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单选题You experience a loss of the disk on which the USER_DATA tablespace data files are stored. You attempt to recover the data files but discover that the archived redo log file with sequence number 45， which is needed to perform complete recovery， is inva

题目
单选题
You experience a loss of the disk on which the USER_DATA tablespace data files are stored. You attempt to recover the data files but discover that the archived redo log file with sequence number 45， which is needed to perform complete recovery， is invalid. You then begin incomplete recovery-You receive this prompt：  ORA-00279：change 309012...03/09/01 11：33：56 needed for thread ORA-00289： suggestion ：   /disk1/archive/arch_45.rdo ORA-00280： change 309012 for thread 1 is in sequence #45 Specify log：  {=suggested | filename | AUTO | CANCEL}  What is the correct response？（）
A

Enter the keyword AUTO.

B

Enter the keyword CANCEL.

C

Press the Enter or Return key.

D

Provide the filename ’/disk1/archive/arcg_46.rdo’

相似考题

1.You issued the following commands to configure setting in RMAN;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?（）A. The backup will terminate because the FORMAT clause was not configured for the channelB. It backs up two copies of data files to tape and disk, and two copies of archived log file on tapeC. It backs up the data files and archived log files to disk, making two copies of each data file and archived log fileD. It backs up the data files and archived log files to tape, making two copies of each data file and archived log file

2. Your database is running In ARCIIIVELOG mode. One of the data files， USBRDATAOI. DBF， in the users tablespace is damaged and you need to recover the file until the point of failure. The backup for the data file is available.  Which three files would be used in the user-managed recovery process performed by the database administrator （DBA）？（） A、 redo logsB、 control fileC、 temporary files of temporary tablespaceD、 the latest backup of only the damaged data fileE、 the latest backup of all the data files In the USERS tablespace

3.Your database operates in ARCHIVELOG mode and all the tablespaces are online. Due to a user error， you decided to perform an incomplete recovery. Which two tasks would you be required to perform in the recovery process？（）A、 open the database with the RESTRICTED optionB、 open the database with the RESETLOGS optionC、 recover to the required SCN only that data file in which the error occurredD、 recover all the data files to the same system change number （SCN）

4.Which statement is true regarding the Archiver （ARCn） process，archived log files，and recovery？ （）A、A database backup, combined with archived redo log files, guarantees that all committed data can be recovered to the point of failure. B、During recovery the ARCn background process copies its redo entries identified for recovery by the control file to the data files. C、After each write to an archived log, the mandatory background process ARCn writes its log sequence number and the first and last SCN number within the log sequence to the control file. D、At database recover time, and archived redo log is uniquely identified for recovery use by its redo thread number and destination ID number retrieved from the control file.

更多“单选题You experience a loss of the disk on which the USER_DATA tablespace data files are stored. You attempt to recover the data files but discover that the archived redo log file with sequence number 45， which is needed to perform complete recovery， is inva”相关问题

  • 第1题：

    The database is configured in ARCHIVELOG mode and regular complete database backups are taken. The loss of which two types of files may require a recovery with the RESETLOGS option？（）

    • A、 Control files
    • B、 Password files
    • C、 Inactive online redo log file
    • D、 Archived log files required to perform recovery
    • E、 Newly created tablespace which is not backed up

    正确答案:A,D

  • 第2题：

    In your production database, users report that they are unable to generate reports on an important table because it does not contain any data. While investigating the reason, you realize that another user executed the TRUNCATE TABLE command, which accidentally caused the data to be lost. Now you want to recover the lost data of the table without affecting objects in other schemas. Which method must you use to recover the lost data?（）

    • A、Complete Recovery with online redo log
    • B、Complete Recovery with archived redo log
    • C、Tablespace Point-in-Time Recovery (TSPITR)
    • D、Incomplete Recovery with system change number (SCN)

    正确答案:C

  • 第3题：

    You lost a data file that belongs to an index tablespace in your database， which operates in ARCHIVELOG mode. Loss of the data file resulted in increased response time on your queries. Which two options would you use to solve this problem？ （）

    • A、 Restore the lost data file from the backup， and then flash back the database.
    • B、 Restore the data file pertaining to index tablespace， and then recover the tablespace.
    • C、 Restore all the data files， and then perform an incomplete recovery to get the tablespace back.
    • D、 Restore all the data files， and then perform an incomplete recovery using the backup control file.
    • E、 Drop and re-create the index tablespace， and then re-create all of the indexes in that tablespace.

