中断分离指令DTCH截断一个中断事件(EVNT)和所有中断程序的联系,但并不禁止该中断事件。()
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暂停指令能够使PLC从RUN到STOP,但不能立即终止主程序的执行。()
YourcompanyhasaserverthatrunsWindowsServer2008R2.TheserverrunsaninstanceofActiveDirectoryLightweightDirectoryServices(AD?LDS).YouneedtoreplicatetheAD?LDSinstanceonatestcomputerthatislocatedonthenetwork.Whatshouldyoudo()
A. Runtherepadmin/kcccommandonthetestcomputer.
B. CreateanamingcontextbyrunningtheDsmgmtcommandonthetestcomputer.
CreateanewdirectorypartitionbyrunningtheDsmgmtcommandonthetestcomputer.
D. CreateandinstallareplicabyrunningtheADLDSSetupwizardonthetestcomputer.
有条件结束指令将根据前面的逻辑关系决定是否终止用户程序。()
块传送指令的操作数N指定被传送数据块的长度,采用双字寻址。()