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You are managing a 24*7 database

题目

You are managing a 24*7 database. The backup strategy for the database is to perform user-managedbackups.Identify two prerequisites to perform the backups. (Choose two.)（）

  • A、The database must be opened in restricted mode.
  • B、The database must be configured to run in ARCHIVELOG mode.
  • C、The tablespaces are required to be in backup mode before taking the backup.
  • D、The tablespaces are required to be in read-only mode before taking the backup
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相似问题和答案

第1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2题：

You are working on the 24X7 database with high transaction volume， to ensure faster instance recovery on your database you set the FAST_START_MTTR_TARGET initialization parameter to a very low value. What effect it will have on the database？（）

  • A、The database performance would be enhanced.
  • B、The redo log files would be get filled more frequently.
  • C、The overall database performance would be degraded.
  • D、The mean time to recover （MTTR） would be increased.

正确答案:C

第3题：

You are managing a 24*7 database. The backup strategy for the database is to perform user－managed backups. Identify two prerequisites to perform the backups.()

A. The database must be opened in restricted mode.

B. The database must be configured to run in ARCHIVELOG mode.

C. The tablespaces are required to be in backup mode before taking the backup.

D. The tablespaces are required to be in read-only mode before taking the backup


参考答案：B, C

第4题：

You are managing a single instance Oracle 10g database that utilizes the following parameters：  Which of the following set of commands must you execute to enable Flashback Database？（）

  • A、  STARTUP MOUNT EXCLUSIVE  ALTER DATABASE FLASHBACK ON；  ALTER DATABASE OPEN；
  • B、  STARTUP MOUNT  ALTER DATABASE FLASHBACK ON；  ALTER DATABASE OPEN RESETLOGS；
  • C、  STARTUP MOUNT EXCLUSIVE  ATLER DATABASE ARCHIVELOG；  ALTER DATABASE FLASHBACK ON；  ALTER DATABASE OPEN RESETLOGS；
  • D、  STARTUP MOUNT  ALTER DATABASE ARCHIVELOG；  ALTER DATABASE FLASHBACK ON；  ALTER DATABASE OPEN；

正确答案:D

第5题：

You are managing an Oracle Database 11g database. The database is open， and you plan to perform Recovery Manager （RMAN） backups.  Which three statements are true about these backups（）

  • A、The backups would be consistent.
  • B、The backups would be inconsistent.
  • C、The backups would be possible only if the database is running in ARCHIVELOG mode.
  • D、The backups would be possible only if the database is running in NOARCHIVELOG mode.
  • E、The backups need to be restored and the database has to be recovered in case of a media failure

正确答案:B,C,E

第6题：

You are managing the APPPROD database as a DBA. You plan to duplicate this database in the same system with the name DUPDB.You issued the following RMAN commands to create a duplicate database:Which three are the prerequisites for the successful execution of the above command?（）

A. The source database should be open

B. The target database should be in ARCHIVELOG mode if it is open

C. RMAN should be connected to both the instances as SYSDBA

D. The target database backups should be copied to the source database backup directories

E. The password file must exist for the source database and have the same SYS user password as the target


参考答案：B, C, E

第7题：

You are managing an Oracle Database 11g database. You configured the database to run in ARCHIVELOGmode.  Which two statements are true in this scenario（）

  • A、You must shut down the database instance to perform the backups.
  • B、You must configure the Flash Recovery Area （FRA） for the database.
  • C、You can perform complete database backups without closing the database.
  • D、All the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.

正确答案:C,D

第8题：

You are managing an Oracle Database 11g instance.You want to create a duplicate database for testing purpose. What are the prerequisites for performing the active database duplication?()

A. The source database backup must be copied over the net for test database.

B. The source database must be run in ARCHIVELOG mode if the database is open.

C. The source database must be shut down cleanly if the database is in mounted state.

D. A net service name should be set up and a listener configured with the target as well as the source database.


参考答案：B, C, D

第9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10题：

多选题
Which two requirements are critically important to implement for your database backup strategy if you require a 24 hours a day， 7 days a week production environment？（）
A

ARCHIVELOG mode.

B

NOARCHIVELOG mode.

C

Open database backups.

D

Consistent whole backups.


正确答案： A,B
解析： 暂无解析

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