A company runs many Amazon EC2 instances in its VPC. The company wants to use a native AWS security resource to control network traffic between certain EC2 instances.
Which AWS service or feature will meet this requirement?
The correct answer is D. Security groups. Security groups act as a virtual firewall that controls inbound and outbound traffic for EC2 instances within a subnet1. You can configure rules in security groups to allow only the minimum required network traffic, such as allowing traffic from specific IP address ranges or specific protocols like HTTPS2. If you need to control network traffic between certain EC2 instances, security groups are the appropriate choice.
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