An application runs on Amazon EC2 instances in private subnets. The application needs to access an Amazon DynamoDB table. What is the MOST secure way to access the table while ensuring that the traffic does not leave the AWS network?
A VPC endpoint for DynamoDB enables Amazon EC2 instances in your VPC to use their private IP addresses to access DynamoDB with no exposure to the public internet. Your EC2 instances do not require public IP addresses, and you don't need an internet gateway, a NAT device, or a virtual private gateway in your VPC. You use endpoint policies to control access to DynamoDB. Traffic between your VPC and the AWS service does not leave the Amazon network.
A VPC endpoint for DynamoDB enables Amazon EC2 instances in your VPC to use their private IP addresses to access DynamoDB with no exposure to the public internet. Your EC2 instances do not require public IP addresses, and you don't need an internet gateway, a NAT device, or a virtual private gateway in your VPC. You use endpoint policies to control access to DynamoDB. Traffic between your VPC and the AWS service does not leave the Amazon network. https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/vpc-endpoints-dynamodb.html
A VPC endpoint for DynamoDB enables Amazon EC2 instances in your VPC to use their private IP addresses to access DynamoDB with no exposure to the public internet
Explanantion
VPC Enpoint
An Interface endpoint uses AWS PrivateLink and is an elastic network interface (ENI) with a private IP
address that serves as an entry point for traffic destined to a supported service.
Using PrivateLink you can connect your VPC to supported AWS services, services hosted by other
AWS accounts (VPC endpoint services), and supported AWS Marketplace partner services.
AWS PrivateLink access over Inter-Region VPC Peering.
Answer A
Key takeaways:
1. application runs on Amazon EC2 instances in private subnets
2. secure way to access the DynamoDB table while ensuring that the traffic does not leave the AWS network
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