← DOP-C02·Amazon Web Services

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SDLC Automation →easyMultiple ChoiceObjective-mapped

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.

An organization uses AWS CodeBuild to compile and test their code. They want to reuse build artifacts across multiple build projects to reduce build time. What is the BEST approach?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.

A
Use the local cache feature in CodeBuild to store artifacts on the build instance.
Why wrong: Local cache is only available within the same build project and not shared across projects.
B
Store build artifacts in an Amazon S3 bucket and configure each build project to download them from S3.
S3 is a durable storage that can be accessed by multiple build projects to fetch shared artifacts.
C
Use Docker layer caching to store intermediate build layers.
Why wrong: Docker layer caching is for Docker builds, not general artifacts.
D
Mount an Amazon EFS file system to each build environment to share artifacts.
Why wrong: EFS is not supported in CodeBuild environments.

Full breakdown with real-world context →

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

✓

Store build artifacts in an Amazon S3 bucket and configure each build project to download them from S3.

Option B is correct because storing artifacts in Amazon S3 allows sharing across multiple build projects. Option A is incorrect because the local cache is tied to a single build project and not shared. Option C is incorrect because Docker layer caching is used for container builds, not for general build artifacts. Option D is incorrect because Amazon EFS is a file system for shared storage but is not typically used for CodeBuild artifact sharing; S3 is the recommended service.

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 the local cache feature in CodeBuild to store artifacts on the build instance.
Why it's wrong here
Local cache is only available within the same build project and not shared across projects.
✓
Store build artifacts in an Amazon S3 bucket and configure each build project to download them from S3.
Why this is correct
S3 is a durable storage that can be accessed by multiple build projects to fetch shared artifacts.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use Docker layer caching to store intermediate build layers.
Why it's wrong here
Docker layer caching is for Docker builds, not general artifacts.
✗
Mount an Amazon EFS file system to each build environment to share artifacts.
Why it's wrong here
EFS is not supported in CodeBuild environments.

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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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: Store build artifacts in an Amazon S3 bucket and configure each build project to download them from S3. — Option B is correct because storing artifacts in Amazon S3 allows sharing across multiple build projects. Option A is incorrect because the local cache is tied to a single build project and not shared. Option C is incorrect because Docker layer caching is used for container builds, not for general build artifacts. Option D is incorrect because Amazon EFS is a file system for shared storage but is not typically used for CodeBuild artifact sharing; S3 is the recommended service.

What should I do if I get this DOP-C02 question wrong?

Are there clue words in this question I should notice?

Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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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.