Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
A team uses an S3 bucket to store important customer-generated exports. They need protection against accidental overwrites and also want copies of the data in another AWS Region for disaster recovery. Which S3 configuration best satisfies both requirements?
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.
A
Distractor review
Enable S3 lifecycle policies to automatically move objects to Glacier after 30 days only.
Lifecycle transitions help with cost and retention, but they do not protect against overwrites or provide cross-Region copies.
B
Best answer
Enable S3 versioning and configure Cross-Region Replication to a destination bucket in another Region.
Versioning preserves previous object states against overwrites and deletes, while replication provides an additional Region copy for recovery.
C
Distractor review
Disable all versioning and rely on AWS Backup to restore objects from a scheduled backup window.
Relying on backups may introduce recovery delays and does not give immediate protection from overwrites as versioning does.
D
Distractor review
Enable S3 Block Public Access and SSE-S3 encryption, without using versioning or replication.
Block Public Access and encryption improve security, but they do not address resilience to overwrites or Region-level failures.
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: Enable S3 versioning and configure Cross-Region Replication to a destination bucket in another Region. — The requirement has two distinct resilience goals: protect against accidental overwrites and enable cross-Region disaster recovery. S3 versioning provides the overwrite/delete protection by keeping prior versions of objects. Cross-Region Replication then copies new objects (and optionally deletes/version markers, depending on setup) to a destination bucket in another Region, so data can be restored even if the primary Region is affected. This combination directly addresses both parts of the scenario. Why others are wrong: Lifecycle policies to Glacier do not prevent overwrites and do not create a disaster recovery copy in another Region. Disabling versioning and relying only on scheduled backups may increase recovery time and does not provide the same overwrite protection. Security-focused controls like Block Public Access and SSE are helpful but do not satisfy the durability and recovery requirements.
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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