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

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

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Computer Networking
A proposed network infrastructure of interconnected local, regional, and global networks that would support universal interactive multimedia communications. Select the best fit for answer:

None of these
Information super highway
Internetworked enterprise
Business applications of telecommunications
Client/Server networks

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