Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
Your application runs in private subnets with no NAT gateway. It needs to call AWS Secrets Manager to retrieve secrets. For private connectivity without internet egress, which VPC endpoint type should you create for AWS Secrets Manager?
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
An Interface VPC endpoint (AWS PrivateLink) for secretsmanager in your Region
Secrets Manager supports Interface VPC endpoints. An interface endpoint provides private connectivity from subnets to the Secrets Manager API without traversing the public internet.
B
Distractor review
A Gateway VPC endpoint for secretsmanager
Gateway endpoints are used for certain AWS services (commonly S3 and DynamoDB). Secrets Manager uses Interface endpoints, not gateway endpoints.
C
Distractor review
A NAT gateway in the private subnet route table
A NAT gateway provides outbound internet egress. This contradicts the stated constraint of no NAT gateway (and, by implication, no internet routing).
D
Distractor review
A VPC peering connection to the AWS public network hosting Secrets Manager
VPC peering is not the mechanism used to reach AWS service endpoints like Secrets Manager. The supported approach for private access to these APIs is AWS PrivateLink interface endpoints.
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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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: An Interface VPC endpoint (AWS PrivateLink) for secretsmanager in your Region — Use an Interface VPC endpoint for AWS Secrets Manager. Interface endpoints (AWS PrivateLink) create private network interfaces inside your VPC that route requests to the Secrets Manager service endpoint in the Region. This allows private-subnet workloads to call Secrets Manager without NAT gateways or public internet egress, aligning with the connectivity and security constraints. Gateway endpoints are not the correct endpoint type for Secrets Manager. NAT gateways introduce internet egress, violating the stated constraint. VPC peering is not designed for accessing AWS managed service APIs like Secrets Manager in the intended private-network way.
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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