Understand the AWS responsibilities when hosting a web application in a Docker container on Amazon EC2. Learn how the AWS Shared Responsibility Model applies to infrastructure management. When hosting a web application in a Docker container on Amazon EC2, AWS operates under the Shared Responsibility Model. This model divides responsibilities between AWS and the customer. Specifically, AWS is responsible for maintaining the underlying infrastructure, while customers manage their applications and configurations.
Table of Contents
Question
A company is hosting a web application in a Docker container on Amazon EC2. AWS is responsible for which of the following tasks?
A. Scaling the web application and services developed with Docker
B. Provisioning or scheduling containers to run on clusters and maintaining their availability
C. Performing hardware maintenance in AWS facilities that run the AWS Cloud
D. Managing the guest operating system, including updates and security patches
Answer
C. Performing hardware maintenance in AWS facilities that run the AWS Cloud
Explanation
It is part of the shared responsibility model, where AWS is responsible for the security of the cloud and the customer is responsible for security in the cloud. AWS is also responsible for the global infrastructure that runs all the services offered in the AWS Cloud.
AWS Responsibilities (Security of the Cloud)
AWS manages and maintains the physical infrastructure, including hardware, networking, and facilities that support its cloud services.
This includes tasks like performing hardware maintenance in data centers, ensuring physical security, and managing the virtualization layer.
Customer Responsibilities (Security in the Cloud)
Customers are responsible for managing their applications and data, including scaling their applications, configuring containers, and maintaining the guest operating system.
For EC2 instances, customers must handle tasks such as OS updates, security patches, and application configurations.
Why Other Options Are Incorrect
A. Scaling the web application and services developed with Docker: Customers must configure auto-scaling or manually scale their applications on EC2 instances. AWS provides tools like Auto Scaling Groups but does not manage application scaling directly.
B. Provisioning or scheduling containers to run on clusters and maintaining their availability: This responsibility falls to the customer unless they use managed services like Amazon ECS or EKS. On EC2, customers must provision and manage their own containers.
D. Managing the guest operating system, including updates and security patches: Customers are responsible for maintaining the guest OS on EC2 instances as part of their role in managing “Security in the Cloud”.
AWS ensures that its infrastructure is secure and operational (e.g., hardware maintenance), while customers retain control over their applications, data, and configurations on EC2 instances.
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