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Question 358 - ANS-C00 discussion

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Convert the following IPv4 address in presented in binary form, into dotted decimal form 10101100.01111011.00001101.10011101.

A.
172.123.13.157
Answers
A.
172.123.13.157
B.
173.13.13.157
Answers
B.
173.13.13.157
C.
172.122.13.15
Answers
C.
172.122.13.15
D.
172.124.13.57
Answers
D.
172.124.13.57
Suggested answer: A

Explanation:

Explanation:

An IPv4 address in dotted decimal format is constructed using binary arithmetic. In binary arithmetic, each bit within a group represents a power of two. Specifically, the first bit in a group represents 2 to the power of 0, the second bit represents 2 to the power of 1, the third bit represents 2 to the power of 2, and so on. Binary format is simple because each successive bit in a group is exactly twice the value of the previous bit. The first octet is 128 + 32 + 8 + 4 = 172

The second octet 64 + 32 + 16 + 8 + 2 + 1 = 123

The third octet 8 + 4 + 1 = 13

The fourth octet is 128 + 16 + 8 + 4 + 1 = 157

Reference: https://en.wikipedia.org/wiki/IPv4

asked 16/09/2024
adnan reubin
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