- A
Use a parallel action group with separate build actions for each microservice.
Parallel actions allow simultaneous builds.
- B
Create a separate pipeline for each microservice to fully isolate failures.
Separate pipelines prevent cross-microservice impact.
- C
Configure the pipeline to block subsequent stages if any build action fails.
Why wrong: Blocking would affect other microservices.
- D
Configure a single build action that sequentially builds all microservices.
Why wrong: Sequential builds would block if one fails.
- E
Set the 'RunOrder' field for each build action to the same number to run them in parallel.
Same RunOrder runs actions in parallel.
Question 672 of 1,750
DOP-C02 SDLC Automation Practice Question
This DOP-C02 practice question tests your understanding of sdlc automation. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 designing a CI/CD pipeline for a microservices application. Each microservice has its own code repository and build artifacts. The team wants to use AWS CodePipeline with multiple parallel actions to build and test all microservices simultaneously. They also want to ensure that if one microservice's build fails, the pipeline does not block other microservices. Which THREE steps should the team take? (Choose THREE.)
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
✓
Use a parallel action group with separate build actions for each microservice.
Option A is correct because using a parallel action group with separate build actions for each microservice allows simultaneous builds within a single pipeline, and failures in one action do not block others. Option B is correct because creating separate pipelines per microservice fully isolates failures, ensuring that a failure in one microservice does not affect the pipelines of other microservices. Option E is correct because setting the 'RunOrder' field to the same number for multiple build actions in a parallel group allows them to run concurrently. Options C and D are incorrect: C would block subsequent stages on failure, which is not desired; D uses sequential builds, which would slow down the pipeline and cause a single failure to block all.
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 a parallel action group with separate build actions for each microservice.
Why this is correct
Parallel actions allow simultaneous builds.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Create a separate pipeline for each microservice to fully isolate failures.
Why this is correct
Separate pipelines prevent cross-microservice impact.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Configure the pipeline to block subsequent stages if any build action fails.
Why it's wrong here
Blocking would affect other microservices.
- ✗
Configure a single build action that sequentially builds all microservices.
Why it's wrong here
Sequential builds would block if one fails.
- ✓
Set the 'RunOrder' field for each build action to the same number to run them in parallel.
Why this is correct
Same RunOrder runs actions in parallel.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think a single pipeline with parallel actions is sufficient and that separate pipelines per microservice are unnecessary, but the question allows for both approaches as valid steps. Option B is actually correct because creating separate pipelines fully isolates failures at the pipeline level, which is an even stronger isolation than parallel actions within a single pipeline. The question asks for three steps, so both A and B are valid. The key is to understand that both parallelism within a pipeline and separate pipelines can achieve the goal of not blocking other microservices on failure.
Detailed technical explanation
How to think about this question
In AWS CodePipeline, parallel action groups are defined by setting the same RunOrder value for multiple actions within a stage; each action runs concurrently and independently, and failures in one action do not affect the execution of others. This behavior is distinct from sequential actions where a failure stops the stage. For microservices with independent codebases, this pattern enables efficient CI/CD while maintaining fault isolation.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
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: Use a parallel action group with separate build actions for each microservice. — Option A is correct because using a parallel action group with separate build actions for each microservice allows simultaneous builds within a single pipeline, and failures in one action do not block others. Option B is correct because creating separate pipelines per microservice fully isolates failures, ensuring that a failure in one microservice does not affect the pipelines of other microservices. Option E is correct because setting the 'RunOrder' field to the same number for multiple build actions in a parallel group allows them to run concurrently. Options C and D are incorrect: C would block subsequent stages on failure, which is not desired; D uses sequential builds, which would slow down the pipeline and cause a single failure to block all.
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: Jun 11, 2026
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