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Question 711 - SAA-C03 discussion

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A company has an application that runs on Amazon EC2 instances in a private subnet The application needs to process sensitive information from an Amazon S3 bucket The application must not use the internet to connect to the S3 bucket.

Which solution will meet these requirements?

A.
Configure an internet gateway. Update the S3 bucket policy to allow access from the internet gateway Update the application to use the new internet gateway
Answers
A.
Configure an internet gateway. Update the S3 bucket policy to allow access from the internet gateway Update the application to use the new internet gateway
B.
Configure a VPN connection. Update the S3 bucket policy to allow access from the VPN connection. Update the application to use the new VPN connection.
Answers
B.
Configure a VPN connection. Update the S3 bucket policy to allow access from the VPN connection. Update the application to use the new VPN connection.
C.
Configure a NAT gateway. Update the S3 bucket policy to allow access from the NAT gateway. Update the application to use the new NAT gateway.
Answers
C.
Configure a NAT gateway. Update the S3 bucket policy to allow access from the NAT gateway. Update the application to use the new NAT gateway.
D.
Configure a VPC endpoint. Update the S3 bucket policy to allow access from the VPC endpoint. Update the application to use the new VPC endpoint.
Answers
D.
Configure a VPC endpoint. Update the S3 bucket policy to allow access from the VPC endpoint. Update the application to use the new VPC endpoint.
Suggested answer: D

Explanation:

Understanding the Requirement: The application running on EC2 instances in a private subnet needs to process sensitive information from an S3 bucket without using the internet.

Analysis of Options:

Internet Gateway: This would expose the application to the internet, which is not suitable for accessing sensitive information securely.

VPN Connection: VPN is primarily used for secure connections between on-premises networks and AWS VPCs, not for direct S3 access within the same VPC.

NAT Gateway: This allows instances in a private subnet to connect to the internet, but the goal is to avoid internet access.

VPC Endpoint: Provides a private connection between the VPC and S3 without using the internet, ensuring secure access to the S3 bucket.

Best Solution:

VPC Endpoint: Configuring a VPC endpoint allows secure, private communication between the EC2 instances and the S3 bucket without using the internet, ensuring data security and compliance.

Amazon VPC Endpoints

Amazon S3 VPC Endpoint

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asked 16/09/2024
Tiago Carvalho
47 questions
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