A Network Interface Controller (NIC) is a critical component in modern networking, enabling computers to connect to networks and communicate with other devices. NICs manage the physical and data link layers, ensuring reliable data transmission across wired or wireless networks. By handling tasks such as error detection, data formatting, and signal conversion, NICs optimize network performance and reduce latency. With advancements in technology, modern NICs support high-speed data transfers, virtualization, and enhanced security features, making them indispensable in data centers, enterprise networks, and everyday computing environments.
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