Exam FCP_WCS_AD-7.4 topic 1 question 20 discussion

A. Update software on the instance. You are responsible for maintaining the operating system and ensuring that the software running on your EC2 instance is up-to-date with the latest security patches and updates. C. Configure security groups. As part of the shared responsibility model, you are responsible for configuring the security groups attached to your EC2 instance to control inbound and outbound traffic. D. Manage the operating system on the instance. Managing the operating system, including security settings, access control, and configurations, is your responsibility under the shared responsibility model. The other options are incorrect: B: Changing an ELB to a gateway load balancer is not required for securing an EC2 instance. E: Moving all web servers into the same availability zone is not necessary, and in fact, for high availability, it’s best to deploy instances across multiple availability zones. These actions fall under the customer’s responsibility in the shared responsibility model, while AWS is responsible for the underlying infrastructure

A,C,D are correct, study guide 7.4 page 13