题目内容

AnadministratorisinchargeofseveralremoteserversinJapan.Userscallandcomplaintheycannotconnecttothecompany’sresourceslocatedonthoseservers.Whichofthefollowingcommandswouldallowtheadministratortoverifytheserversarerunning？（）

A. ping
B. netstat
C. nbtstat
D. telnet

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