Computer Networking
When you ping the loopback address, a packet is sent where?

through the loopback dongle
None of these
Across the wire
On the network
Down through the layers of the IP architecture and then up the layers again

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Computer Networking
The network layer, in reference to the OSI model, provide

the interface between the X.25 network and packet mode device
None of these
the virtual circuit interface to packet-switched service
All of these
data link procedures that provide for the exchange of data via frames that can be sent and received

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