The correct answers are to enable multi-factor authentication (MFA) on privileged users and to use IAM roles for applications that require AWS access. MFA adds a critical second layer of security beyond a password, mitigating the risk of compromised credentials, while IAM roles provide temporary, scoped permissions that eliminate the need to embed long-term access keys in code. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this question tests your understanding of the credential hierarchy and the principle of least privilege—a common trap is assuming the root user is acceptable for daily tasks or that sharing passwords is ever secure. Remember that AWS best practices explicitly forbid using root user access keys for routine operations and mandate regular rotation of any existing access keys. For a quick memory hook, think “Roles and MFA: never root, never share, always rotate.”
DOP-C02 Security and Compliance Practice Question
This DOP-C02 practice question tests your understanding of security and compliance. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 wants to protect its AWS account credentials. Which TWO practices are recommended by AWS? (Choose TWO.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable multi-factor authentication (MFA) for privileged users.
Option B is correct because MFA adds an extra layer of security. Option D is correct because IAM roles are preferred for applications. Option A is wrong because root user should not be used daily. Option C is wrong because access keys should be rotated regularly. Option E is wrong because sharing passwords is insecure.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Generate and share access keys for all users.
Why it's wrong here
Access keys should be individual and rotated.
✗
Store IAM user passwords in a shared document.
Why it's wrong here
Insecure.
✓
Enable multi-factor authentication (MFA) for privileged users.
Why this is correct
Adds security.
Related concept
Authentication checks who the user is.
✗
Use the root user for daily administrative tasks.
Why it's wrong here
Root user should be protected and rarely used.
✓
Use IAM roles for applications that require AWS access.
Why this is correct
Roles provide temporary credentials.
Related concept
Authentication checks who the user is.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
Authentication checks who the user is.
Authorization controls what the user is allowed to do after login.
Privilege levels affect access to EXEC and configuration commands.
AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
→Do not assume successful login means full administrative access.
→Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
→Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related DOP-C02 questions on access control and AAA configuration.
Security and Compliance — This question tests Security and Compliance — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: Enable multi-factor authentication (MFA) for privileged users. — Option B is correct because MFA adds an extra layer of security. Option D is correct because IAM roles are preferred for applications. Option A is wrong because root user should not be used daily. Option C is wrong because access keys should be rotated regularly. Option E is wrong because sharing passwords is insecure.
What should I do if I get this DOP-C02 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related DOP-C02 questions on access control and AAA configuration.
What is the key concept behind this question?
Authentication checks who the user is.
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Question Discussion
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