首页计算机考试Oracle认证
(单选题)

You issue the following command:   RMAN>CONFIGURE BACKUP OPTIMIZATION ON;   What is the result of this command on your backups?()

A An incremental backup strategy will be used automatically.

B Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria.

C RMAN will configure itself for maximum performance at the cost of CPU.

D RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database.

E RMAN will automatically compress backups.

正确答案

来源:www.examk.com

答案解析

相似试题

  • (单选题)

    In which scenario, will you issue the following command?() RMAN> REPORT NEED BACKUP DAYS 7;

    答案解析

  • (单选题)

    You issue these LSNRCTL commands:  LSNRCTL> SET CURRENT_LISTENER listener01 LSNRCTL> START listener02  What is the result of issuing these commands?()

    答案解析

  • (单选题)

    You issued the following statement:   SQL>ALTER DATABASE ENABLE RESUMABLE TIMEOUT n;   What will be the result of issuing the above statement?()

    答案解析

  • (单选题)

    You issue this statement:ALTER DATABASE BACKUP CONTROLFILE TO TRACE;  What does the statement generate?()

    答案解析

  • (单选题)

    You are maintaining the database of a company. The listener process, listener1, is configured for remote access. You have issued the following command:   LSNRCTL>STATUS listener1   Which information will NOT be displayed when you issue the above command?() 

    答案解析

  • (单选题)

    You issued the following command at the UNIX environment:   % setenv ORA_SDTZ ’OZ_TZ’   What will be the impact of issuing the above command?()  

    答案解析

  • (多选题)

    You notice that the performance of the database has degraded because of frequent checkpoints.  Which twoactions resolve the issue()

    答案解析

  • (单选题)

    You enable block change tracking. You issue the following command:   BACKUP INCREMENTAL LEVEL 0 DATABASE;   The next day,you issue the following command:   BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;   Which statement about the use of the change tracking file is true?()  

    答案解析

  • (单选题)

    You issued the RMAN>SHOW ALL; command. The output of this command is as follows: After analyzing the output, which conclusion will you draw?()

    答案解析

  • (单选题)

    You issued the RMAN> SHOW ALL; command. The output of this command is as follows:   After analyzing the output, which conclusion will you draw?()

    答案解析

快考试在线搜题