Hub
* An electronic device that connects many network devices together so that devices can exchange data.
*Has 4/12 ports.
*Its function is to connect a network of personal computers together, they can be joined through a central hub.
Switch
A network switch is a computer networking device that is used to connect many devices together on a computer network. A switch is considered more advanced than a hub because a switch will send msg to device that needs or request it.
*Has 24/48 ports. It is a multi port bridge.
*Its function is to allow to connect multiple device and port can be manage, VLAN can create security also can apply.
Router
*A networking device that connects a local network to other local networks.
*Has 2/4/8 ports.
*Directs data in a network. Passes data between home computers, and between computers and the modem.
*Have a broadcast domain but switch (unless VLAN implemented)
* Both used in LAN.
*They are not necessary for internet connection but router provides additional security and allow for multiple connections.
*Allow one or more computers to be connected to other computers,networked devices or to other networks.
All of them are devices. They are integrated into a single device.
Computer Network Devices
All of them are devices that we all need to stay connected.
