Computer Networking
Modulation is the process of

converting analog signals to digital signals
converting digital signals to analog signals
Multiplexing various signals into high speed line signals
performing data encryption.

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

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

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