Which addresses are INCORRECTLY paired with their class?

A. 1 to 126, Class A

B. 128 to 191, Class A

C. 1 to 126, Class B

D. 128 to 191, Class B

Answer Posted / guest

Answer::B & C.

Address classes are: 1 to 126, Class A; 128 to

191, Class B, 192 to 223, Class C; 224 to 239, Class D; and

240 to 255, Class E.

The first octet rule states that the class of an address can

be determined by the numerical value of the first octet.

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