A.tracertcorp7.microsoft.com B.routecort7.microsoft.com C.pingcorp7.microsoft.com D.netstatcorp7.microsoft.com
A.everyone B.administrators C.powerusers D.users
A.CMD B.MMC C.AUTOEXE D.TTY
A.tracert B.ipconfig C.nslookup D.arp
A.检查网络连接电缆 B.检查网卡的工作状态 C.检查DNS服务器地址配置 D.查杀病毒
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