Answer: Monitor the health of an Availability Zone, Protect the infrastructure that runs Amazon EC2 instances

## Explanation In the AWS shared responsibility model: **AWS Responsibility (Security OF the Cloud):** - **Monitor the health of an Availability Zone** - AWS is responsible for the physical infrastructure and availability of AWS services - **Protect the infrastructure that runs Amazon EC2 instances** - AWS manages the underlying hardware, networking, and facilities **Customer Responsibility (Security IN the Cloud):** - **Patch an Amazon EC2 instance operating system** - Customer is responsible for patching guest operating systems and applications - **Configure a security group** - Customer manages security group configurations and network access controls - **Manage access to the data in an Amazon S3 bucket** - Customer controls data access permissions and encryption settings This division ensures AWS handles the security of the cloud infrastructure, while customers manage security within their cloud environment.

Author: Ritesh Yadav