Network Interface Card (NIC)

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 A computer network is basically a group of multiple networking devices connected together for data sharing. Collectively networking devices have single purpose “securely transfer data as fast as they can”. To achieve this goal every networking device has its own functionality.

In the list of networking devices, NIC stands on first place. Without this device, networking cannot be done. This is also known as network adapter card, Ethernet Card and LAN card. NIC allows our PC to communicate with other PCs. Basically it converts data transmission technology. A PC uses parallel data transmission technology to transmit data between its internal parts while the media that connects this PC with other PCs uses serial data transmission technology. A NIC converts parallel data stream into serial data stream and vice versa serial data stream is get converted in parallel data stream.

Usually all modern PCs have integrated NICs in motherboard. NICs are also available separately. For desktop or server system they are available in adapter format which can be plugged into the available slots of motherboard. For laptop or other small size devices they available in PCMCIA (Personal Computer Memory Card International Association) card format which can be inserted in PCMCIA slots.
Network Administrator Skills Experience I have been in the IT field for five years, Five years experience in networking, Managing Linux system, Hardware software installation and deskstop system management etc. Worked with three different companies and personal contracts..

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