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Question 442 of 1,546

Deployment, Provisioning, and Automation →hardMultiple ChoiceObjective-mapped

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.

A
The EC2 instance profile does not have an IAM policy granting s3:GetObject on the application version
The instance profile needs permissions to download from S3.
B
The Elastic Beanstalk service role does not have permissions to access S3
Why wrong: The service role is for the Elastic Beanstalk service, not for EC2 instances.
C
The S3 bucket is in a different AWS Region
Why wrong: Cross-region access is possible with proper permissions; not the most likely cause.
D
The S3 bucket containing the application version has public read access disabled
Why wrong: Public access is not required; the instances use an instance profile.

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

✓

The EC2 instance profile does not have an IAM policy granting s3:GetObject on the application version

The error 'Failed to download the application version from Amazon S3' indicates that the EC2 instances cannot retrieve the application source from S3. The EC2 instance profile associated with the Elastic Beanstalk environment must have an IAM policy that grants s3:GetObject permission on the S3 bucket containing the application version. Without this permission, the instances cannot download the application, causing deployment failure. Option A is correct because the instance profile lacks the required IAM policy. Option B is incorrect because the Elastic Beanstalk service role is used by the service to manage resources, not by instances to access S3. Option C is incorrect because S3 supports cross-region access; a bucket in a different region can still be accessed. Option D is incorrect because disabling public access is a security best practice; the instances should rely on IAM permissions, not public access.

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.

Quick reference

AWS S3 Storage Class Comparison

Storage Class	Min Duration	Retrieval	Use Case
S3 Standard	None	Immediate	Frequently accessed data
S3 Standard-IA	30 days	Immediate	Infrequent access, rapid retrieval
S3 One Zone-IA	30 days	Immediate	Non-critical infrequent data
S3 Intelligent-Tiering	None	Immediate–hours	Unknown or changing access patterns
S3 Glacier Instant	90 days	Milliseconds	Archive with instant retrieval
S3 Glacier Flexible	90 days	Minutes–hours	Archive, flexible retrieval
S3 Glacier Deep Archive	180 days	Hours	Long-term compliance archive

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.

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FAQ

Questions learners often ask

What does this SOA-C02 question test?

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 — The error 'Failed to download the application version from Amazon S3' indicates that the EC2 instances cannot retrieve the application source from S3. The EC2 instance profile associated with the Elastic Beanstalk environment must have an IAM policy that grants s3:GetObject permission on the S3 bucket containing the application version. Without this permission, the instances cannot download the application, causing deployment failure. Option A is correct because the instance profile lacks the required IAM policy. Option B is incorrect because the Elastic Beanstalk service role is used by the service to manage resources, not by instances to access S3. Option C is incorrect because S3 supports cross-region access; a bucket in a different region can still be accessed. Option D is incorrect because disabling public access is a security best practice; the instances should rely on IAM permissions, not public access.

What should I do if I get this SOA-C02 question wrong?

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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