- A
Add an approval action in the pipeline stage before deploy
Approval action pauses pipeline for manual sign-off.
- B
Use Amazon SNS to send a notification and rely on a Lambda function to resume
Why wrong: This is overly complex; built-in approval is simpler.
- C
Add a CodeBuild action that waits for an SNS confirmation
Why wrong: CodeBuild does not have a wait mechanism for approvals.
- D
Configure the S3 bucket to send an event to the pipeline after upload
Why wrong: That would not pause the pipeline.
Question 417 of 1,750
DOP-C02 SDLC Automation Practice Question
This DOP-C02 practice question tests your understanding of sdlc 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 DevOps team uses AWS CodePipeline to deploy a static website to Amazon S3. The pipeline has a source stage from CodeCommit, a build stage using CodeBuild that generates the website files, and a deploy stage that copies files to an S3 bucket. The team wants to add a manual approval step before the deploy stage. What should the engineer do?
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 an approval action in the pipeline stage before deploy
Option A is correct because AWS CodePipeline natively supports a manual approval action that can be added as a stage gate. By inserting an approval action in a stage immediately before the deploy stage, the pipeline will pause and require a designated approver to manually approve or reject the deployment, ensuring human oversight before files are copied to the S3 bucket.
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.
- ✓
Add an approval action in the pipeline stage before deploy
Why this is correct
Approval action pauses pipeline for manual sign-off.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use Amazon SNS to send a notification and rely on a Lambda function to resume
Why it's wrong here
This is overly complex; built-in approval is simpler.
- ✗
Add a CodeBuild action that waits for an SNS confirmation
Why it's wrong here
CodeBuild does not have a wait mechanism for approvals.
- ✗
Configure the S3 bucket to send an event to the pipeline after upload
Why it's wrong here
That would not pause the pipeline.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse event-driven automation (SNS, Lambda, S3 events) with the need for a manual approval gate, overlooking that CodePipeline's built-in approval action is the simplest and most direct solution for human-in-the-loop control.
Detailed technical explanation
How to think about this question
Under the hood, a manual approval action in CodePipeline creates a stage that transitions to a 'Stopped' state until an approver uses the AWS Management Console, CLI, or API to submit an approval or rejection via the PutApprovalResult call. This action can be configured with optional SNS notifications to alert approvers, but the core mechanism relies on the pipeline's state machine, which polls for the approval result. In real-world scenarios, this is critical for production deployments where compliance requires sign-off from a release manager before static assets are published to a public S3 bucket.
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 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.
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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 an approval action in the pipeline stage before deploy — Option A is correct because AWS CodePipeline natively supports a manual approval action that can be added as a stage gate. By inserting an approval action in a stage immediately before the deploy stage, the pipeline will pause and require a designated approver to manually approve or reject the deployment, ensuring human oversight before files are copied to the S3 bucket.
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.
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Last reviewed: Jul 4, 2026
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