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How can a company secure its web application hosted on EC2 instances within a private VPC subnet, ensuring that only an Application Load Balancer in the public subnet can send inbound traffic to these instances?
A
Set up a route in the route table for internet traffic to reach the EC2 instances' private IPs.
B
Adjust EC2 security groups to permit traffic exclusively from the ALB's security group.
C
Relocate EC2 instances to a public subnet and assign them Elastic IPs.
D
Modify the ALB's security group to accept all TCP traffic on any port.
