Which combination of steps will meet these requirements?

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A company has an application that runs on Amazon EC2 instances.A solutions architect is designing VPC infrastructure in an AWS Region where the application needs to access an Amazon Aurora DB Cluster.The EC2 instances are all associated with the same security group.The DB cluster is associated with its own security group.The solutions architect needs to add rules to the security groups to provide the application with least privilege access to the DB Cluster.

Which combination of steps will meet these requirements?

(Choose two.)

Add an inbound rule to the EC2 instances’ security group. Specify the DB cluster’s security group as the source over the default Aurora port.

Add an outbound rule to the EC2 instances’ security group. Specify the DB cluster’s security group as the destination over the default Aurora port.

Add an inbound rule to the DB cluster’s security group. Specify the EC2 instances’ security group as the source over the default Aurora port.

Add an outbound rule to the DB cluster’s security group. Specify the EC2 instances’ security group as the destination over the default Aurora port.

Add an outbound rule to the DB cluster’s security group. Specify the EC2 instances’ security group as the destination over the ephemeral ports.

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