A media company stores application logs in S3. The logs must be kept for 400 days. They are read heavily for the first 30 days, occasionally for the next 90 days, and almost never after that. Retrieval after the first 3 months can wait a few hours. Which three lifecycle actions should they use to minimize storage cost? Select three.
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
Best answer
Transition objects to S3 Standard-IA after 30 days.
Standard-IA is appropriate once logs are no longer read frequently but still need fast retrieval. Moving after the heavy-access period lowers storage cost while keeping objects available for occasional reads.
Best answer
Transition objects to S3 Glacier Flexible Retrieval after 90 days.
Glacier Flexible Retrieval is designed for infrequent access and lower storage cost when retrieval can tolerate minutes to hours. That matches the scenario after the first three months.
Best answer
Expire objects after 400 days.
Expiration after the retention requirement ends prevents paying for storage beyond the required audit window. That is a direct and valid lifecycle cost-saving measure.
Distractor review
Keep all objects in S3 Standard for the full retention period.
S3 Standard is the most expensive of the listed storage choices for long-lived, rarely accessed logs. Keeping everything in Standard ignores the clear decline in access frequency.
Distractor review
Transition objects to S3 One Zone-IA after 30 days.
One Zone-IA reduces cost, but it stores data in a single Availability Zone. For audit logs, that durability tradeoff is usually unnecessary and less appropriate than Standard-IA and Glacier.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A team needs to distribute TCP traffic (not HTTP) across multiple services. The services must see the original client source IP for auditing. Which AWS load balancer is the best fit?
Question 2
A team wants to run containerized services with AWS-managed orchestration and autoscaling. They do NOT require Kubernetes compatibility. Which AWS service choice is most appropriate to meet these goals?
Question 3
A solutions architect is designing an S3 bucket for a IoT ingestion API. The objects must never be publicly accessible, even if a developer later adds an overly broad bucket policy. What should the architect configure? The design must avoid adding custom operational scripts.
Question 4
A solutions architect is designing an S3 bucket for a claims portal. The objects must never be publicly accessible, even if a developer later adds an overly broad bucket policy. What should the architect configure?
Question 5
A team wants to delegate IAM management to developers, but must ensure developers can never grant themselves permissions beyond a specific limit. Which AWS mechanism best matches this requirement?
Question 6
A solutions architect is designing an S3 bucket for a healthcare document service. The objects must never be publicly accessible, even if a developer later adds an overly broad bucket policy. What should the architect configure?
FAQ
Questions learners often ask
What does this SAA-C03 question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Transition objects to S3 Standard-IA after 30 days. — The lifecycle should match the access pattern over time. Standard-IA is a good fit once logs are no longer frequently accessed but still need quick retrieval. Glacier Flexible Retrieval lowers cost further when retrieval can take longer. Finally, expiration at 400 days stops unnecessary charges after the compliance retention period ends. This sequence preserves access when needed and progressively lowers storage spend. Keeping logs in S3 Standard for the full term is needlessly expensive, and One Zone-IA trades away durability in a way that is usually not justified for audit logs. The scenario already allows slower retrieval later, so the lifecycle policy should take advantage of colder classes instead of retaining premium storage.
What should I do if I get this SAA-C03 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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