- A
Single sign-on (SSO)
Why wrong: SSO allows one login to multiple systems, not about factors.
- B
Biometric authentication
Why wrong: Biometrics uses physical traits, not a card and PIN.
- C
Two-factor authentication
Smart card (possession) and PIN (knowledge) constitute two-factor authentication.
- D
Multi-factor authentication
Why wrong: MFA requires two or more factors; this is a specific case of MFA, but two-factor is more precise.
Question 898 of 1,000
mediumMultiple ChoiceObjective-mapped
Two-Factor Authentication — Smart Card and PIN | SSCP Explained
This SSCP practice question tests your understanding of sscp exam topics. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company uses an identity management system that requires users to authenticate using a smart card and a PIN. This is an example of:
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
✓
Two-factor authentication
Two-factor authentication (2FA) requires two distinct factors from different categories: something you have (the smart card) and something you know (the PIN). This combination provides stronger assurance than a single factor because an attacker would need both physical possession of the card and knowledge of the PIN to authenticate.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Single sign-on (SSO)
Why it's wrong here
SSO allows one login to multiple systems, not about factors.
- ✗
Biometric authentication
Why it's wrong here
Biometrics uses physical traits, not a card and PIN.
- ✓
Two-factor authentication
Why this is correct
Smart card (possession) and PIN (knowledge) constitute two-factor authentication.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Multi-factor authentication
Why it's wrong here
MFA requires two or more factors; this is a specific case of MFA, but two-factor is more precise.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse multi-factor authentication (MFA) with two-factor authentication (2FA), but the SSCP exam expects you to recognize that when exactly two distinct factors are used, 'two-factor authentication' is the precise and correct term, not the broader 'multi-factor authentication'.
Detailed technical explanation
How to think about this question
Under the hood, smart card authentication typically uses a PKI-based challenge-response protocol: the card stores a private key, and the PIN unlocks access to that key. The system sends a random challenge, the card signs it with the private key, and the server verifies the signature using the corresponding certificate. In real-world deployments like PIV (Personal Identity Verification) cards used by U.S. federal agencies, the PIN protects against unauthorized use if the card is lost or stolen, enforcing the 'something you have' and 'something you know' factors.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this SSCP question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Two-factor authentication — Two-factor authentication (2FA) requires two distinct factors from different categories: something you have (the smart card) and something you know (the PIN). This combination provides stronger assurance than a single factor because an attacker would need both physical possession of the card and knowledge of the PIN to authenticate.
What should I do if I get this SSCP question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
1 more ways this is tested on SSCP
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A small company with 50 employees uses a local file server for sharing documents. Each employee has a username and password for authentication. The company wants to implement an additional layer of security to protect sensitive data without incurring high costs. They are considering using smart cards or biometric scanners. However, the budget is limited, and employees often work remotely. Which of the following is the most cost-effective and practical approach to strengthen authentication?
easy- ✓ A.Implement a one-time password (OTP) system via a mobile app.
- B.Increase password complexity requirements and enforce periodic changes.
- C.Issue USB tokens to all employees.
- D.Use Windows Hello facial recognition on company laptops.
Why A: One-time password (OTP) via a mobile app is low-cost, does not require additional hardware, and works well for remote employees by providing a second factor without relying on location-specific devices. Smart cards or USB tokens require hardware purchase and distribution. Biometrics like Windows Hello require compatible hardware and may not be available on all remote devices. Increasing password complexity is not multi-factor authentication and does not add a second factor.
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Last reviewed: Jun 11, 2026
This SSCP 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 SSCP exam.
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