Whether shared or dedicated segments are involved, the primary goal of aNo is to isolate a particular pattern of traffic from other patterns of traffic or from the remainder of the network

Switch

Explanation:

A switch refers to a networking hardware that controls the flow of network packets by isolating a particular pattern of traffic from a hub from other hub within the network. A switch helps in directing a message to a specific host in a connection of multiple hosts, manages the traffic and keep electrical signal undistorted. Another goal of a switch is that it increases the bandwidth in a network

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is there a year set? the question is incomplete