- A
Interface VPC endpoint for Systems Manager
Systems Manager/Parameter Store access uses interface endpoints powered by AWS PrivateLink.
- B
Internet gateway attached to the VPC
Why wrong: An internet gateway is not used by private subnets for private AWS service access.
- C
NAT gateway in each Availability Zone
Why wrong: A NAT gateway allows outbound internet access but does not keep traffic fully private.
- D
Gateway VPC endpoint for Amazon S3
A gateway endpoint provides private connectivity from a VPC to S3 without NAT or internet gateways.
Question 435 of 1,040
SAA-C03 Interface VPC endpoints use AWS PrivateLink. Practice Question
This SAA-C03 practice question tests your understanding of design secure architectures. 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. A key principle to apply: interface VPC endpoints use AWS PrivateLink.. 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 private application in two private subnets must download objects from S3 and read parameters from Systems Manager Parameter Store without routing traffic through the public internet. Which two components should the architect use? The team wants the control to be enforceable during normal operations.
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
✓
Interface VPC endpoint for Systems Manager
An Interface VPC endpoint (AWS PrivateLink) for Systems Manager allows the private subnets to securely access Systems Manager Parameter Store without traversing the internet, using private IP addresses within the VPC. This ensures traffic stays within the AWS network and is enforceable via VPC endpoint policies and security groups.
Key principle: Interface VPC endpoints use AWS PrivateLink.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Interface VPC endpoint for Systems Manager
Why this is correct
Systems Manager/Parameter Store access uses interface endpoints powered by AWS PrivateLink.
Related concept
Interface VPC endpoints use AWS PrivateLink.
- ✗
Internet gateway attached to the VPC
Why it's wrong here
An internet gateway is not used by private subnets for private AWS service access.
- ✗
NAT gateway in each Availability Zone
- ✓
Gateway VPC endpoint for Amazon S3
Common exam traps
Common exam trap: answer the scenario, not the keyword
AWS often tests the distinction between Interface VPC endpoints (for services like Systems Manager, API Gateway, and Kinesis) and Gateway VPC endpoints (for S3 and DynamoDB), and candidates mistakenly assume a NAT gateway or internet gateway is required for private subnets to access these services.
Detailed technical explanation
How to think about this question
Interface VPC endpoints use AWS PrivateLink to create an elastic network interface (ENI) in the subnet with a private IP, allowing traffic to AWS services via the AWS backbone. Gateway VPC endpoints for S3 use route table entries to direct S3 traffic through the AWS network without leaving the VPC, and they support endpoint policies for fine-grained access control. Both endpoint types are highly available within an Availability Zone and can be used together to meet the requirement without internet gateways or NAT gateways.
KKey Concepts to Remember
- Interface VPC endpoints use AWS PrivateLink.
- They provide private connectivity to many AWS services.
- Traffic remains within the AWS network, not the public internet.
- Interface endpoints appear as ENIs with private IPs in your subnets.
TExam Day Tips
- 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
Interface VPC endpoints use AWS PrivateLink.
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.
Visual reference
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
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Review interface VPC endpoints use AWS PrivateLink., then practise related SAA-C03 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this SAA-C03 question test?
Design Secure Architectures — This question tests Design Secure Architectures — Interface VPC endpoints use AWS PrivateLink..
What is the correct answer to this question?
The correct answer is: Interface VPC endpoint for Systems Manager — An Interface VPC endpoint (AWS PrivateLink) for Systems Manager allows the private subnets to securely access Systems Manager Parameter Store without traversing the internet, using private IP addresses within the VPC. This ensures traffic stays within the AWS network and is enforceable via VPC endpoint policies and security groups.
What should I do if I get this SAA-C03 question wrong?
Review interface VPC endpoints use AWS PrivateLink., then practise related SAA-C03 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Interface VPC endpoints use AWS PrivateLink.
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Last reviewed: Jun 30, 2026
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