Match List - I with List - II.

1. A(A)-(II), (B)-(III), (C)-(I), (D)-(IV)
2. B(A)-(I), (B)-(IV), (C)-(II), (D)-(III)
3. C(A)-(I), (B)-(II), (C)-(IV), (D)-(III)
4. D(A)-(III), (B)-(IV), (C)-(II), (D)-(I)

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Correct answer: D. (A)-(III), (B)-(IV), (C)-(II), (D)-(I)

Explanation

First octet 1–126 is class A (10), 128–191 class B (180), 192–223 class C (210), and 240–255 class E (252).