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多选题The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace. To accomplish the task， you issued the following command：  SQL> ALTER TABLESPACE hi

题目
多选题
The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace. To accomplish the task， you issued the following command：  SQL> ALTER TABLESPACE hi_data BEGIN BACKUP；   Which two statements are true in this scenario？（）
A

No transaction on the tablespace is allowed but you can perform queries.

B

The tablespace will automatically come out of backup mode when the file copy is complete.

C

The checkpoint change number is frozen in headers of the data files until the file is removed from backup mode.

D

The database writes the before image of an entire block to the redo stream before modifying. block tor the first time.

相似考题

1.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 switchB. You should make a backup of the databaseC. You should switch the database to the NONARCHIVELOG modeD. You should shut down the database instance and perform a complete database recovery

2.Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN.Examine the following command and its output:You execute the following command:RMAN > BACKUP DATABASE PLUS ARCHIVELOG;Which data files will be backed up?（）A. Data files that belong to only the root containerB. Data files that belong to the root container and all the pluggable databases (PDBs)C. Data files that belong to only the root container and PDB$SEEDD. Data files that belong to the root container and all the PDBs excluding PDB$SEED

3. You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true?（）A、You must have change tracking enabled in your databaseB、Your database must be running in NOARCHIVELOG modeC、To back up a tablespace, it must be in backup modeD、To back up a tablespace, it must first be taken offline

4.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

更多“多选题The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace. To accomplish the task， you issued the following command：  SQL ALTER TABLESPACE hi_”相关问题

  • 第1题：

    Your database is running in ARCHIVELOG mode. The SCOTT.EMP table belongs to the DATA1 tablespace. The junior DBA erroneously runs a script that executes the following statement：   SQL> DROP TABLE SCOTT.EMP PURGE；   After one hour， you are performing the user managed incomplete recovery. Which datafiles will you restore from the last full backup？（）

    • A、 the datafiles associated with the SYSTEM tablespace
    • B、 the datafiles associated to the DATA1 tablespace
    • C、 the datafiles associated to the SYSTEM and DATA1 tablespaces
    • D、 all the datafiles in the database

    正确答案:D

  • 第2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3题：

    You are working on a database that must be functioning 24 hours a day， 7 days a week. The databaseis configured in ARCHIVELOG mode.  Which two options do you have for performing user-managed backups（）

    • A、You can perform consistent backups only.
    • B、You can perform a complete database backup without shutting down the database instance.
    • C、You can back up data files only when all data files have the same SCN recorded in the control file.
    • D、You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands.

    正确答案:B,D

  • 第4题：

    The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace.To accomplish the task, you issued the following command: SQL> ALTER TABLESPACE hi_data BEGIN BACKUP; Which two statements are true in this scenario? （）

    • A、No transaction on the tablespace is allowed but you can perform queries.
    • B、The tablespace will automatically come out of backup mode when the file copy is complete.
    • C、The checkpoint change number is frozen in headers of the data files until the file is removed from backup mode.
    • D、The database writes the before image of an entire block to the redo stream before modifying. block tor the first time.

    正确答案:A,C

  • 第5题：

    The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace. To accomplish the task， you issued the following command：  SQL> ALTER TABLESPACE hi_data BEGIN BACKUP；   Which two statements are true in this scenario？（）  

    • A、 No transaction on the tablespace is allowed but you can perform queries.
    • B、 The tablespace will automatically come out of backup mode when the file copy is complete.
    • C、 The checkpoint change number is frozen in headers of the data files until the file is removed from backup mode.
    • D、 The database writes the before image of an entire block to the redo stream before modifying. block tor the first time.

    正确答案:A,C

  • 第6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7题：

    To accomplish user-managed backup for the USERS tablespace, you issued the following command to put the database in backup mode: SQL> ALTER TABLESPACE users BEGIN BACKUP; While copying the file to the backup destination a power outage caused the instance to terminate abnormally. Which statement is true about the next database startup and the USERS tablespace?（）

    • A、The database will open, and the tablespace automatically comes out of the backup mode
    • B、The database will be mounted, and recovery must be performed on the USERS tablespace.
    • C、The database will be mounted, and data files in the USERS tablespace must be taken out of the backup mode.
    • D、The database will not be mounted, and you must restore all the data files for the USERS tablespace from the backup, and perform recovery.

    正确答案:C

  • 第8题：

    多选题
    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： A,B
    解析： 暂无解析

  • 第9题：

    单选题
    Your database is running in ARCHIVELOG mode. You are performing a user-managed backup of the DATA1 tablespace. You place the DATA1 tablespace in backup mode by issuing the following statement: ALTER TABLESPACE data1 BEGIN BACKUP; While you are performing the backup, an error occurs that causes the instance to terminate abnormally. Which statement about the DATA1 tablespace is true?（）
    A

    The DATA1 tablespace is automatically taken out of backup mode when the instance aborts.

    B

    If you restart the database, the DATA1 tablespace will be automatically taken out of backup mode when the database is opened.

    C

    If you restart the database, the DATA1 tablespace will be automatically taken out of backup mode when the database is mounted.

