- A
Use drift detection to identify changes.
Why wrong: Detects changes after they occur, does not prevent.
- B
Enable termination protection on the stack.
Why wrong: Prevents deletion, not replacement during update.
- C
Use a change set to review the updates before executing them.
Why wrong: Does not prevent replacement; only previews.
- D
Define a stack policy that denies updates to the database resource.
Stack policies allow you to protect specific resources from updates.
Question 1,386 of 1,546
SOA-C02 Reliability and Business Continuity Practice Question
This SOA-C02 practice question tests your understanding of reliability and business continuity. 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 using AWS CloudFormation to manage its infrastructure. The SysOps Administrator needs to ensure that updates to a critical stack do not accidentally replace the database. Which feature should be used?
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
✓
Define a stack policy that denies updates to the database resource.
Option D is correct because a stack policy in AWS CloudFormation explicitly denies updates to specified resources, such as the database, preventing accidental replacement or deletion during stack updates. Unlike termination protection, which only prevents stack deletion, a stack policy controls update actions on individual resources within the stack.
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 drift detection to identify changes.
Why it's wrong here
Detects changes after they occur, does not prevent.
- ✗
Enable termination protection on the stack.
Why it's wrong here
Prevents deletion, not replacement during update.
- ✗
Use a change set to review the updates before executing them.
Why it's wrong here
Does not prevent replacement; only previews.
- ✓
Define a stack policy that denies updates to the database resource.
Why this is correct
Stack policies allow you to protect specific resources from updates.
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 often confuse termination protection (which only prevents stack deletion) with the ability to protect individual resources from replacement during updates, leading them to incorrectly select option B.
Detailed technical explanation
How to think about this question
A stack policy is a JSON document that defines resource-level permissions for update actions, using Deny effects to block specific operations like Replace or Update on critical resources. Under the hood, CloudFormation evaluates the stack policy against each resource action during an update, and if a Deny matches, the update fails for that resource, ensuring the database is never replaced even if the template changes. In real-world scenarios, this is crucial for stateful resources like RDS instances or DynamoDB tables where accidental replacement would cause data loss.
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.
- →
Reliability and Business Continuity — study guide chapter
Learn the concepts, then practise the questions
- →
Reliability and Business Continuity practice questions
Targeted practice on this topic area only
- →
All SOA-C02 questions
1,546 questions across all exam domains
- →
AWS Certified SysOps Administrator Associate SOA-C02 study guide
Full concept coverage aligned to exam objectives
- →
SOA-C02 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Related SOA-C02 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Monitoring, Logging, and Remediation practice questions
Practise SOA-C02 questions linked to Monitoring, Logging, and Remediation.
Reliability and Business Continuity practice questions
Practise SOA-C02 questions linked to Reliability and Business Continuity.
Deployment, Provisioning, and Automation practice questions
Practise SOA-C02 questions linked to Deployment, Provisioning, and Automation.
Security and Compliance practice questions
Practise SOA-C02 questions linked to Security and Compliance.
Networking and Content Delivery practice questions
Practise SOA-C02 questions linked to Networking and Content Delivery.
Cost and Performance Optimization practice questions
Practise SOA-C02 questions linked to Cost and Performance Optimization.
SOA-C02 fundamentals practice questions
Practise SOA-C02 questions linked to SOA-C02 fundamentals.
SOA-C02 scenario practice questions
Practise SOA-C02 questions linked to SOA-C02 scenario.
SOA-C02 troubleshooting practice questions
Practise SOA-C02 questions linked to SOA-C02 troubleshooting.
Practice this exam
Start a free SOA-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 SOA-C02 question test?
Reliability and Business Continuity — This question tests Reliability and Business Continuity — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Define a stack policy that denies updates to the database resource. — Option D is correct because a stack policy in AWS CloudFormation explicitly denies updates to specified resources, such as the database, preventing accidental replacement or deletion during stack updates. Unlike termination protection, which only prevents stack deletion, a stack policy controls update actions on individual resources within the stack.
What should I do if I get this SOA-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 SOA-C02 practice questions
- A company uses an Amazon DynamoDB table with on-demand capacity mode. The table handles a workload with a steady baselin…
- A company uses Amazon CloudWatch Logs to store application logs. The SysOps administrator needs to count the occurrences…
- A SysOps administrator needs to monitor the CPU utilization of an Amazon EC2 instance and send an alert when it exceeds…
- A SysOps administrator needs to monitor the CPU utilization of an Amazon EC2 instance fleet and send an alert when the a…
- A company's security policy requires that all Amazon S3 buckets must have server-side encryption enabled. The SysOps adm…
- A SysOps administrator uses AWS CloudFormation to deploy a stack that includes an Amazon EC2 instance. The administrator…
Last reviewed: Jul 4, 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.
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.