Network Security Interview — Test 2

Correct Answer: D. D. None of the mentioned
Explanation: The error is that there is a mixture of binary and dotted-decimal notation.

Correct Answer: A. A. 0x810b0bef
Explanation: We replace each group of 4 bits with its hexadecimal equivalent. Note that 0X (or 0x) is added at the beginning or the subscript 16 at the end. 0x810B0BEF or 810B0BEF_16.

Correct Answer: B. B. 1024
Explanation: Subtract the first address from the last address in base 256. The result = 0.0.3.255 Therefore, number of addresses = (3 X 256 + 255) + 1 = 1024.

Correct Answer: B. B. 224
Explanation: Each block in class A contains 224 addresses.