A.Hotsite
B.Coldsite
C.Warmsite
D.Failoversite
第1题:
YouaremanaginganOracleDatabase11gdatabaserunninginARCHIVELOGmode.TheFlashRecoveryAreaisspecifiedasthedestinationforthearchivedredologfiles.Younoticethiswarninginthealertlogfile:ORA-19815:WARNING:db_recovery_file_dest_sizeof3221225472bytesis100.00%used,andhas0remainingbytesavailable.WhatwouldyoudotoreclaimtheusedspaceintheFlashRecoveryArea()
A.BackuptheFlashRecoveryArea.
B.Decreasetheretentiontimeforthedatabasebackupandflashbacklogfiles.
C.ManuallydeleteallthearchivedlogfilesfromtheFlashRecoveryAreabyusingoperatingsystem(OS)commands.
D.ManuallydeletealltheexpiredbackupsetsfromtheFlashRecoveryAreabyusingoperatingsystem(OS)commands.
第2题:
在正确的充电过程中,车载充电机上“POWER”和“RUN”两个指示灯会亮
第3题:
当充电机机接通动力电池进入充电状态后,()灯亮起
A.Power灯
B.Charge灯
C.run等
D.Error等
第4题:
A. Fiber
B. Coaxial cable
C. UTP
D. Twisted pair
第5题:
PLC锂电池电压过低时,()指示灯将点亮。
A.RUN 指示灯
B.POWER 指示灯
C.BATT 指示灯
D.ERROR指示灯
第6题:
【填空题】在PLC的面板上, POWER指示灯亮表示 、RUN指示灯亮表示 ,BATTY指示灯亮表示: PROGE亮表示 。