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单选题You have performed the first step in placing your database into ARCHIVELOG mode. The second step is deciding whether the online redo log files are to be archived automatically or manually.  Which action should you take to enable archiving at instance s

题目
单选题
You have performed the first step in placing your database into ARCHIVELOG mode. The second step is deciding whether the online redo log files are to be archived automatically or manually.  Which action should you take to enable archiving at instance startup?()
A

A

B

B

C

C

D

D


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更多“单选题You have performed the first step in placing your database into ARCHIVELOG mode. The second step is deciding whether the online redo log files are to be archived automatically or manually.  Which action should you take to enable archiving at instance s”相关问题
  • 第1题:

    The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:   ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3;   Which action should you perform immediately after using this command?()  

    • A、 You should perform a log switch
    • B、 You should make a backup of the database
    • C、 You should switch the database to the NONARCHIVELOG mode
    • D、 You should shut down the database instance and perform a complete database recovery

    正确答案:B

  • 第2题:

    You want to use the automatic management of backup and recovery operations features for your database.Which configuration must you set?()

    • A、Enable the flash recovery area and specify it as the archived redo log destination.
    • B、Disable the flash recovery area and start the database instance in ARCHIVELOG mode.
    • C、Enable the flash recovery area but do not specify it as the archived redo log destination.
    • D、Disable the flash recovery area and start the database instance in NOARCHIVELOG mode.

    正确答案:A

  • 第3题:

    You performed an incomplete recovery and opened the database with the RESETLOGS option. The LOG_ARCHIVE_FORMAT parameter is set to ’ora_%t_%s_%r.log’.  Which statement regarding the archived redo log files, created in an earlier incarnation of the database,is true?()

    • A、 The archived redo log files will be overwritten.
    • B、 The archived redo log files are deleted automatically.
    • C、 The archived redo log files should be moved to some other location.
    • D、 The archived redo log files are still maintained because the file names are unique.

    正确答案:D

  • 第4题:

    You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?()

    • A、Database Datafiles 
    • B、Database Control Files 
    • C、Online redo logs
    • D、Archived redo logs 
    • E、The database SPFILE 
    • F、None of the above, all these files are backed up. 

    正确答案:C

  • 第5题:

    In your production database, you have observed that the database server performance degrades whenever there is a switch between the log groups. On further investigation, you find that the database is running in ARCHIVELOG mode and the archived log files are being written to the same disk that is used to store the redo log members.  Which two actions would you take to improve the performance of the database server? ()

    • A、increase the size of the redo log buffer
    • B、increase the number of redo log groups
    • C、increase the number of log writer processes
    • D、increase the number of ARCn processes
    • E、change the appropriate LOG_ARCHIVE_DEST_n parameter to place the archived log files in a separate location

    正确答案:B,E

  • 第6题:

    Your database is in ARCHIVELOG mode. You have two online redo log groups each of which contains one redo member. When you attempt to start the database, you receive the following errors:   ORA-00313: open failed for members of log group 1 of thread 1   ORA-00312: online log 1 thread 1: ’D:///REDO01.LOG’   You discover that the online redo log file of the current redo group is corrupted.  Which statement should you use to resolve this issue?()

    • A、 SQL>ALTER DATABASE DROP LOGFILE GROUP 1;
    • B、 SQL>ALTER DATABASE CLEAR LOGFILE GROUP 1;
    • C、 SQL>ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;
    • D、 SQL>ALTER DATABASE DROP LOGFILE MEMBER ’D:///REDO01.LOG’;

    正确答案:C

  • 第7题:

    多选题
    You configured the Flash Recovery Area (FRA) for your database. The database instance is running inARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area.  Which twofiles are removed automatically if the space is required in the FRA as per the retention policy()
    A

    Flashback log files

    B

    Backups that have become obsolete

    C

    User managed backups of the data files and control files

    D

    Archived redo log files that have multiple copies in a different archive location and not backed up


    正确答案: A,B
    解析: 暂无解析

  • 第8题:

    单选题
    As soon as you discover that you have lost an online redo log, if the database is still functioning, what should be your first action?()
    A

     Shut down the database

    B

     Clear the online redo log

    C

     Back up the database

    D

     Checkpoint the database

    E

     Call Oracle support


    正确答案: E
    解析: 暂无解析

  • 第9题:

    单选题
    The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. Oneof the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3; Which action should you perform immediately after using this command?()
    A

    You should perform a log switch

    B

    You should make a backup of the database

    C

    You should switch the database to the NONARCHIVELOG mode

    D

    You should shut down the database instance and perform a complete database recovery


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    You want to use the automatic management of backup and recovery operations features for your database.Which configuration must you set?()
    A

    Enable the flash recovery area and specify it as the archived redo log destination.

    B

    Disable the flash recovery area and start the database instance in ARCHIVELOG mode.

    C

    Enable the flash recovery area but do not specify it as the archived redo log destination.

    D

    Disable the flash recovery area and start the database instance in NOARCHIVELOG mode.


