Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
You have EC2 instances in private subnets with no NAT gateway. They must retrieve secrets from AWS Secrets Manager without sending traffic to the public internet. Which VPC endpoint type is the correct choice for connecting to 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
Distractor review
Create a Gateway VPC endpoint for Secrets Manager.
Gateway endpoints are supported for specific services such as Amazon S3 and DynamoDB, not for Secrets Manager.
B
Best answer
Create an Interface VPC endpoint (AWS PrivateLink) for Secrets Manager and associate security groups for the endpoint.
Secrets Manager is reached via an Interface VPC endpoint. Interface endpoints create private network interfaces in your subnets and route traffic to the AWS service over the AWS network, avoiding public internet egress.
C
Distractor review
Use a Transit Gateway attachment to route traffic to the public internet for Secrets Manager.
Transit Gateway does not eliminate the need for a private connection. Routing to the public internet violates the requirement to avoid public internet egress.
D
Distractor review
Deploy a NAT gateway and allow outbound HTTPS traffic to Secrets Manager.
NAT gateways send outbound traffic through the public internet pathway. The requirement is to avoid public internet egress, so NAT does not meet it.
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: Create an Interface VPC endpoint (AWS PrivateLink) for Secrets Manager and associate security groups for the endpoint. — The correct solution is to use an Interface VPC endpoint (AWS PrivateLink) for AWS Secrets Manager. Interface endpoints create network interfaces in your VPC subnets and connect to the Secrets Manager service over AWS’s private network infrastructure. This allows private subnet workloads to access Secrets Manager without NAT gateways and without sending traffic to the public internet. Gateway endpoints are not the correct endpoint mechanism for Secrets Manager, and using NAT or public routing contradicts the stated constraints. Option A is wrong because Gateway endpoints are not used for Secrets Manager. Option C is wrong because Transit Gateway routing alone does not provide private service connectivity; it can still involve public internet paths. Option D is wrong because NAT gateways directly contradict the “no public internet egress” requirement.
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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