A. Add a statement to the 1AM role policy to allow the ssm:StartSession action on the instances. Instruct the team to use AWS Systems Manager Session Manager to connect to the instances by using the assumed IAM role.
B. Associate an Elastic IP address and a security group with each instance. Add the engineers’ IP addresses to the security group inbound rules. Add a statement to the IAM role policy to allow the ec2:AuthorizeSecurityGrouplngress action so that the team can connect to the instances.
C. Create a bastion host with an EC2 instance, and associate the bastion host with the VPC. Add a statement to the 1AM role policy to allow the ec2:CreateVpnConnection action on the bastion host. Instruct the team to use the bastion host endpoint to connect to the instances.
D. Create an internet-facing Network Load Balancer. Use two listeners. Forward port 22 to a target group of Linux instances. Forward port 3389 to a target group of Windows instances. Add a statement to the IAM role policy to allow the ec2:CreateRoute action so that the team can connect to the instances.