SOA-C02 Reliability and Business Continuity Practice Question
This SOA-C02 practice question tests your understanding of reliability and business continuity. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
Refer to the exhibit. A SysOps administrator creates a CloudFormation stack with the template shown. After 30 days, what happens to noncurrent versions of objects in the bucket?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
They are permanently deleted.
The CloudFormation template configures an S3 bucket with a lifecycle rule that sets 'NoncurrentVersionExpirationInDays' to 30. This rule permanently deletes noncurrent versions of objects after 30 days, as S3 lifecycle policies for noncurrent versions do not transition to other storage classes unless explicitly specified with a separate transition action. After 30 days, the noncurrent versions are removed from the bucket entirely.
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.
✓
They are permanently deleted.
Why this is correct
Lifecycle rule expires noncurrent versions.
Related concept
Read the scenario before looking for a memorised answer.
✗
They are moved to Amazon S3 Glacier.
Why it's wrong here
No transition defined.
✗
They become the current version.
Why it's wrong here
They are deleted, not promoted.
✗
They are moved to Amazon S3 Standard-Infrequent Access.
Why it's wrong here
No transition defined.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may assume noncurrent versions are automatically transitioned to cheaper storage classes like Glacier or S3 Standard-IA, but without explicit transition actions in the lifecycle rule, only expiration (deletion) occurs.
Detailed technical explanation
How to think about this question
S3 lifecycle policies for versioned buckets allow separate management of current and noncurrent versions. The 'NoncurrentVersionExpirationInDays' action triggers permanent deletion of noncurrent versions after the specified number of days from when they became noncurrent. Under the hood, S3 tracks the 'IsLatest' flag for each object version; when a new version is uploaded, the previous version's flag is set to false, and the lifecycle policy counts days from that timestamp. A real-world scenario is cost optimization for log files where old versions are automatically purged after a retention period.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Reliability and Business Continuity — This question tests Reliability and Business Continuity — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: They are permanently deleted. — The CloudFormation template configures an S3 bucket with a lifecycle rule that sets 'NoncurrentVersionExpirationInDays' to 30. This rule permanently deletes noncurrent versions of objects after 30 days, as S3 lifecycle policies for noncurrent versions do not transition to other storage classes unless explicitly specified with a separate transition action. After 30 days, the noncurrent versions are removed from the bucket entirely.
What should I do if I get this SOA-C02 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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
This SOA-C02 practice question is part of Courseiva's free Amazon Web Services 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 SOA-C02 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.