Docker DCA Docker Certified Associate (DCA) Exam Online Training
Docker DCA Online Training
The questions for DCA were last updated at Apr 26,2024.
- Exam Code: DCA
- Exam Name: Docker Certified Associate (DCA) Exam
- Certification Provider: Docker
- Latest update: Apr 26,2024
In the context of a swarm mode cluster, does this describe a node?
Solution: an instance of the Docker engine participating in the swarm
- A . Yes
- B . No
Which one of the following commands will show a list of volumes for a specific container?
- A . ‘docker container logs nginx –volumes’
- B . ‘docker container inspect nginx’
- C . ‘docker volume inspect nginx’
- D . ‘docker volume logs nginx –containers’
Which of the following commands starts a Redis container and configures it to always restart unless it is explicitly stopped or Docker is restarted?
- A . ‘docker run -d –restart-policy unless-stopped redis’
- B . ‘docker run -d –restart omit-stopped redis’
- C . ‘docker run -d –restart unless-stopped redis’
- D . ‘docker run -d –failure omit-stopped redis’
Is this a type of Linux kernel namespace that provides container isolation?
Solution: Authentication
- A . Yes
- B . No
Wha is the purpose of Docker Content Trust?
- A . Signing and verification of image tags
- B . Enabling mutual TLS between the Docker client and server
- C . Docker registry TLS verification and encryption
- D . Indicating an image on Docker Hub is an official image
You are troubleshooting a Kubernetes deployment called api, and want to see the events table for this object. Does this command display it?
Solution: kubectl events deployment api
- A . Yes
- B . No
You configure a local Docker engine to enforce content trust by setting the environment variable DOCKER_CONTENT_TRUST=1.
If myorg/myimage: 1.0 is unsigned, does Docker block this command?
Solution: docker service create myorg/myimage:1.0
- A . Yes
- B . No
Your organization has a centralized logging solution, such as Splunk.
Will this configure a Docker container to export container logs to the logging solution?
Solution: docker logs <container-id>
- A . Yes
- B . No
The Kubernetes yaml shown below describes a clusterIP service.
Is this a correct statement about how this service routes requests?
Solution: Traffic sent to the IP of any pod with the label app: nginx on port 8080 will be forwarded to port 80 in that pod.
- A . Yes
- B . No
You want to create a container that is reachable from its host’s network.
Does this action accomplish this?
Solution: Use –link to access the container on the bridge network.
- A . Yes
- B . No