This exercise you use the ping utility to test the

this exercise, you use the Ping utility to test the computer’s
communications capabilities.
Completion time 10 minutes
Question
3
What does this result prove about the computer’s network
connectivity?
Getting a reply from 127.0.0.1 proves that the tcp/ip protocol
is functioning and that the NIC is working. This is the
loopback address and basically tests that the NIC is working.
Question
4
What would be the result if you unplugged a computer’s
network cable before executing the ping 127.0.0.1
command?
The test to this ipaddress is local to the device, so even if the
network cable is unplugged it should receive a reply.
Question
5
What does the result of this ping test prove?
Question
6
How was the computer able to resolve the name svr-dc-a into
its IP address?

MOAC 70-410 - Installing and Configuring Windows Server 2012 Lab Manual
and the server knows its own ip address.
Question
7
Why did these three ping tests fail, when the previous tests
succeeded?