DCA Exam Preparation Material | Docker Certified Associate (DCA) Exam

Explanation:
= Mirroring the engineering/api repository to one of the user’s own private repositories will not grant them read/write access to the original repository. Mirroring is a feature that allows users to automatically sync images from one repository to another, either within the same DTR or across different DTRs. Mirroring does not affect the permissions or roles of the users or teams associated with the source or destination repositories. To grant a user read/write access to the engineering/api repository, the user needs to be added to a team that has the appropriate role for that repository, or the repository needs to be configured with the appropriate visibility and access settings.
Reference: Mirror repositories
Manage access to repositories Manage teams

Explanation:
= Multi-stage builds allow you to use multiple FROM statements in your Dockerfile, each starting a new stage of the build1. This can help you achieve better logical separation of Dockerfile instructions for increased readability, as well as other benefits such as smaller image size, faster build time, and reduced security risks23. By separating your Dockerfile into different stages, you can organize your instructions by their purpose, such as building, testing, or deploying your application. You can also copy only the artifacts you need from one stage to another, leaving behind the unnecessary dependencies or tools1. This can make your Dockerfile easier to read and maintain, as well as improve the performance and security of your final image.
Reference: Multi-stage builds | Docker Docs
What Are Multi-Stage Docker Builds? - How-To Geek Multi-stage | Docker Docs

Explanation:
Yes, thedocker portcommand can be used to identify the published ports for a running container. It shows the mapping between the host ports and the container’s exposed ports. Thedocker network inspectcommand can also provide information about the network settings of the container, including port mappings. However, it’s important to note thatdocker network inspectrequires the network’s name or ID as an argument, not the container’s. Therefore, to get the network details of a specific container, you would first need to identify the network the container is connected to. These commands, when used appropriately, can help you identify the published ports for a container.