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In the days before CIDR (Classless Internet Domain Routing), networks were commonly organized by classes. Which of the following would have been true of a Class C network?
Correct Answer: C
Explanation/Reference: Explanation: Class C was defined with the 3 high-order bits set to 1, 1, and 0, and designating the next 21 bits to number the networks. This translates to the IP address range of a class C network of 192.0.0.0 to 223.255.255.255. Incorrect Answers: A: Class C was defined with three fixed bits, not just one single bit. B: Class C was defined with three fixed bits, not just two bits. D: Class C was defined with the first bits set to 1, 1, and 0. Not to 1, 1, and 1. References: https://en.wikipedia.org/wiki/Classful_network