ITGSS Certified DevOps Engineer Practice Test

What is the purpose of using a private image registry in a container pipeline?

1. To increase access to all publicly available images

2. To store only approved and secure container images

3. To create a backup of all images

4. To speed up the image download process

The correct answer is: To store only approved and secure container images

Using a private image registry in a container pipeline fundamentally revolves around the security and management of container images. The primary purpose of a private registry is to store only approved and secure container images. This practice ensures that organizations maintain control over their image inventory, allowing them to vet images for vulnerabilities, compliance, and licensing before they are used in production environments. By keeping images in a private registry, teams can enforce security policies and ensure that only images meeting their standards are deployed. This minimizes the risk of using untrusted or malicious images that could compromise application security. Furthermore, a private registry often supports additional features like access controls and auditing, which are essential for maintaining a secure pipeline. Options regarding public access, backup processes, or speeding up downloads address different aspects of image management but do not capture the essence of why organizations choose a private registry primarily. Public registries might expose images to various threats, backups are relevant but secondary to the original purpose, and while a private registry might help with download speeds, it isn't the primary reason for its use.