easyMultiple ChoiceObjective-mapped
Google ACE Practice Question: A compliance archive stores legal documents…
A compliance archive stores legal documents accessed at most once per quarter. Which Cloud Storage class minimizes storage cost while meeting that access pattern?
⚠ Common exam trap
Google Cloud often tests the misconception that Archive is always the cheapest option for infrequently accessed data, ignoring the minimum storage duration and retrieval costs that can make Coldline more cost-effective for quarterly access patterns.
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
✓
Coldline
Coldline storage is designed for data accessed less than once per quarter, offering lower storage costs than Standard or Nearline while still providing millisecond access when needed. For a compliance archive accessed at most once per quarter, Coldline minimizes storage cost without incurring the higher retrieval fees or minimum storage durations of Archive storage.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Standard
Why it's wrong here
Standard storage is optimized for frequently accessed ('hot') data and carries the highest per-GB storage price among the four classes. Since this document is accessed only quarterly, paying the full hot-data rate would waste budget, and unlike Coldline it offers no cost advantage for infrequent reads. A better fit is Coldline, which specifically matches quarterly access patterns.
- ✗
Nearline
Why it's wrong here
Nearline is intended for data accessed less than once a month, with a 30-day minimum storage duration. While it is cheaper than Standard, its storage cost is still higher than Coldline, and the access pattern here is quarterly—less frequent than Nearline's design point. For data touched every three months, Coldline's lower storage price makes it more economical despite slightly higher retrieval fees.
- ✓
Coldline
Why this is correct
Coldline is designed for data accessed no more than once per quarter, exactly matching the stated requirement. It offers a low storage cost to minimize spend on long-term retention, with a 90-day minimum storage duration that aligns well with quarterly access. Although retrieval fees are higher than Standard or Nearline, the infrequent access makes Coldline the most cost-effective choice here.
- ✗
Archive
Why it's wrong here
Archive has the lowest storage cost but is built for data accessed less than once a year, with a 365-day minimum storage duration and significantly higher retrieval fees than Coldline. Choosing Archive for quarterly access would incur expensive retrieval charges every time the document is read, and the long minimum period may cause early-deletion penalties if data is removed sooner. The 90-day minimum and lower retrieval cost of Coldline make it the appropriate class for this workload.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
Go deeper
Related to this question
Learn chapter
Google Cloud Platform Overview
Key term
Storage class
A storage class is a category of data storage that defines how data is stored, accessed, retrieved, and billed in a cloud environment.
Key term
Cloud storage
Cloud storage is a service that lets you save data on remote servers accessed over the internet instead of on your computer's hard drive.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This ACE 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 ACE exam.