Q: A company runs a public three-tier web application in a VPC...

Question 731

A company runs a public three-tier web application in a VPC). The application runs on Amazon EC2 instances across multiple Availability Zones. The EC2 instances that run in private subnets need to communicate with a license server over the internet. The company needs a managed solution that minimizes operational maintenance. Which solution meets these requirements?

A. Provision a NAT instance in a public subnet. Modify each private subnet’s route table with a default route that points to the NAT instance.

B. Provision a NAT instance in a private subnet. Modify each private subnet’s route table with a default route that points to the NAT instance.

C. Provision a NAT gateway in a public subnet. Modify each private subnet’s route table with a default route that points to the NAT gateway.

D. Provision a NAT gateway in a private subnet. Modify each private subnet’s route table with a default route that points to the NAT gateway.

Question 731

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