- A
Use AWS CloudFormation with a user data script that downloads the code from S3.
Why wrong: User data runs only on first launch, but CloudFormation does not automatically re-run user data on instance replacement unless the launch template is updated.
- B
Use AWS Systems Manager Automation to run a document that downloads the code each time the instance is started.
Why wrong: Automation runs manually or on schedule, not automatically on instance launch.
- C
Use AWS OpsWorks Stacks with a custom layer and a Chef recipe that downloads the code.
Why wrong: OpsWorks is a separate service; not needed for simple S3 download.
- D
Create a lifecycle hook in the Auto Scaling group that triggers a Lambda function or runs a Systems Manager command to download the code.
Lifecycle hooks allow custom actions during instance launch and termination.
SOA-C02 Deployment, Provisioning, and Automation Practice Question
This SOA-C02 practice question tests your understanding of deployment, provisioning, and automation. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 SysOps administrator needs to deploy an application to a fleet of EC2 instances in an Auto Scaling group. The application code is stored in an S3 bucket. The administrator wants to automate the deployment so that new instances automatically download the latest code on launch. Which approach should the administrator 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
Create a lifecycle hook in the Auto Scaling group that triggers a Lambda function or runs a Systems Manager command to download the code.
Option D is correct because lifecycle hooks in Auto Scaling groups allow you to execute custom actions (via Lambda or Systems Manager Run Command) when instances launch, enabling automatic download of the latest code from S3. Option A is incorrect because CloudFormation user data scripts are static and require updating the launch configuration when code changes. Option B is incorrect because Systems Manager Automation is designed for runbook-style automation, not automatic execution on every instance launch without a lifecycle hook. Option C is incorrect because OpsWorks Stacks adds unnecessary complexity; lifecycle hooks provide a simpler, native solution.
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 AWS CloudFormation with a user data script that downloads the code from S3.
Why it's wrong here
User data runs only on first launch, but CloudFormation does not automatically re-run user data on instance replacement unless the launch template is updated.
- ✗
Use AWS Systems Manager Automation to run a document that downloads the code each time the instance is started.
Why it's wrong here
Automation runs manually or on schedule, not automatically on instance launch.
- ✗
Use AWS OpsWorks Stacks with a custom layer and a Chef recipe that downloads the code.
Why it's wrong here
OpsWorks is a separate service; not needed for simple S3 download.
- ✓
Create a lifecycle hook in the Auto Scaling group that triggers a Lambda function or runs a Systems Manager command to download the code.
Why this is correct
Lifecycle hooks allow custom actions during instance launch and termination.
Related concept
Read the scenario before looking for a memorised answer.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
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: Create a lifecycle hook in the Auto Scaling group that triggers a Lambda function or runs a Systems Manager command to download the code. — Option D is correct because lifecycle hooks in Auto Scaling groups allow you to execute custom actions (via Lambda or Systems Manager Run Command) when instances launch, enabling automatic download of the latest code from S3. Option A is incorrect because CloudFormation user data scripts are static and require updating the launch configuration when code changes. Option B is incorrect because Systems Manager Automation is designed for runbook-style automation, not automatic execution on every instance launch without a lifecycle hook. Option C is incorrect because OpsWorks Stacks adds unnecessary complexity; lifecycle hooks provide a simpler, native solution.
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
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 →
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Last reviewed: Jun 20, 2026
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