Computer Networking
Carrier is

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

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
ICMP (Internet Control Message Protocol) is

a protocol that handles error and control messages
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 used to monitor computers
None of these

ANSWER DOWNLOAD EXAMIANS APP