题目内容

ExaminethefollowingRMANscript: Whichstatementdescribesthepurposeofthescript?()

A. Thedatafileischeckedforphysicalcorruptionandbackedupiffoundclean.
B. Thebackupofdatafile5isperformedandtheinteractivemessagesduringthebackuparesuppressed.
C. Theexistingbackupforthedatafileischeckedandthebackupisperformediftherearechangesinthedatafileafterthelastbackup.
D. Thebackupofdatafile5isperformedandallSQLstatementsthatareexecutedduringRMANcompilationandtheirresultsaredisplayed

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决策的基本特征如下()

A. 决策都是为了达到一个目标,没有目标无法进行系统决策
B. 决策总是在一定的条件下追求目标的优化
C. 决策过程是从若干个有价值的方案中选择最优,选择过程就是一个优化过程
D. 决策具有可行性
E. 决策具有随意性

南昌起义、秋收起义、广州起义给我党最深刻的历史教训是()

A. 必须武装反对国民党反动派
B. 必须建立人民军队
C. 必须走农村包围城市的道路

A system administrator has created tty2 on a serial port connection to a system. When attempting to verify the connection the following error is observed: # cu -ml tty2 cu: 0835-028 The connection failed. NO DEVICES AVAILABLE. Which of the following should be performed to correct this error?()

A. Create an entry for tty2 in the /etc/uucp/Devices file
B. Re-enter the command as "cu -dml tty2"
Create an entry for tty2 in the /etc/uucp/Systems file
D. Re-enter the command as "cu -s 9600 -dh -t -l tty2"

JS12 刀片是否可以兼容BladeCenter S、BladeCenter T、BladeCenter H、BladeCenter E刀片中心?()

A. 可以
B. 不可以

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