This topic covers how computers are connected and how they communicate. You will compare local and wide area networks, client-server and peer-to-peer models, and the common topologies used to arrange devices. Network hardware is covered in detail — switches, routers, network interface cards and wireless access points — along with Wi-Fi and Bluetooth. The topic also covers the internet, IP addressing in its public and private forms, URLs, domain name servers, and the role of cloud computing.
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