Docker DCA dumps

Docker DCA Exam Dumps

Docker Certified Associate (DCA) Exam
887 Reviews

Exam Code DCA
Exam Name Docker Certified Associate (DCA) Exam
Questions 191 Questions Answers With Explanation
Update Date August 03, 2026
Price Was : $81 Today : $45 Was : $99 Today : $55 Was : $117 Today : $65

What Is the DCA Certification Exam?

The DCA certification exam is a standardized assessment designed to measure a candidate's knowledge, competencies, and practical understanding within a defined professional field. It serves as the primary requirement for earning the Docker Certified Associate, a credential that represents a recognized level of proficiency in its respective industry. Depending on the field, this may involve theoretical knowledge, applied problem-solving, regulatory understanding, or hands-on procedural competence.

The exam is typically developed and maintained by an accrediting body or professional organization that sets the standards for the Docker Certified Associate. This ensures that anyone who earns the credential has met a consistent benchmark, regardless of where they studied or gained their experience. For many professionals, the DCA Certification Exam represents a formal checkpoint in their career, one that confirms readiness to take on greater responsibility within their chosen field.

Why the Docker Certified Associate Certification Matters?

Certifications like the Docker Certified Associate exist because industries need a reliable way to verify competence beyond a resume or a job title. Earning this credential signals to employers, clients, and colleagues that a professional has invested time in building a structured foundation of knowledge and has been evaluated against an established standard.

Beyond individual recognition, the Docker Certified Associate certification often supports broader professional development. It can influence hiring decisions, contribute to internal advancement, or serve as a prerequisite for more specialized roles within the field. In many industries, certifications also help standardize expectations across organizations, making it easier for professionals to move between employers or sectors while carrying a credential that is widely understood and respected.

Who Should Take the DCA Exam?

The DCA exam is generally relevant to individuals who are either entering a field or looking to formalize skills they have already developed through experience. This can include early-career professionals seeking a credential to support their first steps into the industry, as well as experienced practitioners who want official recognition of knowledge gained on the job.

Students preparing to enter the workforce may also pursue the DCA exam as a way to strengthen their qualifications before graduating or applying for their first roles. In some fields, employers actively encourage or require staff to pursue this certification as part of ongoing professional development, particularly in industries where standards, safety, or compliance play a significant role in daily responsibilities.

Knowledge and Skills Evaluated in the Docker Certified Associate (DCA) Exam

The Docker Certified Associate (DCA) Exam is built to evaluate both foundational knowledge and the practical judgment needed to apply that knowledge in real situations. Candidates are generally expected to understand core principles and terminology relevant to their field, along with the reasoning behind established procedures, standards, or best practices.

Depending on the industry, this may include understanding regulatory requirements, following established protocols, applying analytical or technical methods, or exercising sound judgment in situations that require careful decision-making. Rather than testing isolated facts in a vacuum, the Docker Certified Associate (DCA) Exam tends to reward candidates who can connect concepts to realistic scenarios, reflecting the kind of thinking expected in day-to-day professional practice.

DCA Exam Preparation Resources

Preparing for the DCA certification exam becomes more effective when using high-quality and up-to-date study materials. MyCertsHub provides resources designed to help candidates build knowledge, practice consistently, and become familiar with the actual exam format.

Preparation Features:

  •   191 carefully prepared practice questions
  •   Updated on August 03, 2026
  •   DCA Practice Questions & Answers
  •   Comprehensive Study Guide covering the latest exam objectives
  •   Interactive Practice Test Engine for realistic exam simulation
  •   Printable PDF study material for convenient offline preparation
  •   Free Updates For 3 Months
  •   Money-Back Guarantee according to our Refund Policy

How to Prepare for the DCA Certification Exam?

Effective preparation for the DCA certification exam usually begins with a clear understanding of the exam's objectives and structure. Reviewing official guidelines or documentation published by the certifying body provides the most accurate picture of what will be covered and how heavily different areas are weighted.

