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The following IPv4 addresses in hexadecimal notation is – 10000001 00001011 00001011 11101111-

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The following IPv4 addresses in hexadecimal notation is – 10000001 00001011 00001011 11101111-

(a) 0x810B0BEF

(b) 0x810D0AFF

(c) 0x810B0BFE

(d) 0x810C0CEF

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I'd like to ask this question from IP Addressing in section Internet Protocol, Network Addressing and Transport Level Security of Cryptograph & Network Security

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Correct answer is (a) 0x810B0BEF

The 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.

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