An HTTP Web Application Is Launched on Amazon EC2 Instances

question 839

Multiple Choice

An HTTP web application is launched on Amazon EC2 instances behind an ELB Application Load Balancer. The EC2 instances run across multiple Availability Zones. A network ACL and a security group for the load balancer and EC2 instances allow inbound traffic on port 80. After launch, the website cannot be reached over the internet. What additional step should be taken?

• A) Add a rule to the security group allowing outbound traffic on port 80.
• B) Add a rule to the network ACL allowing outbound traffic on port 80.
• C) Add a rule to the security group allowing outbound traffic on ports 1024 through 65535.
• D) Add a rule to the network ACL allowing outbound traffic on ports 1024 through 65535.

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