题目内容

Your company has an Active Directory domain that runs Windows Server 2008 The Sales OU contains an OU for Computers, an OU for Groups, and an OU for Users You perform nightly backups. An administrator deletes the Groups OU You need to restore the Groups OU without affecting users and computers in the Sales OU What should you do()

A. Perform an authoritative restore of the Sales O
B. Perform an authoritative restore of the Groups O
C. Perform a non-authoritative restore of the Groups O
D. Perform a non-authoritative restore of the Sales O

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甲、乙、丙三种溶液分别是NaCL、NaBr、NaI中的一种,向甲中加入淀粉溶液和氯水后颜色变橙色,再向其中加入丙溶液,橙色略变浅,则甲、乙、丙依次是()

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A. 成反比
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数据库中有一张表名为Emp,包含有如下列:EmpNO(雇员编号,Varchar(20),Pk),Job(职位Varchar(10)),HirDate(雇佣日期,Date),Sal(月薪,Float),Comm(奖金,Float,可为空)。查询出雇员编号为791,792,793的雇员信息是()

A. Select * From Emp Where EmpNO In('791','792','793')
B. Select * From Emp Where EmpNO ='791' Or EmpNO='792' OR EmpNO='793'
C. Select * From Emp Where EmpNO >='791' And EmpNO<='793'
D. Select * From Emp Where EmpNO >'791' And EmpNO

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