Solved IB ACIO Question
A solved IB ACIO PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Q · Basics of Computers Medium · 45s
Which security measure adds an extra layer of login security?
TopicBasics of Computers
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.25
Test Duration200 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Two-Factor Authentication (2FA) adds an extra layer of security to logins.
Final Answer: Option C — 2FA