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hardmulti selectObjective-mapped

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 security team requires the decision to be auditable.

Question 1hardmulti select
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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 security team requires the decision to be auditable.

Full question →

Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

A

Best answer

Interface VPC endpoint for Systems Manager

Systems Manager/Parameter Store access uses interface endpoints powered by AWS PrivateLink.

B

Distractor review

Internet gateway attached to the VPC

An internet gateway is not used by private subnets for private AWS service access.

C

Distractor review

NAT gateway in each Availability Zone

A NAT gateway allows outbound internet access but does not keep traffic fully private.

D

Best answer

Gateway VPC endpoint for Amazon S3

A gateway endpoint provides private connectivity from a VPC to S3 without NAT or internet gateways.

Common exam trap

Common exam trap: usable hosts are not the same as total addresses

Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.

Technical deep dive

How to think about this question

Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.

KKey Concepts to Remember

  • CIDR notation defines the prefix length.
  • Block size helps identify subnet boundaries.
  • Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
  • The required host count determines the smallest suitable subnet.

TExam Day Tips

  • Write the block size before choosing the subnet.
  • Check whether the question asks for hosts, subnets or a specific address range.
  • Do not confuse /24, /25, /26 and /27 host counts.

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More questions from this exam

Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.

Question 1

A team needs to distribute TCP traffic (not HTTP) across multiple services. The services must see the original client source IP for auditing. Which AWS load balancer is the best fit?

Question 2

A team wants to run containerized services with AWS-managed orchestration and autoscaling. They do NOT require Kubernetes compatibility. Which AWS service choice is most appropriate to meet these goals?

Question 3

A solutions architect is designing an S3 bucket for a IoT ingestion API. The objects must never be publicly accessible, even if a developer later adds an overly broad bucket policy. What should the architect configure? The design must avoid adding custom operational scripts.

Question 4

A solutions architect is designing an S3 bucket for a claims portal. The objects must never be publicly accessible, even if a developer later adds an overly broad bucket policy. What should the architect configure?

Question 5

A team wants to delegate IAM management to developers, but must ensure developers can never grant themselves permissions beyond a specific limit. Which AWS mechanism best matches this requirement?

Question 6

A solutions architect is designing an S3 bucket for a healthcare document service. The objects must never be publicly accessible, even if a developer later adds an overly broad bucket policy. What should the architect configure?

FAQ

Questions learners often ask

What does this SAA-C03 question test?

CIDR notation defines the prefix length.

What is the correct answer to this question?

The correct answer is: Interface VPC endpoint for Systems Manager — S3 uses a gateway endpoint, while Systems Manager uses interface endpoints. This keeps service access private and avoids NAT dependency.

What should I do if I get this SAA-C03 question wrong?

Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.

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