A router is a networking device that forwards data packets between computer networks.
A switch is a device used on a computer network to physically connect devices together.
In computer networking, a wireless access point is a networking hardware device that allows other Wi-Fi devices to connect to a wired network.
A firewall is a network security device that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of security rules.
Peripheral devices are usually physically separate from the computer and connected to it by wires or cables.
IP phone uses voice over IP technologies for placing and transmitting telephone calls over the Internet, instead of the traditional public switched telephone network.