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Question 623 of 1,040

Design Resilient Architectures →mediumMultiple ChoiceObjective-mapped

Quick Answer

The answer is to create scheduled EBS snapshots and copy them to another Region, then restore volumes from those snapshots during recovery. This approach is correct because scheduled snapshots provide automated, frequent point-in-time backups of EBS volumes, and the cross-Region snapshot copy feature replicates those snapshots to a different Region for disaster recovery. On the SAA-C03 exam, this scenario tests your understanding of cost-effective, automated replication for stateful workloads—a common trap is choosing real-time replication like EBS replication or Multi-Attach, which either lacks cross-Region support or is unnecessary for point-in-time recovery. Remember that snapshots are incremental, so copying only changed blocks reduces costs and transfer time. A useful memory tip: “Snapshots copy across Regions, volumes restore from snapshots”—if you need cross-Region restorability with frequent recovery points, think scheduled snapshots plus cross-Region copy, not continuous replication.

SAA-C03 Design Resilient Architectures Practice Question

This SAA-C03 practice question tests your understanding of design resilient architectures. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.

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?

Question 1mediummultiple choice

Full question →

A
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
Enable EBS multi-attach to spread the workload across AZs and replicate snapshots automatically between Regions.
Why wrong: Multi-attach increases concurrent access within certain designs but does not replicate data between Regions.
C
Use RDS read replicas in another Region and keep the analytics dataset in an RDS instance only.
Why wrong: RDS replicas address database workloads, not EBS volume snapshots for existing EC2-backed storage.
D
Rely on instance store for durability and copy only AMIs across Regions.
Why wrong: Instance store is not reliable durable storage, and copying AMIs alone does not capture EBS volume data.

Full breakdown with real-world context →

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

✓

Create scheduled EBS snapshots and copy them to another Region, then restore the volumes from those snapshots during recovery.

Scheduled EBS snapshots provide point-in-time backups of EBS volumes, which can be copied to another Region using the cross-Region snapshot copy feature. During recovery, you restore volumes from those snapshots in the target Region, ensuring the data is restorable after a major outage. This approach meets the requirements for frequent point-in-time recovery and cross-Region durability.

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.

✓
Create scheduled EBS snapshots and copy them to another Region, then restore the volumes from those snapshots during recovery.
Why this is correct
Snapshotting and cross-Region copying gives point-in-time images of EBS volumes that can be restored in the target Region.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable EBS multi-attach to spread the workload across AZs and replicate snapshots automatically between Regions.
Why it's wrong here
Multi-attach increases concurrent access within certain designs but does not replicate data between Regions.
✗
Use RDS read replicas in another Region and keep the analytics dataset in an RDS instance only.
Why it's wrong here
RDS replicas address database workloads, not EBS volume snapshots for existing EC2-backed storage.
✗
Rely on instance store for durability and copy only AMIs across Regions.
Why it's wrong here
Instance store is not reliable durable storage, and copying AMIs alone does not capture EBS volume data.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates may confuse EBS multi-attach (which is for high availability within a single AZ) with cross-Region replication, or mistakenly think instance store provides durability for long-term data recovery.

Detailed technical explanation

How to think about this question

EBS snapshots are stored in Amazon S3 and are incremental, meaning only changed blocks are saved after the initial snapshot, reducing storage costs and backup time. Cross-Region snapshot copy uses the AWS global infrastructure to transfer snapshot data over the AWS backbone network, and you can automate this with Amazon Data Lifecycle Manager (DLM) or AWS Backup. In a real-world scenario, you might combine this with EBS fast snapshot restore to pre-warm volumes in the recovery Region for faster restore times.

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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.

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.

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FAQ

Questions learners often ask

What does this SAA-C03 question test?

Design Resilient Architectures — This question tests Design Resilient Architectures — Read the scenario before looking for a memorised answer..

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. — Scheduled EBS snapshots provide point-in-time backups of EBS volumes, which can be copied to another Region using the cross-Region snapshot copy feature. During recovery, you restore volumes from those snapshots in the target Region, ensuring the data is restorable after a major outage. This approach meets the requirements for frequent point-in-time recovery and cross-Region durability.

What should I do if I get this SAA-C03 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.

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Same concept, more angles

1 more ways this is tested on SAA-C03

These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.

Variation 1. 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?

medium

✓ A.Create scheduled EBS snapshots and copy them to another Region, then restore the volumes from those snapshots during recovery.
B.Enable EBS multi-attach to spread the workload across AZs and replicate snapshots automatically between Regions.
C.Use RDS read replicas in another Region and keep the analytics dataset in an RDS instance only.
D.Rely on instance store for durability and copy only AMIs across Regions.

Why A: Option A is correct because scheduled EBS snapshots provide point-in-time recovery and can be copied to another Region for cross-region disaster recovery. When a major outage occurs, you can restore EBS volumes from those snapshots in the target Region, meeting the requirement for frequent restorable backups. This approach is native to AWS, cost-effective, and supports the stateful analytics workload without architectural changes.

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