    正确答案:B,E

  • 第4题：

    You work as a database administrator for Supportcenter.cn. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups， and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file？（）

    • A、Restore all the data files and open the database
    • B、Create the data file and perform tablespace recovery
    • C、No need to restore any file， just recover the database
    • D、Restore only the system data file and recover the database
    • E、Restore only lost date file and performtablespacerecovery

    正确答案:A

  • 第5题：

    Your database is set in NOARCHIVELOG mode and is backed up every night. There are 10 redo log groups on the database， each with three members， making a total of 30 redo log files. At lunchtime the server unexpectedly gets shut down. Upon restarting you notice that the data file belonging to the SYSTEM tablespace has become corrupted. You also notice that there have been 15 log switches during the day. Which solution should you use to recover as much committed data as possible？（）

    • A、Restore the data file for the SYSTEM tablespace then open the database. 
    • B、Restore all redo logs form last night's backup, then restart the database. 
    • C、Perform a complete restore of all files from last night's backup. Data entered into the database today must be reentered. 
    • D、Mount the instance, take the SYSTEM tablespace offline, open the database, and then restore the data file, recover it, and bring the tablespace online. 

    正确答案:C

  • 第6题：

    单选题
    Which components are needed for successful and most efficient recovery.（）
    A

     The backup RB3 and the current online redo log files

    B

     the backup RB2 and the archived redo log files after the log sequence number 15622

    C

     Backup R81 and the archived redo log hies after the log sequence number 12871

    D

     The backup RB3 and the archived redo log files after the log sequence number 16721


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    You work as a database administrator for Supportcenter.cn. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups， and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file？（）
    A

    Restore all the data files and open the database

    B

    Create the data file and perform tablespace recovery

    C

    No need to restore any file， just recover the database

    D

    Restore only the system data file and recover the database

    E

    Restore only lost date file and performtablespacerecovery


    正确答案： A
    解析： 暂无解析

  • 第8题：

    多选题
    Your database is functioning in ARCHIVELOG mode. In which two situations would you perform a cancel-based recovery？ （）
    A

    You find that one of the redo log members in each redo log group is lost.

    B

    You find that a data file that belongs to the USERS tablespace is damaged.

    C

    You find that a data file that belongs to the SYSTEM tablespace is damaged.

    D

    You find that the current redo log group is damaged and is not available for recovery.

    E

    You realized while performing a recovery that an archived redo log file needed for recovery is lost.


    正确答案： C,D
    解析： 暂无解析

  • 第9题：

    单选题
    Your database is set in NOARCHIVELOG mode and is backed up every night. There are 10 redo log groups on the database， each with three members， making a total of 30 redo log files. At lunchtime the server unexpectedly gets shut down. Upon restarting you notice that the data file belonging to the SYSTEM tablespace has become corrupted. You also notice that there have been 15 log switches during the day. Which solution should you use to recover as much committed data as possible？（）
    A

    Restore the data file for the SYSTEM tablespace then open the database. 

    B

    Restore all redo logs form last night's backup, then restart the database. 

    C

    Perform a complete restore of all files from last night's backup. Data entered into the database today must be reentered. 

    D

    Mount the instance, take the SYSTEM tablespace offline, open the database, and then restore the data file, recover it, and bring the tablespace online. 


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    The instance abnormally terminates because of a power outage.  Which statement is true about redo log filesduring instance recovery（）
    A

    Inactive and current redo log files are required to accomplish recovery.

    B

    Online and archived redo log files are required to accomplish instance recovery.

    C

    All redo log entries after the last checkpoint are applied from redo log files to data files.

