Quick Answer
The Archive storage class is the correct choice because it offers the cheapest storage cost for long-term archival data, specifically designed for objects accessed less than once per year. This class minimizes storage expenses by trading off higher retrieval costs and a 365-day minimum storage duration, while still maintaining high durability through automatic replication. On the Google Professional Cloud DevOps Engineer exam, this question tests your understanding of Cloud Storage class trade-offs, often appearing as a scenario where cost optimization is the primary constraint. A common trap is confusing Archive with Coldline or Nearline, which have lower retrieval costs but higher storage prices, making them unsuitable for true archival needs. Remember the memory tip: “Archive for annual access, Coldline for quarterly, Nearline for monthly, and Standard for frequent” — if data is touched less than once a year, Archive is the cheapest storage class.
This PCDOE practice question tests your understanding of managing google cloud costs. 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 uses Cloud Storage to store archival data. They want to minimize storage costs while maintaining availability. Which storage class should they use?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Nearline storage class.
Why wrong: Nearline is for data accessed less than once a month, but Archive is cheaper.
Standard storage class.
Why wrong: Standard is for frequently accessed data, not cost-efficient for archival.
Archive storage class.
Archive is the lowest-cost storage class for long-term archival data.
Coldline storage class.
Why wrong: Coldline is for data accessed less than once a quarter, but Archive is cheaper.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Archive storage class.
The Archive storage class is the correct choice because it offers the lowest storage cost for archival data that is accessed less than once per year, with a 365-day minimum storage duration and retrieval costs that are higher than other classes. This aligns with the requirement to minimize storage costs while maintaining availability, as Archive data is still available for retrieval (though with a longer latency) and is replicated for durability.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Nearline storage class.
Why it's wrong here
Nearline is for data accessed less than once a month, but Archive is cheaper.
Standard storage class.
Why it's wrong here
Standard is for frequently accessed data, not cost-efficient for archival.
Archive storage class.
Why this is correct
Archive is the lowest-cost storage class for long-term archival data.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Coldline storage class.
Why it's wrong here
Coldline is for data accessed less than once a quarter, but Archive is cheaper.
Common exam traps
The trap here is that candidates often confuse 'Coldline' with the cheapest option because of its name, but Archive is actually the lowest-cost class for truly archival data, and Cisco tests whether you know the specific access frequency and minimum storage duration differences between Coldline and Archive.
Detailed technical explanation
Under the hood, Cloud Storage uses a unified API but different storage classes map to distinct underlying storage tiers with varying redundancy and access latency; Archive class uses erasure coding and nearline tape-like media, resulting in retrieval times typically within 24 hours. A subtle behavior is that the Archive class has a 365-day minimum storage duration, so deleting data earlier incurs an early deletion fee, which can negate cost savings if data is not truly archival. In a real-world scenario, a company storing compliance logs that must be retained for 7 years but rarely accessed would benefit from Archive, but must account for retrieval costs if an audit requires access.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
What to study next
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FAQ
Managing Google Cloud costs — This question tests Managing Google Cloud costs — Read the scenario before looking for a memorised answer..
The correct answer is: Archive storage class. — The Archive storage class is the correct choice because it offers the lowest storage cost for archival data that is accessed less than once per year, with a 365-day minimum storage duration and retrieval costs that are higher than other classes. This aligns with the requirement to minimize storage costs while maintaining availability, as Archive data is still available for retrieval (though with a longer latency) and is replicated for durability.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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