Which of the following is not a component of LAN
Correct answer: B. Modem
- A. Bridge
- B. Modem
- C. Communication Media
- D. Gateway
Explanation
A modem is a device that modulates and demodulates signals, allowing them to be transmitted over a variety of communication media. While modems are essential for connecting to the internet, they are not typically used within a LAN itself. LANs typically have their own dedicated communication media, and devices on a LAN can communicate directly with each other without needing a modem.
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Networking covers LAN, MAN, WAN and wireless networks, network topologies, transmission media, devices such as switches, routers and modems, and the OSI and TCP/IP models. Internet concepts include IP addresses, DNS, URLs, web browsers, email, protocols such as HTTP, HTTPS, FTP and SMTP, and basic network security.
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