Which type of modem does not require any cable as a transmission channel to transmit signals?
Correct answer: B. Wireless modem
- A. External modem
- B. Wireless modem
- C. Internal modem
- D. Router
Explanation
The answer is (b) Wireless modem.Wireless modems transmit signals using radio waves, which eliminates the need for a physical cable connection.
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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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