- A
Set the MAVEN_OPTS environment variable to use a custom repository path.
Why wrong: Environment variable is not required for caching; the buildspec specifies cache paths.
- B
Configure the buildspec to upload the Maven repository as a build artifact.
Why wrong: Artifacts are for build output, not caching for future builds.
- C
Enable 'Local cache' mode in the CodeBuild project.
Why wrong: Local cache mode is for Docker layer caching, not Maven repository caching.
- D
Add a 'cache' section in the buildspec file specifying the paths to cache.
The buildspec cache section tells CodeBuild which files to cache.
- E
Create an S3 bucket to store the cache.
CodeBuild stores cache in an S3 bucket that you specify.
Question 1,353 of 1,750
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.
A DevOps team is using AWS CodeBuild to run unit tests and package a Java application. They want to cache the Maven local repository (~/.m2) between builds to improve build times. Which TWO steps are necessary to enable caching in CodeBuild? (Select TWO.)
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 a 'cache' section in the buildspec file specifying the paths to cache.
To enable caching for the Maven local repository in AWS CodeBuild, two steps are required: (1) Add a `cache` section in the buildspec file specifying the paths to cache (e.g., ~/.m2) — this is option D. (2) Create an S3 bucket to store the cache and configure the CodeBuild project to use that bucket for caching — this is option E. Option A (setting MAVEN_OPTS) is not necessary because the default Maven repository path is already ~/.m2. Option B (uploading as a build artifact) is for saving output artifacts, not for caching. Option C ('Local cache' mode) is a different feature used for Docker layer caching, not for Maven dependencies. Therefore, options D and E are correct.
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.
- ✗
Set the MAVEN_OPTS environment variable to use a custom repository path.
Why it's wrong here
Environment variable is not required for caching; the buildspec specifies cache paths.
- ✗
Configure the buildspec to upload the Maven repository as a build artifact.
Why it's wrong here
Artifacts are for build output, not caching for future builds.
- ✗
Enable 'Local cache' mode in the CodeBuild project.
Why it's wrong here
Local cache mode is for Docker layer caching, not Maven repository caching.
- ✓
Add a 'cache' section in the buildspec file specifying the paths to cache.
Why this is correct
The buildspec cache section tells CodeBuild which files to cache.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Create an S3 bucket to store the cache.
Why this is correct
CodeBuild stores cache in an S3 bucket that you specify.
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.
Trap categories for this question
Command / output trap
Artifacts are for build output, not caching for future builds.
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
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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Configuration Management and IaC practice questions
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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: Add a 'cache' section in the buildspec file specifying the paths to cache. — To enable caching for the Maven local repository in AWS CodeBuild, two steps are required: (1) Add a `cache` section in the buildspec file specifying the paths to cache (e.g., ~/.m2) — this is option D. (2) Create an S3 bucket to store the cache and configure the CodeBuild project to use that bucket for caching — this is option E. Option A (setting MAVEN_OPTS) is not necessary because the default Maven repository path is already ~/.m2. Option B (uploading as a build artifact) is for saving output artifacts, not for caching. Option C ('Local cache' mode) is a different feature used for Docker layer caching, not for Maven dependencies. Therefore, options D and E are correct.
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.
About these practice questions
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Last reviewed: Jun 20, 2026
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