Option(B) i.e., social engineering is the correct option to the question.
Explanation:
The following option is correct because social engineering is the type of attack in which the criminals tricks the computer users to disclose the confidential data or information. Criminals or hackers use this trick because by this they can easily take advantage of your confidential information or corporate secrets.
Units and prefixes are created and unit definitions are modified through international agreement as the technology of measurement progresses and the precision of measurements improves.
