Docker Certifica Asociate (DCA) - Julio 2026

Is this a supported user authentication method for Universal Control Plane? Solution: PAM. Yes. No.

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. Yes. No.

Will this sequence of steps completely delete an image from disk in the Docker Trusted Registry? Solution: Delete the image and run garbage collection on the Docker Trusted Registry. A. Yes B. No. Yes. No.

Is this the purpose of Docker Content Trust? Solution: Enable mutual TLS between the Docker client and server. Yes. No.

Is this the purpose of Docker Content Trust? Solution: Verify and encrypt Docker registry TLS. Yes. No.

Is this a Linux kernel namespace that is disabled by default and must be enabled at Docker engine runtime to be used? Solution: mnt. Yes. No.

Is this a Linux kernel namespace that is disabled by default and must be enabled at Docker engine runtime to be used? Solution: net. Yes. No.

Is this a Linux kernel namespace that is disabled by default and must be enabled at Docker engine runtime to be used?. Yes. No.

Is this a way to configure the Docker engine to use a registry without a trusted TLS certificate? Solution: Pass the '--insecure-registry' flag to the daemon at run time. Yes. No.

The Kubernetes yaml shown below describes a networkPolicy. Will the networkPolicy BLOCK this traffic? Solution: a request issued from a pod bearing the tier: backend label, to a pod bearing the tier: frontend label Yes No ANSWER: No.