The “Computer Networks and Internet” category covers a wide range of topics related to computer networking and the Internet. This includes the underlying technologies and protocols used to connect devices, such as LAN, WAN, and wireless networking, as well as the devices and equipment used to facilitate communication, including switches, routers, modems, and gateways. It also covers the various networking topologies, such as star, bus, ring, mesh, and tree, and the factors to consider when selecting a topology.
In addition, this category covers the concepts of bandwidth, baud, crosstalk, and other signal-related issues that affect network performance. It also covers the use of firewalls, bridges, and other security devices to protect networks from unauthorized access, and the basics of network administration, including network management and troubleshooting.
Furthermore, this category covers the basics of the Internet, including its history, architecture, and core protocols such as TCP/IP. It also includes the concepts of the World Wide Web, web technologies, and web development, including HTML, CSS, and JavaScript