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Anadministratorissuesthecommandping127.0.0.1fromthecommandlinepromptonaPC.Ifareplyisreceived,whatdoesthisconfirm?()

A.ThePChasconnectivitywithalocalhost.
B.ThePChasconnectivitywithaLayer3device.
C.ThePChasadefaultgatewaycorrectlyconfigured.
D.ThePChasconnectivityuptoLayer5oftheOSImodel.
E.ThePChastheTCP/IPprotocolstackcorrectlyinstalled.
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