The answer is to stop the instance, change the instance type, and start the instance. This process is correct because modifying an EC2 instance type requires the instance to be in the stopped state, as the underlying hardware attributes—such as CPU and memory—are tied to the instance type and cannot be altered while the instance is running. For SAP workloads on AWS, this method minimizes downtime to just the few minutes needed for the stop, change, and start cycle, avoiding the complexity of data migration or AMI creation. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this question tests your understanding of EC2 lifecycle management and the specific constraints of SAP systems, where even brief interruptions must be planned. A common trap is assuming you can change instance types on the fly or that a new instance launch is required, but the stop-change-start approach is the simplest and most efficient. Memory tip: Stop, Swap, Start—just like swapping a tire, you have to pull over first.
PAS-C01 Technology Practice Question
This PAS-C01 practice question tests your understanding of technology. 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.
An SAP system is running on AWS and needs to be migrated from a current generation instance (r3) to a newer generation (r5). What is the recommended process to minimize downtime?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Stop the instance, change the instance type, and start the instance.
Option D is correct because you can stop the instance, change the instance type, and start it again. This process takes a few minutes. Option A is wrong because you cannot change instance type while running; you must stop it. Option B is wrong because launching a new instance and migrating data requires more time and effort. Option C is wrong because changing instance type does not require AMI creation.
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.
✗
Modify the instance type while the instance is running.
Why it's wrong here
Instance type cannot be changed while running.
✓
Stop the instance, change the instance type, and start the instance.
Why this is correct
Minimal downtime by changing type after stop.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create an AMI of the r3 instance and launch an r5 instance from it.
Why it's wrong here
Unnecessary, can simply change type after stop.
✗
Launch a new r5 instance and migrate the SAP system.
Why it's wrong here
More downtime and effort.
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.
Technology — This question tests Technology — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Stop the instance, change the instance type, and start the instance. — Option D is correct because you can stop the instance, change the instance type, and start it again. This process takes a few minutes. Option A is wrong because you cannot change instance type while running; you must stop it. Option B is wrong because launching a new instance and migrating data requires more time and effort. Option C is wrong because changing instance type does not require AMI creation.
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.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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