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

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
All of these
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
a technique used in best-effort delivery system to avoid endlessly looping packets.

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Computer Networking
Communication network is

a collection of interconnected functional units that provides a data communications service among stations attached to the network
the condition with two or more stations attempt to use the same channel at the same time
a continuous frequency capable of being modulated or impressed with a second signal
one or more conductors that serve as a common connection for a related group of devices
None of these

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Computer Networking
Bandlimited signal is

transmission of signals without modulation
All of these
simultaneous transmission of data to a number of stations
a signal all of whose energy is contained within a finite frequency range
None of these

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