Computer Networking
Which of the following technique is used for Time-To-Line (TTL)?

None 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.
All of these
a technique used in best-effort delivery system to avoid endlessly looping packets.

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

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

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