- A
Update the Auto Scaling group's launch configuration or launch template to use the new AMI.
This ensures new instances use the patched AMI.
- B
Create a new AMI with the patches applied.
A patched AMI ensures new instances are up-to-date.
- C
Use AWS Systems Manager to apply patches to running instances.
Why wrong: This can cause downtime if instances reboot simultaneously.
- D
Perform an instance refresh to gradually replace instances.
Instance refresh replaces instances in a rolling fashion, maintaining availability.
- E
Terminate all existing instances at once.
Why wrong: Terminating all instances causes complete downtime.
Question 253 of 1,733
PAS-C01 Operations and Maintenance Practice Question
This PAS-C01 practice question tests your understanding of operations and maintenance. 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.
A company runs SAP on AWS and wants to automate the patching of SAP application servers. The servers are in an Auto Scaling group. Which THREE steps should be included in the automation?
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
✓
Update the Auto Scaling group's launch configuration or launch template to use the new AMI.
Options A, B, and D are correct because the recommended approach for patching SAP application servers in an Auto Scaling group is to use immutable updates: create a new AMI with patches (B), update the launch configuration/template to reference the new AMI (A), and then perform an instance refresh to gradually replace instances (D). This minimizes downtime. Option C (using Systems Manager to patch running instances) is not recommended for Auto Scaling groups because it can lead to inconsistent state and doesn't benefit from the rolling update mechanism. Option E (terminating all instances at once) would cause downtime.
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.
- ✓
Update the Auto Scaling group's launch configuration or launch template to use the new AMI.
Why this is correct
This ensures new instances use the patched AMI.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Create a new AMI with the patches applied.
Why this is correct
A patched AMI ensures new instances are up-to-date.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use AWS Systems Manager to apply patches to running instances.
Why it's wrong here
This can cause downtime if instances reboot simultaneously.
- ✓
Perform an instance refresh to gradually replace instances.
Why this is correct
Instance refresh replaces instances in a rolling fashion, maintaining availability.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Terminate all existing instances at once.
Why it's wrong here
Terminating all instances causes complete downtime.
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 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 PAS-C01 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.
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Operations and Maintenance — study guide chapter
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Operations and Maintenance practice questions
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Operations and Maintenance — This question tests Operations and Maintenance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Update the Auto Scaling group's launch configuration or launch template to use the new AMI. — Options A, B, and D are correct because the recommended approach for patching SAP application servers in an Auto Scaling group is to use immutable updates: create a new AMI with patches (B), update the launch configuration/template to reference the new AMI (A), and then perform an instance refresh to gradually replace instances (D). This minimizes downtime. Option C (using Systems Manager to patch running instances) is not recommended for Auto Scaling groups because it can lead to inconsistent state and doesn't benefit from the rolling update mechanism. Option E (terminating all instances at once) would cause downtime.
What should I do if I get this PAS-C01 question wrong?
Identify which PAS-C01 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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services 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 PAS-C01 exam.
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