Ladder to
Five
Courses
Labs
Score Calc
Sign in
All diagnostics
💡
CS Principles diagnostic
Question 1 of 6
1. Which scenario best illustrates multi-factor authentication?
A
Logging in from two different devices
B
Answering two different security questions
C
Entering a password and then a code sent to your phone
D
Using a password that is at least 12 characters long
Next