Google PCA Practice Question: Analysing and Optimising Technical and Business Processes
This PCA practice question tests your understanding of analysing and optimising technical and business processes. 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.
A company wants to reduce egress costs from Google Cloud when serving static content to users worldwide. They also need to ensure low latency for global users. Which TWO actions should they take? (Choose 2)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use premium tier network for egress traffic.
Cloud CDN caches content at edge locations, reducing egress from the origin and providing low latency. Using a premium tier network improves performance and can reduce egress costs compared to standard tier. Allowing public access to the bucket is not directly related to egress cost reduction.
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.
✗
Enable VPC Flow Logs to monitor egress.
Why it's wrong here
Logging does not reduce costs.
✓
Use premium tier network for egress traffic.
Why this is correct
Premium tier uses Google's global network, which can improve performance and reduce bandwidth costs compared to standard internet.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use a multi-regional Cloud Storage bucket to serve content.
Why it's wrong here
Multi-regional buckets replicate data but still serve from GCP regions; egress costs are not reduced.
✓
Configure Cloud CDN in front of the origin.
Why this is correct
Cloud CDN caches content at edges, reducing origin egress and latency.
Related concept
Read the scenario before looking for a memorised answer.
✗
Allow public access to the bucket and use signed URLs.
Why it's wrong here
This does not reduce egress; signed URLs are for authentication.
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 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this PCA question in full detail.
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.
Analysing and Optimising Technical and Business Processes — This question tests Analysing and Optimising Technical and Business Processes — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use premium tier network for egress traffic. — Cloud CDN caches content at edge locations, reducing egress from the origin and providing low latency. Using a premium tier network improves performance and can reduce egress costs compared to standard tier. Allowing public access to the bucket is not directly related to egress cost reduction.
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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