Understanding hexadecimal and binary conversion is an important skill to have for the exam. In the real world, for most network administrators conversion is done either by a calculator or is not needed, but as an ethical hacker, you have opportunities to apply the basic conversions to something useful. See Table for the basic conversion between hex, binary, and decimal.
Ta b l e – Hex, binary, and decimal
This should be a refresher for you, but for the exam it is important that you have a comfortable understanding of the conversion process. To rehash some of the basics, remember that bits are 1s and 0s, a nibble is 4 bits, and a byte is 2 nibbles. Your knowledge and ability to apply this across the conversion process will prove important for questions that
expect you to identify network items and traffic based on hexadecimal values.
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