The answer is to decrease the cooldown period and implement a buffer-based scaling policy like target tracking. Decreasing the cooldown period allows the Auto Scaling group to launch new instances more quickly after a scaling activity completes, directly addressing the need to improve auto scaling responsiveness during sudden traffic spikes. Target tracking is more responsive than step scaling because it proactively adjusts capacity based on a predefined target metric, such as average CPU utilization, rather than reacting to discrete threshold breaches. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this scenario tests your understanding of how cooldown timers and policy types affect scaling velocity, often appearing as a trap where candidates mistakenly choose increasing instance size or minimum size. A common memory tip is to remember that responsiveness is about speed, not size—think “cool down to speed up” and “track the target, don’t step through it.”
SAP-C02 Continuous Improvement for Existing Solutions Practice Question
This SAP-C02 practice question tests your understanding of continuous improvement for existing solutions. 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 runs a web application on EC2 instances behind an Application Load Balancer. The application experiences a sudden spike in traffic. The operations team notices that the Auto Scaling group is not scaling out quickly enough. Which TWO actions should the team take to improve the scaling responsiveness?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Switch from a step scaling policy to a target tracking scaling policy based on CPU utilization.
Options A and C are correct. A buffer-based scaling policy (target tracking) is more responsive than step scaling. Decreasing the cooldown period allows faster scaling out. B is wrong because increasing instance size does not improve scaling responsiveness. D is wrong because decreasing minimum size could worsen performance. E is wrong because increasing cooldown slows down scaling.
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.
✗
Increase the instance size to handle more traffic per instance.
Why it's wrong here
Larger instances do not improve scaling speed; they only affect capacity per instance.
✓
Switch from a step scaling policy to a target tracking scaling policy based on CPU utilization.
Why this is correct
Target tracking provides more responsive scaling than step scaling.
Related concept
Read the scenario before looking for a memorised answer.
✗
Increase the health check grace period for the Auto Scaling group.
Why it's wrong here
A longer grace period delays scaling decisions.
✓
Decrease the cooldown period for the Auto Scaling group.
Why this is correct
A shorter cooldown allows the group to scale out more quickly after a scaling activity.
Related concept
Read the scenario before looking for a memorised answer.
✗
Decrease the minimum number of instances in the Auto Scaling group.
Why it's wrong here
Lower minimum means fewer instances initially, which could worsen responsiveness.
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 SAP-C02 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.
Continuous Improvement for Existing Solutions — This question tests Continuous Improvement for Existing Solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Switch from a step scaling policy to a target tracking scaling policy based on CPU utilization. — Options A and C are correct. A buffer-based scaling policy (target tracking) is more responsive than step scaling. Decreasing the cooldown period allows faster scaling out. B is wrong because increasing instance size does not improve scaling responsiveness. D is wrong because decreasing minimum size could worsen performance. E is wrong because increasing cooldown slows down scaling.
What should I do if I get this SAP-C02 question wrong?
Identify which SAP-C02 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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company runs a web application on EC2 instances behind an Application Load Balancer (ALB). The application experiences periodic spikes in traffic. The operations team wants to ensure that the application can handle the spikes without manual intervention. What is the MOST cost-effective solution?
easy
A.Use a scheduled scaling policy to add instances during predicted peak hours.
✓ B.Create a target tracking scaling policy using the ALB RequestCountPerTarget metric.
C.Manually add instances when traffic spikes are expected.
D.Use a simple scaling policy based on CPU utilization.
Why B: Option C is correct because a target tracking scaling policy automatically adjusts capacity based on a metric, and using the ALB RequestCountPerTarget metric is appropriate for web traffic spikes. Option A uses the wrong metric, B requires manual intervention, and D is not cost-effective.
Last reviewed: Jun 20, 2026
Question Discussion
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This SAP-C02 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 SAP-C02 exam.
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