AWS Certified Advanced Networking Specialty Practice Exam

What should a network engineer configure next after setting up AWS Direct Connect with a private VIF to allow on-premises access to an S3 bucket?

1. Configure an S3 interface endpoint in the VPC

2. Set up a public VIF for better access speed

3. Implement VPC peering

4. Establish a transit gateway

The correct answer is: Configure an S3 interface endpoint in the VPC

Configuring an S3 interface endpoint in the VPC is essential after setting up AWS Direct Connect with a private virtual interface (VIF) to facilitate on-premises access to an S3 bucket. When utilizing Direct Connect, a private VIF connects an on-premises network directly to a virtual private cloud (VPC). However, Amazon S3 is a service that often requires specific access configurations to function correctly with such setups. By creating an S3 interface endpoint within the VPC, you enable your on-premises resources to connect to the S3 service without needing to traverse the public internet. This endpoint also allows for private access to S3, improving the security and performance of data transfers compared to accessing S3 publicly. The interface endpoint effectively establishes a direct connection to S3 using the AWS network, ensuring that your data remains within the AWS infrastructure and adheres to desired network policies and security measures. This is particularly crucial for organizations that prioritize data integrity and confidentiality when transferring data to and from S3 buckets. Therefore, configuring the S3 interface endpoint is the crucial next step in establishing a seamless, secure, and efficient connection for accessing S3 buckets over the AWS Direct Connect setup.