- A
Use a WaitCondition and a WaitHandle to pause creation
Why wrong: WaitCondition pauses for external signals, not for resource creation.
- B
Set the RDS instance's DeletionPolicy to Retain
Why wrong: DeletionPolicy affects deletion, not creation.
- C
Define a StackPolicy that denies updates to the RDS instance
Why wrong: StackPolicy controls updates, not creation failures.
- D
Add a CreationPolicy to the RDS instance with a timeout
CreationPolicy monitors resource creation and triggers rollback on failure.
Question 103 of 1,750
DOP-C02 SDLC Automation Practice Question
This DOP-C02 practice question tests your understanding of sdlc automation. 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.
A company uses AWS CloudFormation to manage infrastructure. The DevOps engineer wants to ensure that stack updates are rolled back if a new Amazon RDS instance fails to be created. Which CloudFormation feature should the engineer use?
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
✓
Add a CreationPolicy to the RDS instance with a timeout
A CreationPolicy with a timeout ensures that CloudFormation waits for a specified period for the RDS instance to be fully created and signal success. If the instance fails to create within the timeout, CloudFormation treats it as a failure and triggers a stack update rollback, which is exactly what the engineer needs to automatically revert changes when the RDS creation fails.
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 a WaitCondition and a WaitHandle to pause creation
Why it's wrong here
WaitCondition pauses for external signals, not for resource creation.
- ✗
Set the RDS instance's DeletionPolicy to Retain
Why it's wrong here
DeletionPolicy affects deletion, not creation.
- ✗
Define a StackPolicy that denies updates to the RDS instance
Why it's wrong here
StackPolicy controls updates, not creation failures.
- ✓
Add a CreationPolicy to the RDS instance with a timeout
Why this is correct
CreationPolicy monitors resource creation and triggers rollback on failure.
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 confuse CreationPolicy with WaitCondition, not realizing that CreationPolicy is specifically designed to monitor resource creation success and trigger rollback on failure, while WaitCondition requires external signaling and is not automatically tied to resource lifecycle.
Detailed technical explanation
How to think about this question
Under the hood, a CreationPolicy works by having CloudFormation wait for a specified number of success signals (via cfn-signal) from the resource or a timeout period. For RDS, the creation process is asynchronous, and without a CreationPolicy, CloudFormation considers the resource created as soon as the API call returns, potentially missing failures that occur after the initial response. In real-world scenarios, this is critical for databases that take minutes to provision; the timeout ensures rollback occurs if the instance fails to reach the 'available' state within the expected window.
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.
- →
SDLC Automation — study guide chapter
Learn the concepts, then practise the questions
- →
SDLC Automation practice questions
Targeted practice on this topic area only
- →
All DOP-C02 questions
1,750 questions across all exam domains
- →
AWS Certified DevOps Engineer Professional DOP-C02 study guide
Full concept coverage aligned to exam objectives
- →
DOP-C02 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Related DOP-C02 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Configuration Management and IaC practice questions
Practise DOP-C02 questions linked to Configuration Management and IaC.
Resilient Cloud Solutions practice questions
Practise DOP-C02 questions linked to Resilient Cloud Solutions.
Monitoring and Logging practice questions
Practise DOP-C02 questions linked to Monitoring and Logging.
Incident and Event Response practice questions
Practise DOP-C02 questions linked to Incident and Event Response.
Security and Compliance practice questions
Practise DOP-C02 questions linked to Security and Compliance.
SDLC Automation practice questions
Practise DOP-C02 questions linked to SDLC Automation.
DOP-C02 fundamentals practice questions
Practise DOP-C02 questions linked to DOP-C02 fundamentals.
DOP-C02 scenario practice questions
Practise DOP-C02 questions linked to DOP-C02 scenario.
DOP-C02 troubleshooting practice questions
Practise DOP-C02 questions linked to DOP-C02 troubleshooting.
Practice this exam
Start a free DOP-C02 practice session
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
Questions learners often ask
What does this DOP-C02 question test?
SDLC Automation — This question tests SDLC Automation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Add a CreationPolicy to the RDS instance with a timeout — A CreationPolicy with a timeout ensures that CloudFormation waits for a specified period for the RDS instance to be fully created and signal success. If the instance fails to create within the timeout, CloudFormation treats it as a failure and triggers a stack update rollback, which is exactly what the engineer needs to automatically revert changes when the RDS creation fails.
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.
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 →
Keep practising
More DOP-C02 practice questions
- A company uses AWS CodePipeline with a multi-branch strategy. A new feature branch triggers a pipeline that runs unit te…
- A development team uses AWS CodeBuild to compile a Java application and run unit tests. The build takes 30 minutes, but…
- A company uses AWS CodePipeline with multiple stages: Source (Amazon S3), Build (AWS CodeBuild), and Deploy (AWS CodeDep…
- A company uses AWS CodeCommit for source control. Developers frequently push large binary files (e.g., compiled JARs) to…
- A company runs a Stateful application on EC2 that requires sticky sessions. They use an ALB with duration-based stickine…
- An organization uses AWS CodePipeline to orchestrate deployments to multiple environments (dev, test, prod). Each enviro…
Last reviewed: Jul 4, 2026
This DOP-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 DOP-C02 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.