FC0-U71 Security Practice Question
An organization requires employees to use a password and a one-time code sent to their mobile phone when logging into the network. Which security principle is being implemented?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Multi-factor authentication
Multi-factor authentication (MFA) requires two or more factors: something you know (password) and something you have (phone).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Least privilege
Why it's wrong here
Least privilege limits access rights, not authentication factors.
- ✗
Biometrics
Why it's wrong here
Biometrics uses physical traits, not a phone code.
- ✗
Single sign-on
Why it's wrong here
SSO allows one login to multiple systems, not multiple factors.
- ✓
Multi-factor authentication
Why this is correct
Correct. MFA uses multiple authentication factors.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the FC0-U71 exam.