Computer Networking
Communication circuits that transmit data in both directions but not at the same time are operating in

a simplex mode
a half-duplex mode
an asynchronous mode
a full-duplex mode
None of these

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Computer Networking
Which of the following technique is used for fragment?

a technique used in best-effort delivery systems to avoid endlessly looping packets
All of these
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
None of these

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