← SOA-C02·Amazon Web Services

Question 401 of 1,546

Security and Compliance →hardMultiple SelectObjective-mapped

Quick Answer

The correct steps are enabling S3 bucket-side encryption with SSE-KMS for encryption at rest, using an S3 endpoint policy to restrict access to a specific VPC, and uploading with the AWS CLI using the --sse aws:kms option to enforce encryption during the transfer. This combination ensures data is encrypted both at rest in the bucket and in transit over the network, while the endpoint policy prevents exposure to public internet routes. On the AWS Certified SysOps Administrator Associate SOA-C02 exam, this scenario tests your understanding of layered security controls—specifically how SSE-KMS, VPC endpoints, and CLI flags work together to meet compliance requirements. A common trap is assuming HTTPS alone covers encryption in transit; while HTTPS is mandatory, the exam expects you to explicitly enforce server-side encryption with the --sse flag and control access via endpoint policies. Remember the mnemonic "KMS, Endpoint, CLI" to recall the three required steps for secure S3 data transfer.

SOA-C02 Security and Compliance Practice Question

This SOA-C02 practice question tests your understanding of security and compliance. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 SysOps administrator needs to securely transfer a large dataset from an on-premises server to an Amazon S3 bucket. The data is sensitive and must be encrypted in transit and at rest. Which THREE steps should the administrator take? (Choose three.)

Question 1hardmulti select

Full question →

A
Create an S3 endpoint policy that only allows access from the on-premises IP range
This restricts access to the bucket to only the on-premises network, enhancing security.
B
Enable default encryption on the S3 bucket using SSE-KMS
This ensures data is encrypted at rest by default, even if the upload does not specify encryption.
C
Use the AWS CLI with the --sse aws:kms option to enforce encryption during upload
This ensures that the upload command explicitly requests KMS encryption for the objects.
D
Disable public access to the S3 bucket
Why wrong: While good practice, it's not specific to the transfer scenario; the bucket should already be private.
E
Use an S3 bucket policy that denies requests unless they are made over HTTPS
Why wrong: This is important but not a step the administrator takes; it's part of bucket policy configuration. However, the question asks for steps, and this is implied. Better to include endpoint restriction.

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 an S3 endpoint policy that only allows access from the on-premises IP range

To securely transfer data, you should enable S3 bucket-side encryption (SSE-KMS or SSE-S3) for encryption at rest, use an S3 endpoint policy to restrict access (e.g., only allow from specific VPC), and use AWS CLI with --sse flag to enforce server-side encryption during upload. While HTTPS is mandatory, it's implicitly used; the explicit steps are the other three. Using public endpoints would expose data; disabling HTTPS would break encryption in transit.

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 an S3 endpoint policy that only allows access from the on-premises IP range
Why this is correct
This restricts access to the bucket to only the on-premises network, enhancing security.
Related concept
Read the scenario before looking for a memorised answer.
✓
Enable default encryption on the S3 bucket using SSE-KMS
Why this is correct
This ensures data is encrypted at rest by default, even if the upload does not specify encryption.
Related concept
Read the scenario before looking for a memorised answer.
✓
Use the AWS CLI with the --sse aws:kms option to enforce encryption during upload
Why this is correct
This ensures that the upload command explicitly requests KMS encryption for the objects.
Related concept
Read the scenario before looking for a memorised answer.
✗
Disable public access to the S3 bucket
Why it's wrong here
While good practice, it's not specific to the transfer scenario; the bucket should already be private.
✗
Use an S3 bucket policy that denies requests unless they are made over HTTPS
Why it's wrong here
This is important but not a step the administrator takes; it's part of bucket policy configuration. However, the question asks for steps, and this is implied. Better to include endpoint restriction.

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.

Trap categories for this question

Scenario analysis trap
While good practice, it's not specific to the transfer scenario; the bucket should already be private.

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.

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FAQ

Questions learners often ask

What does this SOA-C02 question test?

Security and Compliance — This question tests Security and Compliance — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Create an S3 endpoint policy that only allows access from the on-premises IP range — To securely transfer data, you should enable S3 bucket-side encryption (SSE-KMS or SSE-S3) for encryption at rest, use an S3 endpoint policy to restrict access (e.g., only allow from specific VPC), and use AWS CLI with --sse flag to enforce server-side encryption during upload. While HTTPS is mandatory, it's implicitly used; the explicit steps are the other three. Using public endpoints would expose data; disabling HTTPS would break encryption in transit.

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

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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This SOA-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SOA-C02 exam.