The answer is that the instance is not EBS-backed, which is the most likely cause when a VM import export fails no root volume error appears. AWS VM Import/Export requires the source EC2 instance to have an Elastic Block Store (EBS) root volume rather than an instance store volume, because the service needs to snapshot the root device for conversion; an instance store volume is ephemeral and lacks a persistent root volume that the tool can attach and export. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this scenario tests your understanding of the prerequisites for hybrid migration workflows, often appearing as a trick where candidates overlook the root volume requirement and instead blame permissions, snapshot issues, or format mismatches. A common trap is assuming any running instance can be exported, but the error message explicitly points to the missing root volume. Remember: if the error says “no root volume,” the instance is almost certainly instance store-backed, not EBS-backed—think “EBS for export, instance store for ephemeral.”
SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
This SAP-C02 practice question tests your understanding of accelerate workload migration and modernization. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
Exhibit
Refer to the exhibit.
Error: Unable to export instance i-1234567890abcdef0 to Amazon S3. The instance does not have an attached root volume.
A solutions architect is trying to export an EC2 instance as a VM using AWS VM Import/Export. The CLI command fails with the error shown in the exhibit. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The instance is not an EBS-backed instance.
Option C is correct because the error explicitly states the instance does not have an attached root volume. Option A is wrong because the error mentions root volume, not a snapshot. Option B is wrong because the error does not mention permissions. Option D is wrong because the error does not mention format.
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.
✗
The specified S3 bucket is in a different region.
Why it's wrong here
The error specifically mentions no attached root volume.
✓
The instance is not an EBS-backed instance.
Why this is correct
VM Import/Export requires EBS-backed instances; instance store-backed instances lack a persistent root volume.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The IAM role used does not have permission to export instances.
Why it's wrong here
The error does not indicate a permissions issue.
✗
The instance is based on an instance store-backed AMI.
Why it's wrong here
Instance store-backed instances have a root volume, but it is ephemeral; the error says no attached root volume.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 SAP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Accelerate Workload Migration and Modernization — This question tests Accelerate Workload Migration and Modernization — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The instance is not an EBS-backed instance. — Option C is correct because the error explicitly states the instance does not have an attached root volume. Option A is wrong because the error mentions root volume, not a snapshot. Option B is wrong because the error does not mention permissions. Option D is wrong because the error does not mention format.
What should I do if I get this SAP-C02 question wrong?
Identify which SAP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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