The answer is the EC2 instance profile lacks an IAM policy granting s3:GetObject on the application version. This is the most likely cause because when Elastic Beanstalk deploys, it stores the application source bundle in an S3 bucket, and the EC2 instances in your environment must download that bundle to run it. Without the s3:GetObject permission attached to the instance profile, the instances cannot retrieve the file, causing the deployment to fail and the environment health to turn Red. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this question tests your understanding of the separation between the Elastic Beanstalk service role (which manages the environment) and the instance profile (which governs what the EC2 instances themselves can do). A common trap is confusing the service role with the instance profile—remember that the service role handles API calls for Elastic Beanstalk, while the instance profile is what your application’s EC2 instances use to access resources like S3. Memory tip: “Instances need GET; the service role does the rest.”
SOA-C02 Deployment, Provisioning, and Automation Practice Question
This SOA-C02 practice question tests your understanding of deployment, provisioning, and automation. 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.
A company uses AWS Elastic Beanstalk to deploy a web application. During a deployment, the environment's health turns from Green to Red, and the deployment fails. The logs show 'ERROR: Failed to download the application version from Amazon S3.' 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 EC2 instance profile does not have an IAM policy granting s3:GetObject on the application version
Option D is correct because the instance profile must have permissions to read the application version from S3. Option A is wrong because the S3 bucket is internal. Option B is wrong because the service role is for Elastic Beanstalk service, not instances. Option C is wrong because S3 is highly durable.
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 EC2 instance profile does not have an IAM policy granting s3:GetObject on the application version
Why this is correct
The instance profile needs permissions to download from S3.
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 Elastic Beanstalk service role does not have permissions to access S3
Why it's wrong here
The service role is for the Elastic Beanstalk service, not for EC2 instances.
✗
The S3 bucket is in a different AWS Region
Why it's wrong here
Cross-region access is possible with proper permissions; not the most likely cause.
✗
The S3 bucket containing the application version has public read access disabled
Why it's wrong here
Public access is not required; the instances use an instance profile.
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 SOA-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.
Deployment, Provisioning, and Automation — This question tests Deployment, Provisioning, and Automation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The EC2 instance profile does not have an IAM policy granting s3:GetObject on the application version — Option D is correct because the instance profile must have permissions to read the application version from S3. Option A is wrong because the S3 bucket is internal. Option B is wrong because the service role is for Elastic Beanstalk service, not instances. Option C is wrong because S3 is highly durable.
What should I do if I get this SOA-C02 question wrong?
Identify which SOA-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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Question Discussion
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