HUB. It enables computers on a network to communicate. Each computer plugs into the hub with an Ethernet cable, and information sent from one computer to another passes through the hub., SWITCH. It works the same way as hubs, but they can identify the intended destination of the information that they receive, so they send that information to only the computers that are supposed to receive it., BRIDGE. A bridge is a computer networking device that builds the connection with the other bridge networks which use the same protocol. It connects two local-area networks; two physical LANs into larger logical LAN or two segments of the same LAN that use the same protocol., ROUTER. It enable computers to communicate and they can pass information between two networks—such as between your home network and the Internet., WIRELESS ACCESS POINT. Access points provide wireless access to a wired Ethernet network., PATCH PANEL. A panel that allows multiple devices to be connected and managed in a more efficient manner., MODULAR BOX. It is a surface mounted box used in a commercial and industrial building to cleanly attach network cables., REPEATER. A network device used to regenerate or replicate a signal., RJ-45 is an 8-pin connection used for Ethernet network adapters., CABLE TESTER is a device that is used to test the strength and connectivity of a particular type of cable., PUNCH DOWN TOOL, also called a krone tool, is a hand tool used to connect telecommunications and network wires to a patch panel, punch down block, keystone module, or surface mount box., CRIMPING TOOL. A device used to conjoin two pieces of metal by deforming one or both of them in a way that causes them to hold each other., WIRE STRIPPER. A tool designed to remove the protective covering (jacket) off of a cable to expose the inner wires.

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