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Discover the intricacies of network technologies in this comprehensive guide covering PSN, LAN, WAN, and essential components like routers, switches, and hubs. Learn about network interface cards, ARPANET, and the roles of different devices in a network, including servers and clients. Understand how DNS and gateways facilitate connectivity and explore the importance of VPNs for secure communication. This resource is ideal for IT professionals and enthusiasts looking to deepen their understanding of computer networking.
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