- A
Create the S3 bucket, then create the Lambda function, then add an S3 trigger to the Lambda function, then configure the S3 bucket event notification to invoke the Lambda, then test by uploading a file.
This is the correct order because the S3 bucket must exist before you can create a trigger that references it. The Lambda function must exist before you can add a trigger. Adding the trigger configures the event notification, so testing uploads a file to verify the flow.
- B
Create the Lambda function, then create the S3 bucket, then add an S3 trigger to the Lambda function, then configure the S3 bucket event notification, then test.
Why wrong: This is incorrect because the S3 bucket must be created before the Lambda function can be triggered by it. While the function can be created first, the bucket and trigger order is reversed; the trigger cannot be added until the bucket exists.
- C
Create the S3 bucket, then create the Lambda function, then configure the S3 bucket event notification, then add an S3 trigger to the Lambda function, then test.
Why wrong: This is incorrect because if you configure the S3 bucket event notification before adding the trigger to the Lambda function, the notification will have no target Lambda function to invoke. The trigger must be added first to create the permissions and association.
- D
Create the S3 bucket, then add an S3 trigger to the Lambda function (but the function doesn't exist yet), then create the Lambda function, then configure the S3 bucket event notification, then test.
Why wrong: This is incorrect because you cannot add a trigger to a Lambda function that does not yet exist. The Lambda function must be created before you can add any triggers to it.
DOP-C02 Configuration Management and IaC Practice Question
This DOP-C02 practice question tests your understanding of configuration management and iac. 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.
Drag and drop the steps to set up an AWS Lambda function triggered by an S3 event.
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 the S3 bucket, then create the Lambda function, then add an S3 trigger to the Lambda function, then configure the S3 bucket event notification to invoke the Lambda, then test by uploading a file.
First create the bucket, then create the Lambda function, then add trigger, then configure notification, then test.
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.
- ✓
Create the S3 bucket, then create the Lambda function, then add an S3 trigger to the Lambda function, then configure the S3 bucket event notification to invoke the Lambda, then test by uploading a file.
Why this is correct
This is the correct order because the S3 bucket must exist before you can create a trigger that references it. The Lambda function must exist before you can add a trigger. Adding the trigger configures the event notification, so testing uploads a file to verify the flow.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create the Lambda function, then create the S3 bucket, then add an S3 trigger to the Lambda function, then configure the S3 bucket event notification, then test.
Why it's wrong here
This is incorrect because the S3 bucket must be created before the Lambda function can be triggered by it. While the function can be created first, the bucket and trigger order is reversed; the trigger cannot be added until the bucket exists.
- ✗
Create the S3 bucket, then create the Lambda function, then configure the S3 bucket event notification, then add an S3 trigger to the Lambda function, then test.
Why it's wrong here
This is incorrect because if you configure the S3 bucket event notification before adding the trigger to the Lambda function, the notification will have no target Lambda function to invoke. The trigger must be added first to create the permissions and association.
- ✗
Create the S3 bucket, then add an S3 trigger to the Lambda function (but the function doesn't exist yet), then create the Lambda function, then configure the S3 bucket event notification, then test.
Why it's wrong here
This is incorrect because you cannot add a trigger to a Lambda function that does not yet exist. The Lambda function must be created before you can add any triggers to it.
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 DOP-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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Configuration Management and IaC — study guide chapter
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FAQ
Questions learners often ask
What does this DOP-C02 question test?
Configuration Management and IaC — This question tests Configuration Management and IaC — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create the S3 bucket, then create the Lambda function, then add an S3 trigger to the Lambda function, then configure the S3 bucket event notification to invoke the Lambda, then test by uploading a file. — First create the bucket, then create the Lambda function, then add trigger, then configure notification, then test.
What should I do if I get this DOP-C02 question wrong?
Identify which DOP-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.
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Last reviewed: Jun 11, 2026
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