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A developer in your team has set up a classic 3 tier architecture composed of an Application Load Balancer, an Auto Scaling group managing a fleet of EC2 instances, and an Aurora database. As a Solutions Architect, you would like to adhere to the security pillar of the well-architected framework.How do you configure the security group of the Aurora database to only allow traffic coming from the EC2 instances?Add a rule authorizing the Aurora security groupAdd a rule authorizing the ASG's subnets CIDRAdd a rule authorizing the ELB security groupAdd a rule authorizing the EC2 security group
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