ITGSS Certified DevOps Engineer Practice Test

What information is crucial to know about images during the deployment phase?

1. Only the size of the images

2. The Dockerfile used for build

3. Components or vulnerabilities associated with the image

4. The public repository from which the image was pulled

The correct answer is: Components or vulnerabilities associated with the image

Understanding the components or vulnerabilities associated with the image is crucial during the deployment phase because it directly impacts the security and reliability of the application being deployed. Knowing the components helps in assessing compatibility with the existing infrastructure, while being aware of potential vulnerabilities allows teams to implement necessary security controls or patching practices before deploying the application. Identifying vulnerabilities is particularly important in today's environment, where security breaches can lead to significant operational, reputational, and financial losses. Deploying an image with known vulnerabilities could expose the system to risks, making it essential to conduct thorough vulnerability assessments as part of the deployment process. While the Dockerfile is essential for understanding how the image was created and for reproducing it if necessary, it does not provide direct information about the image's current state in production. Size may be a consideration for resource allocation and performance but is not as critical as understanding security implications. Knowing the public repository can be helpful for traceability and understanding sources but does not inform about the image's security or operational risks. Therefore, understanding and assessing the components and vulnerabilities of the image is vital for successful and safe deployments.