What are the 7 pieces of network hardware?

Network hardware comprises various devices that facilitate the functioning and connectivity of computer networks. The seven essential pieces of network hardware include:

1. Router: A router is a critical networking device that connects multiple computer networks together and forwards data packets between them. It also acts as a gateway between a local network and the internet, directing traffic efficiently.

2. Switch: A network switch is used to connect multiple devices within a local area network (LAN). It operates at the data link layer (Layer 2) of the OSI model, allowing devices like computers, printers, and servers to communicate within the same network.

3. Hub: Hubs are less common today due to their limitations compared to switches. They operate at the physical layer (Layer 1) of the OSI model and serve as a central connection point for devices in a network. However, they lack the ability to manage data traffic efficiently like switches.

4. Modem: Short for modulator-demodulator, a modem is a device that modulates digital data from a computer into analog signals for transmission over communication lines (such as telephone lines or coaxial cables). It also demodulates incoming analog signals back into digital data for the receiving computer.

5. Network Interface Card (NIC): A NIC is a hardware component that enables devices like computers or printers to connect to a network. It is installed in the device and provides the physical interface for the connection, allowing the device to communicate over the network.

6. Access Point: An access point (AP) is used to create a wireless local area network (WLAN) by allowing wireless devices to connect to a wired network. It serves as a central transmitter and receiver of wireless radio signals, enabling devices to access the network wirelessly.

7. Firewall: While not always seen as a standalone hardware piece, a firewall is a critical network security device that can be either hardware-based or software-based. It monitors and controls incoming and outgoing network traffic based on predetermined security rules, protecting the network from unauthorized access and potential threats.

These network hardware components work together to establish, manage, and secure computer networks, enabling communication and data exchange among devices within a network or across the internet.