dropped and purged from the Recycle Bin on Monday at 2：00 P.M. You do not use RMAN to perform backups. You performed the last full user-managed backup at 9：00 P.M. on Sunday.  How will you recover the dropped table， SCOTT.EMPLOYEE？（）
    A

     by using the Flashback Table feature

    B

     by using the Flashback Database feature

    C

     by performing incomplete recovery using RMAN utility

    D

     by performing incomplete recovery using user-managed recovery


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    What command would you issue to enable automated backups of control files？（）
    A

     alter database controlfile autobackup on

    B

     alter system controlfile autobackup on

    C

     configure controlfile autobackup on

    D

     enable controlfile autobackup


    正确答案： C
    解析： 暂无解析

  • 第13题：

    You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday， you issued the following commands：   CONFIGURE DEFAULT DEVICE TYPE TO sbt；   CONFIGURE BACKUP OPTIMIZATION ON；   CONFIGURE RETENTION POLICY TO REDUNDANCY 3；   From Monday to Saturday， you performed the following actions：   Day                         Action  Monday                BACKUP DATABASE  Tuesday                BACKUP DATABASE  Wednesday              BACKUP DATABASE  Thursday               BACKUP DATABASE  Friday                 BACKUP DATABASE  Saturday               BACKUP DATABASE  How many times will the backup of the USERS tablespace be performed？（）

    • A、 The backup will not be performed at all.
    • B、 three times
    • C、 four times
    • D、 six times

    正确答案:C

  • 第14题：

    What command would you issue to enable automated backups of control files? （）

    • A、alter database controlfile autobacku on
    • B、alter system controlfile autobackup on 
    • C、configure controlfile autobackup on 
    • D、enable controlfile autobackup

    正确答案:C

  • 第15题：

    You are maintaining your database in Oracle10g. You perform a full user-managed backup every Sunday at 8：00 P.M. Your database is running in ARCHIVELOG mode. On Monday， at 9：00 A.M.， a tablespace is dropped. You decide to perform incomplete recovery to recover the dropped tablespace.  Which two clauses can you use with the RECOVER command？（）

    • A、 UNTIL SEQUENCE
    • B、 UNTIL SCN
    • C、 UNTIL CHANGE
    • D、 UNTIL CANCEL

    正确答案:C,D

  • 第16题：

    You are maintaining your database in Oracle10g. On Tuesday at 8：00 A.M.， while starting the database， you discover that all the control files are missing. The backup of the full database was performed on Sunday at 6：00 P.M. Which type of recovery will you perform？（）

    • A、 incomplete recovery
    • B、 complete recovery
    • C、 recovery using the Flashback Database feature
    • D、 recovery using the export/import utility

    正确答案:A

  • 第17题：

    Flashback Database is enabled in your Oracle 10g database. One of your database users erroneously purged an important table residing in his schema. The table was purged sometime between 10：00 P.M. and 10：30 P.M. The next day， you decide to flash back the database. Before you flash back the database， you want to ensure that you have all the necessary flashback data. Which dynamic performance view must you use to determine whether you have the required flashback data to recover the purged table？（）

    • A、 V$DATABASE
    • B、 V$UNDOSTAT
    • C、 V$FLASHBACK_DATABASE_LOG
    • D、 V$FLASHBACK_DATABASE_STAT

    正确答案:C

  • 第18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19题：

    单选题
    You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday， you issued the following commands：   CONFIGURE DEFAULT DEVICE TYPE TO sbt；   CONFIGURE BACKUP OPTIMIZATION ON；   CONFIGURE RETENTION POLICY TO REDUNDANCY 3；   From Monday to Saturday， you performed the following actions：   Day                         Action  Monday                BACKUP DATABASE  Tuesday                BACKUP DATABASE  Wednesday              BACKUP DATABASE  Thursday               BACKUP DATABASE  Friday                 BACKUP DATABASE  Saturday               BACKUP DATABASE  How many times will the backup of the USERS tablespace be performed？（）
    A

     The backup will not be performed at all.

    B

     three times

    C

     four times

    D

     six times


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    You want to make sure that your database backup does not exceed 10 hours in length. What command would you issue that would meet this condition?（）
    A

    backup database plus archivelog

    B

    backup database plus archivlog until time ‘10:00‘

    C

    backup database plus archivelog timeout ‘10:00‘

    D

    backup database plus archivelog duration 10:00


    正确答案： D
    解析： 暂无解析

  • 第21题：

    多选题
    Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt：     RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF；   RMAN> BACKUP DATABASE；   Which files from the database will be backed up as a result of this BACKUP command？（）
    A

    control file

    B

    all datafiles

    C

    password file

    D

    online redo log file

    E

    archive redo log file

    F

    server parameter file

    G

    only the SYSTEM datafile


    正确答案： C,D
    解析： 暂无解析

  • 第22题：

    单选题
    What command would you issue to enable automated backups of control files? （）
    A

    alter database controlfile autobacku on

    B

    alter system controlfile autobackup on 

    C

    configure controlfile autobackup on 

    D

    enable controlfile autobackup


    正确答案： C
    解析： 暂无解析

  • 第23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

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