- A
The manifest for prod contains a syntax error or references a resource that does not exist in the prod cluster.
'MANIFEST_INVALID' typically indicates that the Kubernetes manifest is malformed, has invalid references, or does not pass validation against the target cluster's API.
- B
The prod target's applyManifest has a higher replica count than staging, which violates a cluster quota.
Why wrong: The failure cause is 'MANIFEST_INVALID', not quota-related. Quota errors would have a different failure cause.
- C
The prod cluster does not have the necessary permissions to pull the container image.
Why wrong: Image pull errors would result in a different failure cause, such as 'IMAGE_PULL_ERROR' or similar.
- D
The release was not approved for the prod target.
Why wrong: If approval were missing, the rollout would likely be in a pending state, not failed with MANIFEST_INVALID.
Google PCA Ensure solution and operations reliability Practice Question
This PCA practice question tests your understanding of ensure solution and operations reliability. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
Refer to the exhibit. A Cloud Deploy pipeline has a release with two targets: staging and prod. The staging rollout succeeded, but the prod rollout failed with 'MANIFEST_INVALID'. What is the most likely cause of the failure?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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
The manifest for prod contains a syntax error or references a resource that does not exist in the prod cluster.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The manifest for prod contains a syntax error or references a resource that does not exist in the prod cluster.
Why this is correct
'MANIFEST_INVALID' typically indicates that the Kubernetes manifest is malformed, has invalid references, or does not pass validation against the target cluster's API.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
The prod target's applyManifest has a higher replica count than staging, which violates a cluster quota.
Why it's wrong here
The failure cause is 'MANIFEST_INVALID', not quota-related. Quota errors would have a different failure cause.
- ✗
The prod cluster does not have the necessary permissions to pull the container image.
Why it's wrong here
Image pull errors would result in a different failure cause, such as 'IMAGE_PULL_ERROR' or similar.
- ✗
The release was not approved for the prod target.
Why it's wrong here
If approval were missing, the rollout would likely be in a pending state, not failed with MANIFEST_INVALID.
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
Similar concept trap
Image pull errors would result in a different failure cause, such as 'IMAGE_PULL_ERROR' or similar.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
Identify which PCA 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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Ensure solution and operations reliability — study guide chapter
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FAQ
Questions learners often ask
What does this PCA question test?
Ensure solution and operations reliability — This question tests Ensure solution and operations reliability — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The manifest for prod contains a syntax error or references a resource that does not exist in the prod cluster.
What should I do if I get this PCA question wrong?
Identify which PCA 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.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jul 4, 2026
This PCA practice question is part of Courseiva's free Google Cloud 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 PCA exam.
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