Atechnicianwantstoverifyaremoteprinterthathasbeenpowercycledisbackonline.Thetechnicianwouldusewhichofthefollowingcommandsandswitch?()
A. tracert-t
B. ipconfig/renew
C. ping–t
D. nslookup-ttl
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WhichactionisoptionalwhenaddinganauthenticationrealmforuseonanInfranetController?()
A. Modifysign-inpolicy.
B. Configurerolemapping.
C. Assignauthenticationserver.
D. Configureauthenticationpolicy.
样本容量的大小()。
A. 与置信概率成反比
B. 与置信概率成正比
C. 与总体方差成正比
D. 与总体方差成反比
E. 与边际误差的平方成反比
Auserhasjustinstalledanapplicationthatiscausingsysteminstabilityandlock-upsandisnotallowingacleanuninstall.Toresolvethisissue,thetechnicianshould:()
A. powercyclethesystemcompletely.
B. runanon-demandvirusscan.
C. performasystemrestore.
D. checktheinstallationeventlogs
影响样本容量大小的因素主要是()。
A. 置信概率
B. 均值
C. 总体方差
D. 样本均值
E. 边际误差