    D

    All redo log entries recorded in the current redo log file until the checkpoint position are applied to data files


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    You are working on Oracle Database 10g， which is in ARCHIVELOG mode. All the archived log files are intact. In which scenario would performing a recovery require the opening of the database with the RESETLOGS option？（）
    A

     loss of one of the tablespaces

    B

     loss of a system data file

    C

     loss of one of the control files

    D

     loss of a tempfile

    E

     loss of the only member of an unarchived redo log group

    F

     loss of a member from each redo log group


    正确答案： E
    解析： 暂无解析

  • 第12题：

    单选题
    You database operates in ARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Tuesday， at 9：00 a.m. the current log sequence number was 369. Also， on Tuesday you lost the data file belonging to the SYSTEM tablespace and an achivelog file （sequence number 356） that contained redo entries between 8：00 a.m. and 8.30 a.m. With reference to this scenario， what would you do to recover the database？（）
    A

     Restore all the data files from last Sunday’s backup， and then perform a time-based recovery.

    B

     Restore all the data files from last Sunday’s backup， and then perform a cancel-based recovery.

    C

     Restore all the data files from last Sunday’s backup， and then perform a change-based recovery.

    D

     Restore only data files that belong to the SYSTEM tablespace from last Sunday’s backup， and then perform a complete recovery.


    正确答案： D
    解析： 暂无解析

  • 第13题：

    You database operates in ARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Tuesday， at 9：00 a.m. the current log sequence number was 369. Also， on Tuesday you lost the data file belonging to the SYSTEM tablespace and an achivelog file （sequence number 356） that contained redo entries between 8：00 a.m. and 8.30 a.m. With reference to this scenario， what would you do to recover the database？（）

    • A、 Restore all the data files from last Sunday’s backup， and then perform a time-based recovery.
    • B、 Restore all the data files from last Sunday’s backup， and then perform a cancel-based recovery.
    • C、 Restore all the data files from last Sunday’s backup， and then perform a change-based recovery.
    • D、 Restore only data files that belong to the SYSTEM tablespace from last Sunday’s backup， and then perform a complete recovery.

    正确答案:B

  • 第14题：

    Your database is functioning in ARCHIVELOG mode. In which two situations would you perform a cancel/x7fbased recovery？（）

    • A、You find that one of the redo log members in each redo log group is lost.
    • B、You find that a data file that belongs to the USERS tablespace is damaged.
    • C、You find that a data file that belongs to the SYSTEM tablespace is damaged.
    • D、You find that the current redo log group is damaged and is not available for recovery.
    • E、You realized while performing a recovery that an archived redo log file needed for recovery is lost.

    正确答案:D,E

  • 第15题：

    The loss of which two types of files may require a recovery with the RESETLOGS option？（）

    • A、 control files
    • B、 password file
    • C、 archived log files
    • D、 system-critical data files for which all the redo entries are present
    • E、 non-system-critical data files for which all the redo entries are present

    正确答案:A,C

  • 第16题：

    You are working on Oracle Database 10g， which is in ARCHIVELOG mode. All the archived log files are intact. In which scenario would performing a recovery require the opening of the database with the RESETLOGS option？（）

    • A、 loss of one of the tablespaces
    • B、 loss of a system data file
    • C、 loss of one of the control files
    • D、 loss of a tempfile
    • E、 loss of the only member of an unarchived redo log group
    • F、 loss of a member from each redo log group

    正确答案:E

  • 第17题：

    View the Exhibit.You executed the following command to perform a backup of the USERS tablespace： RMAN> BACKUP TABLESPACE USERS；  Which three types of files are backed up？ （）

    • A、 all the data files belonging to the USERS tablespace
    • B、 password file
    • C、 online redo log files
    • D、 the current control file
    • E、 archived redo log files
    • F、 the current server parameter file
    • G、 data files belonging to the USERS tablespace and all the default tablespaces

    正确答案:A,D,F

  • 第18题：

    单选题
    You are operating your database in NOARCHIVELOG mode. Your most recent backup includes a copy of all of the data files and the control files taken when the current log sequence number was 45. You experience disk failure on the drive on which your SYSTEM tablespace data files are stored. At the time of the failure， the current log sequence number is 98. Which files should you restore to recover from the loss of the SYSTEM tablespace data files？（）
    A

    Only the data files.

