Computer Networking
CSMA (Carrier Sense Multiple Access) is

a method of determining which device has access to the transmission medium at any time
network access standard for connecting stations to a circuit-switched network
a very common bit-oriented data link protocol issued by ISO.
None of these
a method access control technique for multiple-access transmission media.

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

bursty traffic and low communications intensity
None of these
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
All of these

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