This PCDOE practice question tests your understanding of optimizing service performance. Compare every option against the stated constraints before choosing — the best answer satisfies all requirements, not just the most obvious one. 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.
Which storage class provides the lowest cost for data accessed less than once a year?
Nearline
Why wrong: Nearline is for data accessed less than once a month.
Archive
Correct. Archive is for data accessed less than once a year, at lowest cost.
Standard
Why wrong: Standard is for frequently accessed data.
Coldline
Why wrong: Coldline is for data accessed less than once a quarter.
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
Archive storage class is the correct answer because it is specifically designed for long-term data retention where access is extremely infrequent, such as less than once a year. It offers the lowest storage cost among Google Cloud Storage classes, but with higher retrieval costs and a minimum storage duration of 365 days, making it ideal for data that is rarely accessed.
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
Why it's wrong here
Nearline is for data accessed less than once a month.
Archive
Why this is correct
Correct. Archive is for data accessed less than once a year, at lowest cost.
Related concept
Read the scenario before looking for a memorised answer.
Standard
Why it's wrong here
Standard is for frequently accessed data.
Coldline
Why it's wrong here
Coldline is for data accessed less than once a quarter.
Common exam traps
Google Cloud often tests the distinction between Coldline and Archive by making candidates confuse the minimum storage duration (90 days for Coldline vs. 365 days for Archive) and the access frequency thresholds (once a quarter vs. once a year), leading them to pick Coldline when Archive is the correct lowest-cost option for data accessed less than once a year.
Detailed technical explanation
Under the hood, Google Cloud Storage classes use different underlying storage media and replication strategies to balance cost and latency. Archive storage, for example, uses nearline tape-like storage with retrieval times typically in minutes to hours, and enforces a 365-day minimum storage duration to prevent early deletion penalties. In a real-world scenario, a company storing backup tapes or regulatory records that must be kept for 7 years but never accessed would choose Archive to minimize costs.
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
Optimizing service performance — This question tests Optimizing service performance — Read the scenario before looking for a memorised answer..
The correct answer is: Archive — Archive storage class is the correct answer because it is specifically designed for long-term data retention where access is extremely infrequent, such as less than once a year. It offers the lowest storage cost among Google Cloud Storage classes, but with higher retrieval costs and a minimum storage duration of 365 days, making it ideal for data that is rarely accessed.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This PCDOE 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 PCDOE exam.
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