Network Components and Descriptions

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Network Component

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Description

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Router

Back

A device that forwards data packets between computer networks.

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Switch

Back

A device that connects devices within a single network and uses MAC addresses to forward data to the correct destination.

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Hub

Back

A basic networking device that connects multiple Ethernet devices, making them act as a single network segment.

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Modem

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A device that modulates and demodulates signals for data transmission over telephone lines.

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Access Point

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A device that allows wireless devices to connect to a wired network using Wi-Fi.

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Firewall

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A network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

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Network Interface Card (NIC)

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A hardware component that allows a device to connect to a network.

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Repeater

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A device that receives and retransmits signals to extend the range of a network.

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Bridge

Back

A device that connects two or more network segments, making them function as a single network.