- A
Use the DependsOn attribute on the RDS instance to wait for the Auto Scaling group.
Why wrong: The database should be created before the Auto Scaling group, not the other way around.
- B
Use the DependsOn attribute on the Auto Scaling group to wait for the RDS instance, and also use a CreationPolicy on the RDS instance to signal when it is ready.
DependsOn plus CreationPolicy ensures the Auto Scaling group is created only after the database signals complete readiness.
- C
Use the DependsOn attribute on the Auto Scaling group to wait for the RDS instance, and also use cfn-signal on the Auto Scaling group to wait for the database.
Why wrong: cfn-signal is used for instances, not for the Auto Scaling group resource itself.
- D
Use the DeletionPolicy attribute on the Auto Scaling group to ensure it is not deleted.
Why wrong: DeletionPolicy controls what happens when the stack is deleted, not creation order.
SOA-C02 Deployment, Provisioning, and Automation Practice Question
This SOA-C02 practice question tests your understanding of deployment, provisioning, and automation. 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 is deploying a critical application using AWS CloudFormation. The deployment must be resilient to failures and ensure that resources are created in a specific order. The template defines a stack that includes an Amazon RDS database and an Auto Scaling group. The Auto Scaling group depends on the database being available. Which CloudFormation feature should the SysOps administrator use to ensure the database is fully created and available before the Auto Scaling group is created?
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 the DependsOn attribute on the Auto Scaling group to wait for the RDS instance, and also use a CreationPolicy on the RDS instance to signal when it is ready.
Use DependsOn to specify that the Auto Scaling group depends on the database resource, and also use CreationPolicy or WaitCondition to wait for the database to be fully ready. DependsOn alone only waits for CloudFormation to mark the resource as created, not for the database to be 'available'. Therefore, combining DependsOn with a CreationPolicy (e.g., AWS::CloudFormation::WaitCondition) ensures the Auto Scaling group is created only after the database signals readiness. Option A is wrong because DependsOn alone is insufficient. Option B is wrong because cfn-signal is used with Auto Scaling group's CreationPolicy. Option D is wrong because DeletionPolicy affects deletion, not 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.
- ✗
Use the DependsOn attribute on the RDS instance to wait for the Auto Scaling group.
Why it's wrong here
The database should be created before the Auto Scaling group, not the other way around.
- ✓
Use the DependsOn attribute on the Auto Scaling group to wait for the RDS instance, and also use a CreationPolicy on the RDS instance to signal when it is ready.
Why this is correct
DependsOn plus CreationPolicy ensures the Auto Scaling group is created only after the database signals complete readiness.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use the DependsOn attribute on the Auto Scaling group to wait for the RDS instance, and also use cfn-signal on the Auto Scaling group to wait for the database.
Why it's wrong here
cfn-signal is used for instances, not for the Auto Scaling group resource itself.
- ✗
Use the DeletionPolicy attribute on the Auto Scaling group to ensure it is not deleted.
Why it's wrong here
DeletionPolicy controls what happens when the stack is deleted, not creation order.
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 SOA-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.
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FAQ
Questions learners often ask
What does this SOA-C02 question test?
Deployment, Provisioning, and Automation — This question tests Deployment, Provisioning, and Automation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use the DependsOn attribute on the Auto Scaling group to wait for the RDS instance, and also use a CreationPolicy on the RDS instance to signal when it is ready. — Use DependsOn to specify that the Auto Scaling group depends on the database resource, and also use CreationPolicy or WaitCondition to wait for the database to be fully ready. DependsOn alone only waits for CloudFormation to mark the resource as created, not for the database to be 'available'. Therefore, combining DependsOn with a CreationPolicy (e.g., AWS::CloudFormation::WaitCondition) ensures the Auto Scaling group is created only after the database signals readiness. Option A is wrong because DependsOn alone is insufficient. Option B is wrong because cfn-signal is used with Auto Scaling group's CreationPolicy. Option D is wrong because DeletionPolicy affects deletion, not creation.
What should I do if I get this SOA-C02 question wrong?
Identify which SOA-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
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Last reviewed: Jun 20, 2026
This SOA-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 SOA-C02 exam.
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