Quick Answer
The correct answer is aws:SourceVpce, as this condition key is specifically designed to restrict S3 bucket access to requests originating from a particular VPC endpoint. When you attach a bucket policy using aws:SourceVpce, you are telling S3 to only allow access if the request comes through that exact VPC endpoint ID, which is ideal for cross-account sharing where the partner must use a controlled network path. On the AWS Certified Data Engineer Associate DEA-C01 exam, this question tests your understanding of fine-grained network-based access controls for S3, often appearing in scenarios involving sensitive data sharing between accounts. A common trap is confusing aws:SourceVpc (which limits to an entire VPC) with aws:SourceVpce (which limits to a specific endpoint); remember that "Vpce" includes the "e" for "endpoint," so think "VPC Endpoint" to recall the correct key.
This DEA-C01 practice question tests your understanding of data security and governance. 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 company needs to share a dataset stored in an S3 bucket with a partner account. The dataset contains sensitive information, so the company wants to ensure that the partner account can only access the data using a specific VPC endpoint in the partner's account. Which S3 bucket policy condition key should be used?
aws:SourceVpc
Why wrong: SourceVpc restricts to a VPC, not an endpoint.
aws:SourceArn
Why wrong: SourceArn is for resource ARNs.
aws:SourceIp
Why wrong: SourceIp restricts by IP, not VPC endpoint.
aws:SourceVpce
SourceVpce restricts to a specific VPC endpoint.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
aws:SourceVpce
Option C is correct because aws:SourceVpce restricts access to a specific VPC endpoint. Option A is wrong because aws:SourceIp is for IP addresses. Option B is wrong because aws:SourceArn is for resource ARNs. Option D is wrong because aws:SourceVpc is for VPC, not endpoint.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
aws:SourceVpc
Why it's wrong here
SourceVpc restricts to a VPC, not an endpoint.
aws:SourceArn
Why it's wrong here
SourceArn is for resource ARNs.
aws:SourceIp
Why it's wrong here
SourceIp restricts by IP, not VPC endpoint.
aws:SourceVpce
Why this is correct
SourceVpce restricts to a specific VPC endpoint.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
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
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
Identify which DEA-C01 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
Data Security and Governance — This question tests Data Security and Governance — Read the scenario before looking for a memorised answer..
The correct answer is: aws:SourceVpce — Option C is correct because aws:SourceVpce restricts access to a specific VPC endpoint. Option A is wrong because aws:SourceIp is for IP addresses. Option B is wrong because aws:SourceArn is for resource ARNs. Option D is wrong because aws:SourceVpc is for VPC, not endpoint.
Identify which DEA-C01 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.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
This DEA-C01 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 DEA-C01 exam.
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