The answer is Amazon EBS snapshots, the correct choice because they provide a simple, incremental backup method for EBS volumes that captures point-in-time data and stores it durably in Amazon S3, enabling full restoration to a new EC2 instance if the original server is lost. This directly meets the requirement for a backup that allows recovery after server failure, as snapshots are not tied to a specific instance or Availability Zone. On the SAA-C03 exam, this concept tests your understanding of how EBS snapshots differ from AMIs—snapshots back up individual volumes, while AMIs include the OS and launch permissions—and a common trap is confusing snapshots with instance store volumes, which are ephemeral and cannot be backed up this way. Remember the memory tip: “Snapshots save the data, AMIs launch the instance.”
SAA-C03 Design Secure Architectures Practice Question
This SAA-C03 practice question tests your understanding of design secure 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 production application stores critical data on an Amazon EBS volume. The team wants a simple backup method that allows the volume to be restored later if the server is lost. What should they use?
Why wrong: Versioning protects S3 objects, not block storage volumes attached to EC2.
B
Amazon EBS snapshots
EBS snapshots are the native backup mechanism for EBS volumes. They capture point-in-time copies that can later be used to create a new volume, making them a simple and reliable way to restore data after a server or volume loss. Snapshots are incremental, so repeated backups are efficient and suitable for ongoing protection.
C
AWS Security Hub
Why wrong: Security Hub helps with security findings, not data backup or restore operations.
D
Amazon CloudFront invalidations
Why wrong: CloudFront invalidations affect cached web content, not EBS data durability or recovery.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Amazon EBS snapshots
Amazon EBS snapshots are the correct choice because they provide a simple, incremental backup method for EBS volumes. Snapshots capture the data on the volume at a specific point in time and are stored in Amazon S3, allowing the volume to be restored to a new EC2 instance if the original server is lost. This directly meets the requirement for a backup that enables restoration after server failure.
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.
✗
Amazon S3 bucket versioning
Why it's wrong here
Versioning protects S3 objects, not block storage volumes attached to EC2.
✓
Amazon EBS snapshots
Why this is correct
EBS snapshots are the native backup mechanism for EBS volumes. They capture point-in-time copies that can later be used to create a new volume, making them a simple and reliable way to restore data after a server or volume loss. Snapshots are incremental, so repeated backups are efficient and suitable for ongoing protection.
Related concept
Read the scenario before looking for a memorised answer.
✗
AWS Security Hub
Why it's wrong here
Security Hub helps with security findings, not data backup or restore operations.
✗
Amazon CloudFront invalidations
Why it's wrong here
CloudFront invalidations affect cached web content, not EBS data durability or recovery.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates might confuse EBS snapshots with S3 versioning, thinking that S3 can directly back up EBS volumes, but EBS snapshots are the native, designed service for this purpose.
Detailed technical explanation
How to think about this question
EBS snapshots are stored in Amazon S3, but they are not directly accessible as S3 objects; they are managed through the EBS API. Snapshots are incremental, meaning only the blocks that have changed since the last snapshot are saved, reducing storage costs and backup time. When restoring a volume from a snapshot, the new volume is lazily loaded from S3, so performance may be lower initially until all blocks are accessed and loaded.
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.
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.
Design Secure Architectures — This question tests Design Secure Architectures — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Amazon EBS snapshots — Amazon EBS snapshots are the correct choice because they provide a simple, incremental backup method for EBS volumes. Snapshots capture the data on the volume at a specific point in time and are stored in Amazon S3, allowing the volume to be restored to a new EC2 instance if the original server is lost. This directly meets the requirement for a backup that enables restoration after server failure.
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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Question Discussion
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