A company needs to deploy a web application on two Amazon EC2 instances behind an Application Load Balancer (ALB). Two EC2 instances will also be deployed to host the database. The infrastructure needs to be designed across Availability Zones (AZs) for high availability and must limit public access to the instances as much as possible. How should this be achieved within a VPC?

Topic #: - All AWS-SysOps Questions

A. Use two AZs and create a public subnet in each AZ for the Application Load Balancer, a private subnet in each AZ for the web servers, and a private subnet in each AZ for the database servers.
B. Use two AZs and create a public subnet in each AZ for the Application Load Balancer, a public subnet in each AZ for the web servers, and a public subnet in each AZ for the database servers.
C. Use two AZs and create one public subnet for the Application Load Balancer, a private subnet in each AZ for the web servers, and a public subnet in each AZ for the database servers.
D. Use two AZs and create one public subnet for the Application Load Balancer, a public subnet in each AZ for the web servers, and a private subnet in each AZ for the database servers.

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