It protects a computer network from unauthorized access.
Network firewall
Type of network that connect larger geographic areas, such as Florida, the United States, or the world.
Wide Area Networks (WANs)
They translate digital signals from a computer into analog signals that can travel across conventional phone lines.
Modem
It is a device that connects a client computer, server, printer or other component to your network.
Network interface
A device filters data traffic at a network boundary.
Bridge
It is a device that gathers the signals from devices that are connected to it, and then regenerates a new copy of each signal.
Ethernet switch
It is a small, simple, inexpensive device that joins multiple computers together.
Hub
Type of network that is confined to a relatively small area.
Local Area Network (LAN)
A popular type of cable used in computer networking that consists of two shielded wires twisted around each
Unshielded Twisted Pair (UTP)
Used to drive or fasten positive slotted screws
Philips Screwdriver
Used to drive or fasten negative slotted screws
Flat Screwdriver
A piece of hardware that produces a paper copy (also known as ‘hardcopy’) of the information generated by the computer.
Printer
A connector on the back of a computer or other device.
Port hub /Port
A hardware interface for low-speed peripherals such as the keyboard, mouse, joystick, scanner, printer and telephony devices.
Universal Serial Bus (USB)
