Google PCA Manage implementation of cloud architecture Practice Question
This PCA practice question tests your understanding of manage implementation of cloud architecture. 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 store customer transaction logs for 7 years for compliance. The logs are accessed rarely but must be retrievable within 24 hours. Which storage option is most cost-effective?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
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Cloud Storage Archive class
Cloud Storage Archive class is the most cost-effective option for data that is accessed rarely and requires retrieval within 24 hours. Archive class offers the lowest storage cost among Google Cloud Storage classes, with a default retrieval time of 12 hours, which comfortably meets the 24-hour requirement. This makes it ideal for long-term compliance retention of transaction logs that are infrequently accessed.
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.
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Cloud Storage Archive class
Why this is correct
Archive class offers lowest cost for long-term storage with retrieval within 24 hours.
Related concept
Read the scenario before looking for a memorised answer.
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Cloud Storage Nearline class
Why it's wrong here
Nearline is for backups/archives with 30-day min, more expensive than Archive.
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Cloud Storage Coldline class
Why it's wrong here
Coldline is for archives with 90-day min, more expensive than Archive.
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Cloud Storage Standard class
Why it's wrong here
Standard class is for frequently accessed data, more expensive.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the misconception that Coldline is the cheapest storage class, but Archive class actually has the lowest storage cost, with retrieval times up to 24 hours, making it the correct choice for rarely accessed data with flexible retrieval requirements.
Detailed technical explanation
How to think about this question
Under the hood, Cloud Storage Archive class uses a combination of nearline and offline storage media, with data automatically transitioned to lower-cost tiers after 365 days by default. Retrieval times are typically within 12 hours, but can vary based on the storage location and current system load; for compliance scenarios, you can set up Object Lifecycle Management to automatically move logs from Standard to Archive after a specified period. A real-world scenario is a financial institution storing PCI DSS audit logs for 7 years, where Archive class provides the lowest storage cost while still meeting the 24-hour retrieval SLA for regulatory audits.
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 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.
Manage implementation of cloud architecture — This question tests Manage implementation of cloud architecture — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Cloud Storage Archive class — Cloud Storage Archive class is the most cost-effective option for data that is accessed rarely and requires retrieval within 24 hours. Archive class offers the lowest storage cost among Google Cloud Storage classes, with a default retrieval time of 12 hours, which comfortably meets the 24-hour requirement. This makes it ideal for long-term compliance retention of transaction logs that are infrequently accessed.
What should I do if I get this PCA 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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Question Discussion
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