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

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

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Computer Networking
The data-link layer, in reference to the OSI model, specifies

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

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