    B

    All of the data files and the control files.

    C

    Only the data files belonging to the SYSTEM tablespace.

    D

    Only the data files belonging to the SYSTEM tablespace and the control files.


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    Examine the following scenario: -Database is running in ARCHIVELOG mode. -Complete consistent backup is taken every Sunday. -On Tuesday the instance terminates abnormally because the disk on which control files are located gets corrupted -The disk having active online redo log files is also corrupted. -The hardware is repaired and the paths for online redo log files and control files are still valid. Which option would you use to perform the recovery of database till the point of failure?（）
    A

    Restore the latest whole backup, perform complete recovery, and open the database normally

    B

    Restore the latest whole backup, perform incomplete recovery, and open the database with the RESETLOGS option

    C

    Restore the latest backups control file, perform complete recovery, and open the database with the RESETLOGS option

    D

    Restore the latest backup control file, perform incomplete recovery using backup control file, and open the database with the RESETLOG option


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    You issued the following commands to configure setting in RMAN; 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?（）
    A

    The backup will terminate because the FORMAT clause was not configured for the channel

    B

    It backs up two copies of data files to tape and disk, and two copies of archived log file on tape

    C

    It backs up the data files and archived log files to disk, making two copies of each data file and archived log file

    D

    It backs up the data files and archived log files to tape, making two copies of each data file and archived log file


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    Your database operates in ARCHIVELOG mode and user/x7fmanaged consistent backups are performed every Sunday night. On Tuesday， at 9：00 a.m. the current log sequence number was 369. Also， on Tuesday you lost the data file belonging to the SYSTEM tablespace and an archivelog file （sequence number 356） that contained redo entries between 8：00 a.m. and 8：30 a.m. With reference to this scenario， what would you do to recover the database？（）
    A

    restore all the data files from last Sunday’s backup， and then perform a time­based recovery

    B

    restore all the data files from last Sunday’s backup， and then perform a cancel­based recovery

    C

    restore all the data files from last Sunday’s backup， and then perform a change­based recovery

    D

    restore only data files that belong to the SYSTEM tablespace from last Sunday’s backup， and then perform a complete recovery


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    You experience a loss of the disk on which the USER_DATA tablespace data files are stored. You attempt to recover the data files but discover that the archived redo log file with sequence number 45， which is needed to perform complete recovery， is invalid. You then begin incomplete recovery-You receive this prompt：  ORA-00279：change 309012...03/09/01 11：33：56 needed for thread ORA-00289： suggestion ：   /disk1/archive/arch_45.rdo ORA-00280： change 309012 for thread 1 is in sequence #45 Specify log：  {=suggested | filename | AUTO | CANCEL}  What is the correct response？（）
    A

    Enter the keyword AUTO.

    B

    Enter the keyword CANCEL.

    C

    Press the Enter or Return key.

    D

    Provide the filename ’/disk1/archive/arcg_46.rdo’


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    Which statement is true regarding the Archiver （ARCn） process，archived log files，and recovery？ （）
    A

    A database backup, combined with archived redo log files, guarantees that all committed data can be recovered to the point of failure. 

    B

    During recovery the ARCn background process copies its redo entries identified for recovery by the control file to the data files. 

    C

    After each write to an archived log, the mandatory background process ARCn writes its log sequence number and the first and last SCN number within the log sequence to the control file. 

    D

    At database recover time, and archived redo log is uniquely identified for recovery use by its redo thread number and destination ID number retrieved from the control file.


    正确答案： A
    解析： 暂无解析

  • 第24题：

    单选题
    In your production database， users report that they are unable to generate reports on an important table because it does not contain any data. While investigating the reason， you realize that another user executed the TRUNCATE TABLE command， which accidentally caused the data to be lost. Now you want to recover the lost data of the table without affecting objects in other schemas.  Which method must you use to recover the lost data？（）
    A

     Complete Recovery with online redo log

    B

     Complete Recovery with archived redo log

    C

     Tablespace Point-in-Time Recovery （TSPITR）

    D

     Incomplete Recovery with system change number （SCN）


    正确答案： D
    解析： 暂无解析

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