Computer Networking
A form of modulation In which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal, is known as

None of these
Angle modulation
Aloha
modem
Amplitude modulation

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Computer Networking
ICMP (Internet Control Message Protocol) is

a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
a TCP/IP high level protocol for transferring files from one machine to another
a protocol that handles error and control messages
a protocol used to monitor computers
None of these

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