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?
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.
E
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The address 127.0.0.1 is called loopback address. When we ping 127.0.0.1, in fact we are pinging the local network card and test the TCP/IP protocol suite on our device.
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