单选题Examine the following scenario: The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same h

题目
单选题
Examine the following scenario: The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host, using the Recovery Manager (RMAN) duplicate command as follows:   RMAN> RUN { ALLOCATE AUXILIARY CHANNEL aux 1 DEVICE TYPE DISK;  DUPLICATE TARGET DATABASE TO auxdb; }   Which statement is true about the duplicate database in this scenario?()
A

 It contains data till the last backup

B

 It contains all data from target database until the current time

C

 It contains all data from only the committed transactions in the target database

D

 It contains all data except that which is used by the transactions in the current online redo file of target database

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相似问题和答案

第1题:

Which two statements are correct about database transportation? ()

A. The source and target platforms must be the same

B. Redo logs, control files and temp files are also transported

C. The transported database must have the same database identifier (DBID) as the source database and cannot be changed

D. The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported

E. Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format


参考答案:D, E

第2题:

Which two statements are correct about database transportation?() (Choose two.)

A. The source and target platforms must be the same

B. Redo logs, control files and temp files are also transported

C. The transported database must have the same database identifier (DBID) as the source database and cannot be changed

D. The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported

E. Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format


参考答案:D, E

第3题:

Which two operations are NOT performed by the DUPLICATE command in Recovery Manager (RMAN)while duplicating a running database?()

A. Creating the control file for the duplicate database

B. Restoring the target data files to the duplicate database

C. Performing complete recovery using all available backups

D. Generating a new, unique DBID for the duplicate database

E. Copying the online redo log files from the target database to the duplicate database


参考答案:C, E

第4题:

Examine the following scenario:The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host, using the Recovery Manager (RMAN) duplicate command as follows:Which statement is true about the duplicate database in this scenario?()

A. It contains data till the last backup

B. It contains all data from target database until the current time

C. It contains all data from only the committed transactions in the target database

D. It contains all data except that which is used by the transactions in the current online redo file of target database


参考答案:D

第5题:

Which two operations are NOT performed by the DUPLICATE command in Recovery Manager (RMAN) whileduplicating a running database? ()(Choose Two)

A. Creating the control file for the duplicate database

B. Restoring the target data files to the duplicate database

C. Performing complete recovery using all available backups

D. Generating a new, unique DBID for the duplicate database

E. Copying the online redo log files from the target database to the duplicate database


参考答案:C, E

第6题:

You are managing the APPPROD database as a DBA which is not using the Oracle-managed files. You plan to duplicate this database in the same system with the name DUPDB.You want to create the same directory structure for duplicate database files as of the target database.You executed the following RMAN commands:What are the implications of this command?()

A. It creates database files for the duplicate database under the Oracle base with a different directory for the duplicate database.

B. It overwrites data files of the target database because a different location for data files is not mentioned for the duplicate database.

C. It creates database files for the duplicate database under the same Oracle home as that of the target database with the same directory structure.

D. It creates database files for the duplicate database under the same Oracle home as that of the target but with a different directory for the duplicate database.


参考答案:B

第7题:

You are using a recovery catalog to maintain Recovery Manager (RMAN) backup information for yourproduction database. You have registered your production database and are performing regular backups.Because of a new requirement you have added a few new tablespaces to your production database and youwant them to be included in backups.Identify two options for completing this task. ()(Choose two.)

A. Reregistering the target database in recovery catalog

B. Transporting the new tablespaces to the recovery catalog database

C. Syncronizing the recovery catalog with the target database control file

D. Performing a fresh backup of the target database to include the new data files in the catalog database


参考答案:C, D

第8题:

Examine the following command that is used to duplicate a database on the same host:Which two statements describe the effect after the database is duplicated successfully? ()

A. The data files of the read-only tablespaces in the target database are not duplicated

B. The read-only tablespaces in the target database are still defined in new the database

C. The read-only tablespaces in the target database are changed to online after duplication

D. The data files of the read-only tablespaces in the target database get duplicated

E. The read-only tablespaces in the target database are not defined in the new database


参考答案:A, B

第9题:

Examine the following command that is used to duplicate a database on the same host:RMAN> RUN{ALLOCATE AUXILIARY CHANNEL, aux 1 DEVICE TYPE DISK;DUPLICATE TARGET DATABASE TO auxdb SKIP READONLY; \ }Which two statements describe the effect after the database is duplicated successfully? ()(Choose two)

A. The data files of the read-only tablespaces in the target database are not duplicated

B. The read-only tablespaces in the target database are still defined in new the database

C. The read-only tablespaces in the target database are changed to online after duplication

D. The data files of the read-only tablespaces in the target database get duplicated

E. The read-only tablespaces in the target database are not defined in the new database


参考答案:A, B

第10题:

Your database is configured in NOARCHIVELOG mode. All the control files have been lost due to a hard disk failure but the data files are not lost. You have the closed whole database backup available to you.  Which two statements are true in this scenario?()

  • A、The instance aborts.
  • B、The database cannot be recovered.
  • C、The database can be recovered by restoring the control files from the backup.
  • D、The database remains opened and you have to shut it down with the ABORT option.
  • E、The database can be restored till the point of the last closed whole database backup.

正确答案:A,E

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