Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A company runs a stateful analytics workload on EC2 instances that use EBS volumes. The data must be restorable in another Region after a major outage, with frequent point-in-time recovery. Which approach provides the most suitable replication mechanism for the EBS-backed data?
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
Best answer
Create scheduled EBS snapshots and copy them to another Region, then restore the volumes from those snapshots during recovery.
Snapshotting and cross-Region copying gives point-in-time images of EBS volumes that can be restored in the target Region.
B
Distractor review
Enable EBS multi-attach to spread the workload across AZs and replicate snapshots automatically between Regions.
Multi-attach increases concurrent access within certain designs but does not replicate data between Regions.
C
Distractor review
Use RDS read replicas in another Region and keep the analytics dataset in an RDS instance only.
RDS replicas address database workloads, not EBS volume snapshots for existing EC2-backed storage.
D
Distractor review
Rely on instance store for durability and copy only AMIs across Regions.
Instance store is not reliable durable storage, and copying AMIs alone does not capture EBS volume data.
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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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: Create scheduled EBS snapshots and copy them to another Region, then restore the volumes from those snapshots during recovery. — For EBS-backed state on EC2, the most direct durability-and-replication mechanism is EBS snapshots. By creating scheduled snapshots and copying them to another Region, the company maintains point-in-time recoverable images of the volumes. During a disaster recovery event, they can recreate volumes from the copied snapshots in the target Region and re-launch the instances. This approach specifically targets EBS data and supports frequent restore points aligned with RPO-style expectations. Why others are wrong: Multi-attach (B) is an availability/architecture option for certain access patterns within an AZ context and does not provide cross-Region replication of volume data. RDS read replicas (C) assume the data lives in a database engine, which is not the case for EBS volumes. Instance store and AMI copies (D) do not provide durable storage replication for the underlying volume contents.
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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