Examine the following impdp command to import a database over the network from a pre-12c Oracledatabase (source): Which three are prerequisites for successful execution of the command?（）

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  A .  when ASM disk goes offline B .  when one or more ASM files are dropped C .  when some disks in a disk group are offline D .  when some disks in a failure group for a disk group are rebalancing

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• Examine the following command: SQL> ALTER TABLE booking SHRINK SPACE COMPACT; Which activity is performed when the preceding command is executed?（）

  A . The shrink operation touches every block in the BOOKING table B . The high-water mark (HWM) for the BOOKING table is shifted from its original position C . The progress of the shrink operation is saved in the bitmap blocks of the BOOKING table D . The data manipulation language (DML) triggers on the BOOKING table are executed because the shrink operation is internally handled by the INSERT/DELETE operatio

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• Examine the following RMAN command: RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON; RMAN> BACKUP DATABASE PLUS ARCHIVELOG; Which prerequisite must be met before accomplishing the backup?（）

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• Examine the following command: ALTER DISKGROUP data MOUNT FORCE; In which scenario can you use the above command to mount the disk group? （）

  A . when ASM disk goes offline B . when one or more ASM files are dropped C . when some disks in a disk group are offline D . when some disks in a failure group for a disk group are rebalancing

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• Examine the following command：   SQL> ALTER TABLE booking SHRINK SPACE COMPACT；   Which activity is performed when the preceding command is executed？（）

  A .  The shrink operation touches every block in the BOOKING table B .  The high-water mark （HWM） for the BOOKING table is shifted from its original position C .  The progress of the shrink operation is saved in the bitmap blocks of the BOOKING table D .  The data manipulation language （DML） triggers on the BOOKING table are executed because the shrink operation is internally handled by the INSERT/DELETE operatio

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• Examine the following ALTER command: SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?（）

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  A .  Provide a password for the encryption B .  Set up an Oracle wallet for the encryption C .  No setup is required as it is a default encryption method D .  Both Oracle wallet and password must be set up for the encryptio

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• Examine the following command; ALTER SYSTEM SET enable_ddl_logging = TRUE; Which statement is true?（）

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• Examine the following RMAN command: https://assets.asklib.com/images/image2/201808021135212163.jpg Which two statements are true regarding the backup taken by using the above RMAN command?（）

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• Examine the following RMAN script：   RMAN> run { debug on；  allocate channel c1 type disk； backup datafile 5； }   Which statement describes the purpose of the script？（）  

  A .  The data file is checked for physical corruption and backed up if found clean. B .  The backup of data file 5 is performed and the interactive messages during the backup are suppressed. C .  The existing backup for the data file is checked and the backup is performed if there are changes in the data file after the last backup. D .  The backup of data file 5 is performed and all SQL statements that are executed during RMAN compilation and their results are displayed

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  A . The execution of the script fails because multiple channels cannot coexist. B . The script is executed and both the channels are used for the script execution. C . The new channel, CHI, is Ignored because a channel has been configured already. D . ration parameter DC1 is overridden because a new channel is allocated in RMAN RUN block.

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• Examine the following ALTER command：   SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS；   What is the purpose of the command？（）  

  A .  It cancels all pending disk drops within the disk group. B .  It restores disks that are being dropped as the result of a DROP DISKGROUP operation C .  It mounts disks in the disk group for which the drop-disk operation has already been co pleted D .  It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed E .  It adds previously dropped disks back into the disk grou

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  A . The data file is checked for physical corruption and backed up if found clean. B . The backup of data file 5 is performed and the interactive messages during the backup are suppressed. C . The existing backup for the data file is checked and the backup is performed if there are changes in the data file after the last backup. D . The backup of data file 5 is performed and all SQL statements that are executed during RMAN compilation and their results are displayed

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  A. All database operations performed by the impdp command are logged. B. Only CREATE INDEX and CREATE TABLE statements generated by the import are logged. C. Only CREATE TABLE and ALTER TABLE statements generated by the import are logged. D. None of the operations against the master table used by Oracle Data Pump to coordinate its activities are logged.

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  A. Provide a password for the encryption B. Set up an Oracle wallet for the encryption C. No setup is required as it is a default encryption method D. Both Oracle wallet and password must be set up for the encryption

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• Examine the following ALTER command:SQL＞ ALTER DISKGROUP dgroup1 UNDROP DISKS;What is the purpose of the command？（）

  A. It cancels all pending disk drops within the disk group B. It restores disks that are being dropped as the result of a DROP DISKGROUP operation C. It mounts disks in the disk group for which the drop-disk operation has already been completed D. It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed E. It adds previously dropped disks back into the disk group

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