A data analytics workload runs on Amazon EC2 instances and reads massive datasets from Amazon S3. The instances are currently in a public subnet. The architect notices high data transfer costs and suboptimal read performance. Which TWO actions will improve performance AND reduce costs? (Select TWO)

Answer options:

Create a VPC Gateway Endpoint for Amazon S3.

Enable S3 Transfer Acceleration.

Move the EC2 instances to a different region.

Ensure the EC2 instances and the S3 bucket are in the same AWS Region.

Use AWS Direct Connect to access S3.

Enable S3 Object Lock.

How to approach this question

Identify actions that keep traffic local to the AWS network and region.

Full Answer

A, D

Keeping the EC2 instances and S3 bucket in the same region eliminates cross-region data transfer costs and reduces latency. Using a VPC Gateway Endpoint routes traffic over the AWS private network, avoiding NAT Gateway charges and improving performance.

Common mistakes

Selecting Transfer Acceleration for internal AWS traffic.

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