Internet Protocols Questions
A hub and a switch are both networking devices used to connect multiple devices in a network, but they differ in their functionality and the way they handle network traffic.
A hub is a simple device that operates at the physical layer of the network. It receives incoming data packets and broadcasts them to all connected devices, regardless of the intended recipient. This means that all devices connected to a hub share the available bandwidth, resulting in slower network speeds and increased network congestion. Hubs do not have the ability to filter or manage network traffic.
On the other hand, a switch operates at the data link layer of the network. It intelligently forwards data packets only to the intended recipient device, based on the device's MAC address. This allows for more efficient and secure data transmission, as each device connected to a switch has its own dedicated bandwidth. Switches can also handle simultaneous data transmissions, making them more suitable for larger networks with higher traffic volumes.
In summary, the main difference between a hub and a switch is that a hub broadcasts data to all connected devices, while a switch selectively forwards data only to the intended recipient device. Switches provide better performance, security, and bandwidth management compared to hubs.