ISC2 CC Security Principles Practice Question
An employee uses a password and a one-time code from a mobile authenticator app to log in. Which authentication type is being used?
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
Combining password (Type 1) and OTP (Type 2) is multi-factor authentication.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Possession-based
Why it's wrong here
Possession-based would be only the OTP.
- ✗
Biometric
Why it's wrong here
Biometric is a single factor (inherence).
- ✗
Single-factor
Why it's wrong here
Single-factor uses only one type.
- ✓
Multi-factor
Why this is correct
Two different factors (knowledge and possession) are used.
Go deeper
Related to this question
Learn chapter
Authentication and Authorization Methods
Key term
One-time Password
A one-time password is a temporary, single-use code that authenticates a user for one login session or transaction.
Key term
Time-based One-time Password
A temporary, automatically generated code that changes every few seconds and is used as an extra layer of security when logging into an account.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 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 CC exam.