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

None of these
All of these
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
the interface between the X.25 network and packet mode device

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Computer Networking
Which of the following characteristic(s) is/are suited to the PSS applications?

widely dispersed terminals and access to international packets switched services
Multiple remote host or applications accessed by a single local access circuit terminal and circuit
bursty traffic and low communications intensity
All of these
None of these

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