Exam style questions across every DCA domain
Last Update 3 days ago
Total Questions : 191
Start with our free DCA practice questions, carefully crafted to mirror the domains, phrasing, and difficulty of the real Docker Certified Associate exam. Each DCA exam question comes with a detailed rationale that explains not just which answer is correct but why the others fall short. That's how concepts stick. Use the free set to benchmark yourself: identify your Docker weak domains, see where you're losing marks, and build a focused study plan in minutes.
Will this sequence of steps completely delete an image from disk in the Docker Trusted Registry?
Solution: Manually delete all layers used by the image on the disk from the Docker Trusted Registry.
Two development teams in your organization use Kubernetes and want to deploy their applications while ensuring that Kubernetes-specific resources, such as secrets, are grouped together for each application.
Is this a way to accomplish this?
Solution: Add all the resources to the default namespace.
A persistentVolumeClaim (PVC) is created with the specification storageClass: "", and size requirements that cannot be satisfied by any existing persistentVolume.
Is this an action Kubernetes takes in this situation?
Solution: The PVC remains unbound until a persistentVolume that matches all requirements of the PVC becomes available.
Will this sequence of steps completely delete an image from disk in the Docker Trusted Registry?
Solution: Delete the image and delete the image repository from Docker Trusted Registry
Will a DTR security scan detect this?
Solution: known vulnerabilities or exposures in binaries
You want to create a container that is reachable from its host's network.
Does this action accomplish this?
Solution: Use network attach to access the container on the bridge network.
Is this statement correct?
Solution: A Dockerfile provides instructions for building a Docker image
Two development teams in your organization use Kubernetes and want to deploy their applications while ensuring that Kubernetes-specific resources, such as secrets, are grouped together for each application.
Is this a way to accomplish this?
Solution: Create one namespace for each application and add all the resources to it.
Is this a type of Linux kernel namespace that provides container isolation?
Solution.Host
In Docker Trusted Registry, is this how a user can prevent an image, such as 'nginx:latest’, from being overwritten by another user with push access to the repository?
Solution: Tag the image with 'nginx:immutable'.
