Quick Answer
The answer is to implement multi-factor authentication, as it is the most effective policy enforcement mechanism to prevent credential sharing. MFA works by requiring a second factor—such as a one-time passcode from an authenticator app, a hardware token, or a biometric—in addition to the password. Even if employees share their passwords, the second factor remains tied to an individual’s device or identity and cannot be easily replicated or shared, rendering shared credentials useless. On the Cisco CyberOps Associate 200-201 exam, this concept tests your understanding of access control enforcement and the principle of least privilege, often appearing in scenario-based questions where you must choose the control that directly addresses human behavior rather than just policy documentation. A common trap is selecting password complexity or account lockout policies, which fail to stop intentional sharing. Remember the memory tip: “MFA makes sharing a password pointless—the second factor is the real key.”
This 200-201 practice question tests your understanding of security policies and procedures. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
During a security audit, an analyst discovers that several employees have shared their login credentials with colleagues to expedite work. Which policy enforcement mechanism would be most effective in preventing this behavior?
Implement a password complexity policy.
Why wrong: Complex passwords do not prevent sharing.
Implement multi-factor authentication.
MFA requires a physical token or biometric, making sharing impractical.
Enforce a password change policy every 30 days.
Why wrong: Frequent changes may annoy users but do not prevent sharing.
Conduct annual security awareness training.
Why wrong: Training educates but does not enforce or prevent sharing.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Implement multi-factor authentication.
Multi-factor authentication (MFA) is the most effective enforcement mechanism because it requires a second factor (e.g., a one-time passcode from an authenticator app, a hardware token, or a biometric) in addition to the password. Even if employees share their passwords, MFA prevents unauthorized access because the second factor is tied to the individual's device or identity and cannot be easily shared. This directly addresses the root cause of credential sharing by making shared credentials useless without the additional factor.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Implement a password complexity policy.
Why it's wrong here
Complex passwords do not prevent sharing.
Implement multi-factor authentication.
Why this is correct
MFA requires a physical token or biometric, making sharing impractical.
Related concept
Read the scenario before looking for a memorised answer.
Enforce a password change policy every 30 days.
Why it's wrong here
Frequent changes may annoy users but do not prevent sharing.
Conduct annual security awareness training.
Why it's wrong here
Training educates but does not enforce or prevent sharing.
Common exam traps
The trap here is that candidates often choose security awareness training (Option D) because it seems like a logical educational fix, but Cisco tests the distinction between administrative controls (training) and technical enforcement mechanisms (MFA) that actually prevent the behavior at the authentication layer.
Detailed technical explanation
MFA typically uses Time-based One-Time Password (TOTP) as defined in RFC 6238, where a shared secret and the current time generate a 6-8 digit code that changes every 30 seconds. In a real-world scenario, even if an employee shares their password and the TOTP code at that exact moment, the code expires within seconds, making it impractical for ongoing shared access. Additionally, many MFA implementations support push notifications or hardware tokens (e.g., YubiKey) that require physical presence, further hardening against credential sharing.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the 200-201 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Security Policies and Procedures — study guide chapter
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FAQ
Security Policies and Procedures — This question tests Security Policies and Procedures — Read the scenario before looking for a memorised answer..
The correct answer is: Implement multi-factor authentication. — Multi-factor authentication (MFA) is the most effective enforcement mechanism because it requires a second factor (e.g., a one-time passcode from an authenticator app, a hardware token, or a biometric) in addition to the password. Even if employees share their passwords, MFA prevents unauthorized access because the second factor is tied to the individual's device or identity and cannot be easily shared. This directly addresses the root cause of credential sharing by making shared credentials useless without the additional factor.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This 200-201 practice question is part of Courseiva's free Cisco 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 200-201 exam.
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