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An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC.If a reply is received, what does this confirm?()

题目

A.The PC has connectivity with a local host.

B.The PC has connectivity with a Layer 3 device.

C.The PC has a default gateway correctly configured

D.The PC has connectivity up to Layer 5 of the OSI model

E.The PC has the TCP/IP protocol stack correctly installed.

参考答案
参考答案:E