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Docker DCA Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Installation and Configuration	15%	- Set up Docker Enterprise components - Install Docker Engine on Linux, Windows, and macOS - Configure daemon options, logging, and storage drivers
Topic 2: Orchestration	25%	- Perform rolling updates and rollbacks - Deploy and manage Swarm clusters - Create and manage services, stacks, secrets, and configurations
Topic 3: Images and Registry	20%	- Write efficient Dockerfiles, multi-stage builds - Work with Docker Hub and private registries - Sign and verify images with Docker Content Trust - Manage image layers, tagging, and versioning
Topic 4: Storage	10%	- Configure persistent storage and data management - Use volumes, bind mounts, and tmpfs - Backup, restore, and migrate data
Topic 5: Networking	15%	- Expose ports, publish services, and manage DNS - Understand bridge, overlay, and macvlan networks - Secure and troubleshoot container networking
Topic 6: Security	15%	- Secure daemon and API communication - Manage user access and roles - Scan images for vulnerabilities - Apply security profiles and capabilities

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Docker Certified Associate (DCA) Exam Sample Questions (Q38-Q43):

NEW QUESTION # 38
Is this the purpose of Docker Content Trust?
Solution: Verify and encrypt Docker registry TLS.

A. No
B. Yes

Answer: B

NEW QUESTION # 39
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

Answer: B

Explanation:
Explanation
The statement is incorrect because it does not mention the service name or the clusterIP address. Traffic sent to the IP of any pod with the label app: nginx on port 8080 will not be forwarded to port 80 in that pod, unless the traffic is coming from another pod within the same cluster that knows the pod IP. To access the service from outside the cluster, the traffic must be sent to the clusterIP address of the service, which is assigned by Kubernetes, and the port 8080 of the service, which is defined in the yaml file. The service will then forward the traffic to one of the selected pods on port 80.
To summarize, the correct statement should be:
Traffic sent to the clusterIP address of the service dca on port 8080 will be forwarded to port 80 in one of the pods with the label app: nginx.

NEW QUESTION # 40
You add a new user to the engineering organization in DTR.
Will this action grant them read/write access to the engineering/api repository?
Solution: Add them to a team in the engineering organization that has read/write access to the engineering/api repository.

A. No
B. Yes

Answer: B

Explanation:
Explanation
This action will grant them read/write access to the engineering/api repository, because adding them to a team in the engineering organization that has read/write access to the engineering/api repository is another way to grant permissions to a user in DTR. According to the official documentation, this is an example of using teams and organizations for managing permissions.
References: https://docs.docker.com/ee/dtr/user/manage-repos/permission-levels/

NEW QUESTION # 41
What is the difference between the ADD and COPY dockerfile instructions? (choosen 2)

A. ADD support remote URL handling while COPY does not.
B. ADD supports regular expression handling while COPY does not.
C. COPY supports regular expression handling while ADD does not.
D. COPY supports compression format handling while ADD does not.
E. ADD supports compression format handling while COPY does not.

Answer: A,B

NEW QUESTION # 42
Which statement is correct about cluster management in Docker Enterprise Edition 3.x?

A. Clusters can contain Linux only.
B. Clusters can contain Linux, Windows Server 2016 and 2019, and Linux on IBM z Systems.
C. Clusters can contain Linux and Windows Server 2008 R2 only.
D. Clusters can contain Windows 10 and Windows Server 2016 only.

Answer: B

NEW QUESTION # 43
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