Question

An Amazon VPC contains several Amazon EC2 instances. The instances need to make API calls to Amazon DynamoDB. A solutions architect needs to ensure that the API calls do not traverse the internet.

How can this be accomplished?

Answer 1

To ensure EC2 instances in an Amazon VPC can make API calls to DynamoDB without traversing the internet, create an Amazon VPC endpoint for DynamoDB, configure security group rules, and assign IAM roles and permissions.

Step-by-step explanation:

To ensure that the Amazon EC2 instances in an Amazon VPC can make API calls to Amazon DynamoDB without traversing the internet, you can use a combination of the following:

• Create an Amazon VPC endpoint for DynamoDB within your VPC. This allows the instances to directly access DynamoDB without going over the internet.
• Configure the security group rules attached to the instances to allow outbound traffic to the VPC endpoint for DynamoDB.
• Ensure that the instances have the necessary IAM roles and permissions to make API calls to DynamoDB.

By following these steps, you can securely and efficiently make API calls between your Amazon EC2 instances and Amazon DynamoDB within the VPC environment.