参考答案和解析
参考答案:B
更多“Which of the following disaster recovery sites requires power and cabling to be run before it can be used?() ”相关问题
  • 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.


    参考答案:A, B

  • 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


    自动检测整个电池组的充电电压;自动检测整个电池组的充电电流;自动控制充电过程;可根据设定的充电模式自动调整输出电压

  • 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


    错误

  • 第4题:

    Which of the following describes what the number two represents in l00Base2 cabling?()

    A. Fiber

    B. Coaxial cable

    C. UTP

    D. Twisted pair


    参考答案:B

  • 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


    BATT 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 。


    电源