Computer Networking Equipment

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Networking a pc is not only connecting individual computers but also digital devices of data transmission. These devices vary with the difference of technologies put to use by unique networks. But, network equipments can be enlisted as Network Interface Cards (NICs), Bridges, Hubs, Switches, and Routers. Besides them, an Ethernet card may well be necessary. The normal connection approaches are by working with Category 5 galvanic cable, optical fiber cable. At times microwave links (as in IEEE 802.12) is also utilised to connect these equipments.

Network interface cards

A network card, network adapter, or network interface card (NIC) is a hardware which aids computers to communicate over a pc network. Physical access to a networking medium is provided by this device. Commonly, a low-level addressing program is also provided by this device via the use of MAC addresses. Repeaters

A repeater is exclusive considering of its capability of cleaning noises from signals it receives. This electronic device regenerates it and retransmits noise no cost signal at a higher energy level, alleviating obstruction. Thus signal can spread more than longer distances without having degradation. Repeaters are required for cable which runs longer than 100 meters in most of the twisted pair Ethernet configurations.


In network hub containing many ports, packet arrived at one port, becoming subsequently copied to all ports of the hub for transmission devoid of any modification. The destination address in the frame is not altered to a broadcast address.


Network bridges connect numerous network segments. These equipments never ever broadcast to the ports except the one particular receiving the broadcast. However, bridges do not copy traffic to all ports but determine reachable MAC addresses by way of certain ports.


Switch filters chunk of information in between ports based on the MAC addresses in the packets. As opposed to hubs, it only forwards the frames to the ports involved in the communication rather of all ports connected. A switch breaks the collision domain but represents itself a broadcast domain. Switches determine forwarding of frames with respect to their MAC addresses. Each switch generally has a lot of ports. Thus it helps in facilitating a star topology for devices in networks and cascading additional switches. Some switches are capable of routing.


Routers are networking devices which forward packets between networks. Forwarding packets depends on specifics in protocol headers and also on forwarding tables. These two figure out the best subsequent router for each and every packet.

Title Post: Computer Networking Equipment
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Author: Dede Purnama

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