SAA-C03 · Question #456
A company has a VPC with multiple private subnets that host multiple applications. The applications must not be accessible to the internet. However, the applications need to access multiple AWS…
The correct answer is A. Configure interface VPC endpoints for the required AWS services. Route traffic from the private. AWS VPC endpoints (interface and gateway) allow private connectivity from VPC resources to AWS services without requiring public IP addresses or internet gateways. This ensures applications remain isolated in private subnets while securely accessing AWS services. NAT gateways…
Question
A company has a VPC with multiple private subnets that host multiple applications. The applications must not be accessible to the internet. However, the applications need to access multiple AWS services. The applications must not use public IP addresses to access the AWS services. Which solution will meet these requirements MOST cost-effectively?
Options
- AConfigure interface VPC endpoints for the required AWS services. Route traffic from the private
- BDeploy a NAT gateway in each private subnet. Route traffic from the private subnets through the
- CDeploy internet gateways in each private subnet. Route traffic from the private subnets through
- DSet up an AWS Direct Connect connection between the private subnets. Route traffic from the
How the community answered
(55 responses)- A73% (40)
- B4% (2)
- C9% (5)
- D15% (8)
Explanation
AWS VPC endpoints (interface and gateway) allow private connectivity from VPC resources to AWS services without requiring public IP addresses or internet gateways. This ensures applications remain isolated in private subnets while securely accessing AWS services. NAT gateways (B) would allow internet access, which does not meet the security requirement. Internet gateways (C) directly expose traffic to the internet, which violates the isolation requirement. Direct Connect (D) connects on- premises environments to AWS but does not provide service access from private subnets. Therefore, option A - using interface VPC endpoints - is the correct solution.
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