The answer is to enable MFA on accounts with owner permissions first. This is correct because PCI DSS mandates strong access control, specifically requiring multi-factor authentication for all administrative access, and owner permissions represent the highest level of privilege that directly impacts cardholder data environments. On the Microsoft Cybersecurity Architect exam, this scenario tests your ability to map PCI DSS requirements to identity security controls, often appearing as a prioritization question where MFA enforcement trumps vulnerability scanning or logging improvements because it is a foundational preventive control. A common trap is choosing a remediation that addresses detection or assessment first, but PCI DSS prioritizes authentication as a core requirement. Remember the mnemonic “MFA before Patching” to recall that access control enforcement always takes precedence over remediation of technical vulnerabilities in compliance contexts.
SC-100 Practice Question: Design solutions that align with security best practices and priorities
This SC-100 practice question tests your understanding of design solutions that align with security best practices and priorities. 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.
Exhibit
Microsoft Defender for Cloud | Regulatory Compliance
Controls:
- CIS Controls v8: 16/20 passed
- ISO 27001: 42/48 passed
- NIST SP 800-53 Rev5: 85/100 passed
- PCI DSS v3.2.1: 12/15 passed
- SOC 2 Type II: 20/25 passed
Top recommendations by severity:
1. Critical: VMs should be migrated from classic to ARM (3 resources)
2. Critical: Vulnerability assessment should be enabled on SQL databases (5 resources)
3. High: MFA should be enabled on accounts with owner permissions (2 resources)
4. Medium: Diagnostic logs in Key Vault should be enabled (10 resources)
Refer to the exhibit. Your organization is required to comply with PCI DSS. You need to prioritize remediation efforts to meet PCI DSS requirements. Based on the exhibit, which recommendation should you address first?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Microsoft Defender for Cloud | Regulatory Compliance
Controls:
- CIS Controls v8: 16/20 passed
- ISO 27001: 42/48 passed
- NIST SP 800-53 Rev5: 85/100 passed
- PCI DSS v3.2.1: 12/15 passed
- SOC 2 Type II: 20/25 passed
Top recommendations by severity:
1. Critical: VMs should be migrated from classic to ARM (3 resources)
2. Critical: Vulnerability assessment should be enabled on SQL databases (5 resources)
3. High: MFA should be enabled on accounts with owner permissions (2 resources)
4. Medium: Diagnostic logs in Key Vault should be enabled (10 resources)
A
Enable MFA on accounts with owner permissions
PCI DSS requirement 8.3.1 requires multi-factor authentication for all administrative access.
B
Migrate VMs from classic to ARM
Why wrong: While important, classic VMs are not a direct PCI DSS requirement, and migration is more about modernizing.
C
Enable vulnerability assessment on SQL databases
Why wrong: Vulnerability assessment is important but PCI DSS requires regular scanning, not necessarily immediate remediation over MFA.
D
Enable diagnostic logs in Key Vault
Why wrong: Logging is required but MFA is a higher priority control.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable MFA on accounts with owner permissions
PCI DSS requires strong access control, including multi-factor authentication for remote access and for all accounts with administrative access. The recommendation 'MFA should be enabled on accounts with owner permissions' directly impacts PCI DSS requirements for authentication. While vulnerability assessment is important, MFA is a key control for PCI DSS. The other recommendations are less directly related to PCI DSS.
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.
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Migrate VMs from classic to ARM
Why it's wrong here
While important, classic VMs are not a direct PCI DSS requirement, and migration is more about modernizing.
✗
Enable vulnerability assessment on SQL databases
Why it's wrong here
Vulnerability assessment is important but PCI DSS requires regular scanning, not necessarily immediate remediation over MFA.
✗
Enable diagnostic logs in Key Vault
Why it's wrong here
Logging is required but MFA is a higher priority control.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-100 question in full detail.
Identify which SC-100 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Design solutions that align with security best practices and priorities — This question tests Design solutions that align with security best practices and priorities — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable MFA on accounts with owner permissions — PCI DSS requires strong access control, including multi-factor authentication for remote access and for all accounts with administrative access. The recommendation 'MFA should be enabled on accounts with owner permissions' directly impacts PCI DSS requirements for authentication. While vulnerability assessment is important, MFA is a key control for PCI DSS. The other recommendations are less directly related to PCI DSS.
What should I do if I get this SC-100 question wrong?
Identify which SC-100 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Are there clue words in this question I should notice?
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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