    D

    If you restart the database, the database will not be opened.


    正确答案： B
    解析： 暂无解析

  • 第10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11题：

    多选题
    The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace. To accomplish the task， you issued the following command：  SQL> ALTER TABLESPACE hi_data BEGIN BACKUP；   Which two statements are true in this scenario？（）
    A

    No transaction on the tablespace is allowed but you can perform queries.

    B

    The tablespace will automatically come out of backup mode when the file copy is complete.

    C

    The checkpoint change number is frozen in headers of the data files until the file is removed from backup mode.

    D

    The database writes the before image of an entire block to the redo stream before modifying. block tor the first time.


    正确答案： A,C
    解析： 暂无解析

  • 第12题：

    单选题
    Your database is running in ARCHIVELOG mode. The SCOTT.EMP table belongs to the DATA1 tablespace. The junior DBA erroneously runs a script that executes the following statement：   SQL> DROP TABLE SCOTT.EMP PURGE；   After one hour， you are performing the user managed incomplete recovery. Which datafiles will you restore from the last full backup？（）
    A

     the datafiles associated with the SYSTEM tablespace

    B

     the datafiles associated to the DATA1 tablespace

    C

     the datafiles associated to the SYSTEM and DATA1 tablespaces

    D

     all the datafiles in the database


    正确答案： C
    解析： 暂无解析

  • 第13题：

    To accomplish user-managed backup for the USERS tablespace， you issued the following command to put the database in backup mode：   SQL> ALTER TABLESPACE users BEGIN BACKUP；   While copying the file to the backup destination a power outage caused the instance to te minate abnormally.  Which statement is true about the next database startup and the USERS tablespace？（）  

    • A、 The database will open，and the tablespace automatically comes out of the backup mode.
    • B、 The database will be mounted，and recovery must be performed on the USERS tablespace.
    • C、 The database will be mounted，and data files in the USERS tablespace must be taken out of the backup mode.
    • D、 The database will not be mounted，and you must restore all the data files for the USERS tablespace from the backup，and perform recovery.

    正确答案:C

  • 第14题：

    Your database is running in ARCHIVELOG mode. You are performing a user-managed backup of the DATA1 tablespace.  You place the DATA1 tablespace in backup mode by issuing the following statement：   ALTER TABLESPACE data1 BEGIN BACKUP；   While you are performing the backup， an error occurs that causes the instance to terminate abnormally. Which statement about the DATA1 tablespace is true？（）  

    • A、 The DATA1 tablespace is automatically taken out of backup mode when the instance aborts.
    • B、 If you restart the database，the DATA1 tablespace will be automatically taken out of backup mode  when the database is opened.
    • C、 If you restart the database，the DATA1 tablespace will be automatically taken out of backup mode  when the database is mounted.
    • D、 If you restart the database，the database will not be opened.

    正确答案:D

  • 第15题：

    Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN. Examine the following command and its output: You execute the following command: RMAN > BACKUP DATABASE PLUS ARCHIVELOG; Which data files will be backed up?（）

    • A、Data files that belong to only the root container
    • B、Data files that belong to the root container and all the pluggable databases (PDBs)
    • C、Data files that belong to only the root container and PDB$SEED
    • D、Data files that belong to the root container and all the PDBs excluding PDB$SEED

    正确答案:B

  • 第16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17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18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19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20题：

    多选题
    You are working on a database that must be functioning 24 hours a day， 7 days a week. The database isconfigured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups（）
    A

    You can perform consistent backups only.

    B

    You can perform a complete database backup without shutting down the database instance.

    C

    You can back up data files only when all data files have the same SCN recorded in the control file.

    D

    You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands


    正确答案： A,C
    解析： 暂无解析

  • 第21题：

    多选题
    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
    解析： 暂无解析

  • 第22题：

    多选题
    You are working on a database that must be functioning 24 hours a day， 7 days a week. The databaseis configured in ARCHIVELOG mode.  Which two options do you have for performing user-managed backups（）
    A

    You can perform consistent backups only.

    B

    You can perform a complete database backup without shutting down the database instance.

    C

    You can back up data files only when all data files have the same SCN recorded in the control file.

    D

    You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands.


    正确答案： A,D
    解析： 暂无解析

  • 第23题：

    单选题
    You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true?（）
    A

    You must have change tracking enabled in your database

    B

    Your database must be running in NOARCHIVELOG mode

    C

    To back up a tablespace, it must be in backup mode

    D

    To back up a tablespace, it must first be taken offline


    正确答案： A
    解析： 暂无解析

  • 第24题：

    多选题
    The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace.To accomplish the task, you issued the following command: SQL> ALTER TABLESPACE hi_data BEGIN BACKUP; Which two statements are true in this scenario? （）
    A

    No transaction on the tablespace is allowed but you can perform queries.

    B

    The tablespace will automatically come out of backup mode when the file copy is complete.

    C

    The checkpoint change number is frozen in headers of the data files until the file is removed from backup mode.

    D

    The database writes the before image of an entire block to the redo stream before modifying. block tor the first time.


    正确答案： D,A
    解析： 暂无解析

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