当前位置:1Z0-053题库

问题:

[单选] You want to use the automatic management of backup and recovery operations features for your database. Which configuration must you set?()

A .  Enable the flash recovery area and specify it as the archived redo log destination.
B .  Disable the flash recovery area and start the database instance in ARCHIVELOG mode.
C .  Enable the flash recovery area but do not specify it as the archived redo log destination. 
D .  Disable the flash recovery area and start the database instance in NOARCHIVELOG mode.

Every Sunday, consistent backups are performed on your database. Because of a user error, you performed an incomplete recovery on Tuesday and opened the database with the RESETLOGS option. A user error occurs again on Thursday, which necessitates an incomplete recovery. Sunday’s backup is the most recent backup available. What would you do in this scenario?() recovery cannot be performed because a backup was not performed after the last incomplete recovery。 restore all the files from Sunday’s backup, and then perform an incomplete recovery up to the point in time when the user error occurred on Thursday。 restore all the files from Sunday’s backup, and then recover up to the point in time when the RESETLOGS operation was performed on Tuesday。 restore all the files from Sunday’s backup, and open the database to reset the database to the point in time when the backup was performed on Sunday。 A system administrator has a two-disk volume group (testvg) with one logical volume (testlv) which has just been mirrored across both disk drives. Which of the following commands can be used to turn off quorum?() chvg -Qn testvg。 chlv -Qn testlv。 varyoffvg testvg; varyonvg -Qn testvg。 varyoffvg testvg; exportvg testvg; importvg -Qn testvg; varyonvg testvg。 A customer has requested five rack mounted servers, and a rack. They want redundant power connections. Which of the following is required to meet these requirements?() Redundant power supplies on the servers。 Redundant PDUs in the rack。 edundant power supplies in the servers and redundant PDUs in the rack。 Redundant power supplies in the servers, redundant PDUs in the rack, and Active Energy Manager (AEM)。 A system administrator issued the errpt command and had no results. The system administrator determined that error logging was turned off. Which of the following commands should be used to start logging system errors?() /usr/bin/errmsg。 /usr/lib/errdemon。 /usr/lib/errlogger。 /usr/bin/errinstall。 针对某个问题或侧面而撰写的报告,属于按市场调查报告内容分类中的()。 综合报告。 专题报告。 研究性报告。 技术报告。 You want to use the automatic management of backup and recovery operations features for your database. Which configuration must you set?()
参考答案:

  参考解析

本题暂无解析

在线 客服