- A
Use AWS Systems Manager Automation to create a runbook that patches instances one by one.
Why wrong: Automation is for operational tasks, not patching at scale.
- B
Create a patch baseline and assign it to all instances; enable automatic approval for all patches.
Why wrong: No testing before production.
- C
Use AWS Systems Manager Run Command to manually run patch commands on test instances, then on production.
Why wrong: Not automated.
- D
Use AWS Systems Manager Patch Manager with maintenance windows, and configure a patch baseline that approves patches after a test period.
Automated and allows testing.
Question 1,231 of 1,750
DOP-C02 Configuration Management and IaC Practice Question
This DOP-C02 practice question tests your understanding of configuration management and iac. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
An operations team manages a fleet of Amazon EC2 instances that require periodic software updates. They want to use AWS Systems Manager to apply patches automatically while ensuring that patches are tested before production deployment. Which approach meets these requirements?
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
✓
Use AWS Systems Manager Patch Manager with maintenance windows, and configure a patch baseline that approves patches after a test period.
Option D is correct because AWS Systems Manager Patch Manager, when combined with maintenance windows and a patch baseline configured with an approval delay after a test period, allows patches to be automatically applied to test instances first and then, after a defined waiting period, to production instances. This ensures patches are tested before production deployment without manual intervention, meeting the requirement for automated, staged patching.
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.
- ✗
Use AWS Systems Manager Automation to create a runbook that patches instances one by one.
Why it's wrong here
Automation is for operational tasks, not patching at scale.
- ✗
Create a patch baseline and assign it to all instances; enable automatic approval for all patches.
Why it's wrong here
No testing before production.
- ✗
Use AWS Systems Manager Run Command to manually run patch commands on test instances, then on production.
Why it's wrong here
Not automated.
- ✓
Use AWS Systems Manager Patch Manager with maintenance windows, and configure a patch baseline that approves patches after a test period.
Why this is correct
Automated and allows testing.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Run Command (a manual, ad-hoc tool) with Patch Manager (an automated, policy-driven service), or they assume that simply enabling automatic approval (Option B) is sufficient without considering the need for a testing delay.
Detailed technical explanation
How to think about this question
Patch Manager uses patch baselines that define which patches are approved, and you can set an auto-approval delay (e.g., 7 days) to allow patches to be tested on a non-production fleet before they are automatically approved for production. Maintenance windows ensure patching occurs during scheduled downtime, and you can target different instance tags (e.g., Environment:Test vs. Environment:Prod) to stage the rollout. This approach leverages AWS Systems Manager's built-in approval workflow and avoids custom scripting.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
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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Configuration Management and IaC — study guide chapter
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FAQ
Questions learners often ask
What does this DOP-C02 question test?
Configuration Management and IaC — This question tests Configuration Management and IaC — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use AWS Systems Manager Patch Manager with maintenance windows, and configure a patch baseline that approves patches after a test period. — Option D is correct because AWS Systems Manager Patch Manager, when combined with maintenance windows and a patch baseline configured with an approval delay after a test period, allows patches to be automatically applied to test instances first and then, after a defined waiting period, to production instances. This ensures patches are tested before production deployment without manual intervention, meeting the requirement for automated, staged patching.
What should I do if I get this DOP-C02 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.
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Last reviewed: Jul 4, 2026
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