The only benefit of a hub in a network is to connect various network devices together, which may range anything from connecting a computer to a computer, computers to network devices, and a computer network to another computer network. A hub operates on the Network Layer 1 of the OSI model and can only detect basic network errors such as network collisions. With the increase in the number of ports in a hub network, the possibility of collision also increases. The job of a hub is simply sending out anything that comes to it to other computers connected to it.Įvery computer connected to hub can see every other computer on the hub. Thus a hub has one segment and one collision domain. Each port on the hub is on the same network segment. It sends all the network data to all the computers connected to it, without using any intelligence of its own. Hub: A hub a very basic network device that connects all the computers together in a network. Let us understand each of these network devices in detail: Some other network devices such as Hubs, and Access Points are also commonly used in a network. The subnetting of a network is possible only through network devices such as switches, routers and bridges.
The breaking of a network into smaller network segments is called subnetting.
To avoid network traffic congestion, a large network is usually broken into small network segments. Too many network hosts can cause network traffic congestion and when too many packets are transmitted on a network, the performance of the network degrades to an extent that no packet is delivered. Describe the purpose and functions of various network devicesĮxam: Cisco 200-120 - Interconnecting Cisco Networking Devices: Accelerated (CCNAX)Īs your network grows, it needs to be broken into smaller networks or network segments to ensure better performance of the network.
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