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    You have performed the first step in placing your database into ARCHIVELOG mode. The second step is deciding whether the online redo log files are to be archived automatically or manually.  Which action should you take to enable archiving at instance startup?()
    A

    A

    B

    B

    C

    C

    D

    D


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:   ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3;   Which action should you perform immediately after using this command?()
    A

     You should perform a log switch

    B

     You should make a backup of the database

    C

     You should switch the database to the NONARCHIVELOG mode

    D

     You should shut down the database instance and perform a complete database recovery


    正确答案: B
    解析: 暂无解析

  • 第13题:

    You want to use the automatic management of backup and recovery operations features for your database.Which configuration must you set?()

    • A、Enable the flash recovery area and specify it as the archived redo log destination.
    • B、Disable the flash recovery area and start the database instance in ARCHIVELOG mode.
    • C、Enable the flash recovery area but do not specify it as the archived redo log destination.
    • D、Disable the flash recovery area and start the database instance in NOARCHIVELOG mode

    正确答案:A

  • 第14题:

    Which two statements are true regarding the database in ARCHIVELOG mode?()

    • A、You have to shut down the database to perform the backups.
    • B、Archiving information is written to the data files and redo log files.
    • C、You can perform complete database backups without closing the database.
    • D、Online redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.
    • E、All the previous database backups become invalid after you configure the database to ARCHIVELOG mode.

    正确答案:C,E

  • 第15题:

    As soon as you discover that you have lost an online redo log, if the database is still functioning, what should be your first action?()  

    • A、 Shut down the database
    • B、 Clear the online redo log
    • C、 Back up the database
    • D、 Checkpoint the database
    • E、 Call Oracle support

    正确答案:D

  • 第16题:

    You configured the Flash Recovery Area (FRA) for your database. The database instance is runningin ARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area.  Which two files are removed automaticallyif the space is required in the FRA as per the retention policy()

    • A、flashback log files
    • B、backups that have become obsolete
    • C、copies of the data files and control files
    • D、archived redo log files that have multiple copies in a different archive location and not backed up

    正确答案:A,B

  • 第17题:

    You configured the Flash Recovery Area for your database. The database instance has been startedin ARCHIVELOG mode and the LOG_ARCHIVE_DEST_1 parameter is not set.  What will be the implications on the archiving and the location of archive redo log files()

    • A、Archiving will be disabled because the destination for the redo log files is missing.
    • B、The database instance will shut down and the error details will be logged in the alert log file.
    • C、Archiving will be enabled and the destination for the archived redo log file will be set to the FlashRecovery Area implicitly.
    • D、Archiving will be enabled and the location for the archive redo log file will be created in the defaultlocation $ORACLE_HOME/log.

    正确答案:C

  • 第18题:

    多选题
    In your production database, you have observed that the database server performance degrades whenever there is a switch between the log groups. On further investigation, you find that the database is running in ARCHIVELOG mode and the archived log files are being written to the same disk that is used to store the redo log members.  Which two actions would you take to improve the performance of the database server? ()
    A

    increase the size of the redo log buffer

    B

    increase the number of redo log groups

    C

    increase the number of log writer processes

    D

    increase the number of ARCn processes

    E

    change the appropriate LOG_ARCHIVE_DEST_n parameter to place the archived log files in a separate location


    正确答案: B,E
    解析: 暂无解析

  • 第19题:

    多选题
    You configured the Flash Recovery Area (FRA) for your database. The database instance is runningin ARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area.  Which two files are removed automaticallyif the space is required in the FRA as per the retention policy()
    A

    flashback log files

    B

    backups that have become obsolete

    C

    copies of the data files and control files

    D

    archived redo log files that have multiple copies in a different archive location and not backed up


    正确答案: B,A
    解析: 暂无解析

  • 第20题:

    单选题
    You performed an incomplete recovery and opened the database with the RESETLOGS option. The LOG_ARCHIVE_FORMAT parameter is set to ’ora_%t_%s_%r.log’.  Which statement regarding the archived redo log files, created in an earlier incarnation of the database,is true?()
    A

     The archived redo log files will be overwritten.

    B

     The archived redo log files are deleted automatically.

    C

     The archived redo log files should be moved to some other location.

    D

     The archived redo log files are still maintained because the file names are unique.


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors: ORA-00313: open failed for members of log group 1 of thread 1 ORA-00312: online log 1 thread 1: 'D:/REDO01.LOG' You discover that the online redo log file of the current redo group is corrupted. Which statement should you use to resolve this issue?()
    A

    ALTER DATABASE DROP LOGFILE GROUP 1;

    B

    ALTER DATABASE CLEAR LOGFILE GROUP 1;

    C

    ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;

    D

    ALTER DATABASE DROP LOGFILE MEMBER 'D:/REDO01.LOG


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    You want to use the automatic management of backup and recovery operations features for your database. Which configuration must you set?()
    A

     Enable the flash recovery area and specify it as the archived redo log destination.

    B

     Disable the flash recovery area and start the database instance in ARCHIVELOG mode.

    C

     Enable the flash recovery area but do not specify it as the archived redo log destination. 

    D

     Disable the flash recovery area and start the database instance in NOARCHIVELOG mode.


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    Your database is in ARCHIVELOG mode. You have two online redo log groups each of which contains one redo member. When you attempt to start the database, you receive the following errors:   ORA-00313: open failed for members of log group 1 of thread 1   ORA-00312: online log 1 thread 1: ’D:///REDO01.LOG’   You discover that the online redo log file of the current redo group is corrupted.  Which statement should you use to resolve this issue?()
    A

     SQL>ALTER DATABASE DROP LOGFILE GROUP 1;

    B

     SQL>ALTER DATABASE CLEAR LOGFILE GROUP 1;

    C

     SQL>ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;

    D

     SQL>ALTER DATABASE DROP LOGFILE MEMBER ’D:///REDO01.LOG’;


    正确答案: C
    解析: 暂无解析

  • 第24题:

    单选题
    You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?()
    A

     Database Datafiles

    B

     Database Control Files

    C

     Online redo logs

    D

     Archived redo logs

    E

     The database SPFILE

    F

     None of the above,all these files are backed up


    正确答案: A
    解析: 暂无解析