Which of the following is not a correct IP Address?
Correct answer: B. 255.8000.30.20
- A. 21.56.680.200
- B. 255.8000.30.20
- C. 235.123.400.23
- D. All of these are correct IP addresses
Explanation
A valid IP address consists of four sets of numbers between 0 and 255, separated by periods. The number 255.8000.30.20 exceeds the valid range (255) for a single octet (section) in an IP address.
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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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