From there, many candidates benefit from building a structured study plan that breaks preparation into manageable sections over a set period of time. A well-organized DCA Study Guide can help sequence this material logically, especially for those approaching a topic for the first time. Consistent review, paired with realistic practice, tends to produce better retention than concentrated last-minute studying.

Practical experience, where applicable to the field, also plays an important role in preparation. Working through DCA Practice Questions and a DCA practice test can help candidates identify gaps in their understanding and become familiar with the format and pacing of the actual exam. In fields where hands-on skill is assessed, supplementing study with real-world practice or supervised experience often makes the difference between recognizing correct information and genuinely understanding it.

Benefits of Earning the Docker Certified Associate Certification

Successfully earning the Docker Certified Associate certification offers benefits that extend well beyond passing a single exam. It provides documented proof of competence that can be referenced on a resume, professional profile, or internal performance review, offering a clear, third-party validation of skill and knowledge.

The credential can also strengthen professional credibility when working with clients, patients, stakeholders, or colleagues who may not be positioned to evaluate technical or specialized knowledge directly. Over time, this recognition often contributes to expanded career opportunities, whether through new responsibilities, higher-level roles, or eligibility for additional certifications that build on this foundational credential.

Prepare for the DCA Exam with MyCertsHub

Preparing for the DCA exam is a process that benefits from organized, consistent effort rather than rushed, last-minute review. MyCertsHub is designed to support that process by offering study resources, practice materials, and educational content that help candidates understand what the Docker Certified Associate (DCA) Exam covers and how to approach their preparation thoughtfully.

Whether someone is just beginning to explore the Docker Certified Associate or is in the final stages of reviewing material before their exam date, MyCertsHub aims to serve as a dependable resource throughout that journey. Every candidate's path to certification looks a little different, and the goal remains the same: to provide clear, genuinely useful information that supports real understanding of the subject matter.

Docker DCA Sample Question Answers

Question # 1

You have just executed 'docker swarm leave' on a node. What command can be run on the same node to confirm it has left the cluster?

A. docker node ls
B. docker system info
C. docker system status
D. docker system status



Question # 2

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 system events --filter splunk

A. Yes
B. Yes



Question # 3

Is this a function of UCP? Solution: image role-based access control

A. Yes
B. No



Question # 4

Is this a Linux kernel namespace that is disabled by default and must be enabled at Docker engine runtime to be used? Solution: net

A. Yes
B. No



Question # 5

Which networking drivers allow you to enable multi-host network connectivity between containers? 

A. macvlan, ipvlan, and overlay
B. bridge, user-defined, host
C. bridge, macvlan, ipvlan, overlay
D. host, macvlan, overlay, user-defined



Question # 6

What behavior is expected when a service is created with the following command: 'docker service create --publish 8000:80 nginx' 

A. All nodes in the cluster will listen on port 8080 and forward to port 80 in the container.
B. Only a single node in the cluster will listen on port 8080 and forward to port 80 in the container.
C. All nodes in the cluster will listen on port 80 and forward to port 8080 in the container.
D. Only a single node in the cluster will listen on port 80 and forward to port 8080 in the container.



Question # 7

When an application being managed by UCP fails, you would like a summary of all requests made to the UCP API in the hours leading up to the failure. What must be configured correctly beforehand for this to be possible?

A. UCP audit logs must be set to the metadata' or request' level.
B. UCP logging levels must be set to the info' or debug' level.
C. All engines in the cluster must have their log driver set to the metadata' or request' level.
D. Set the logging level in theconfig object for the ucp-kube-api-server container to warning or higher.



Question # 8

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'



Question # 9

A docker service 'web' is running with a scale factor of 1 (replicas = 1). Bob intends to use the command 'docker service update --replicas=3 web'. Alice intends to use the command 'docker service scale web=3'. How do the outcomes oft these two commands differ?

A. Bob's command results in an error. Alice's command updates the number of replicas of the 'web' service to 3.
B. Bob's command only updates the service definition, but no new replicas are started. Alice's command results in the actual scaling up of the 'web' service.
C. Bob's command updates the number of replicas of the 'web' service to 3. Alice's command results in an error.
D. Both Bob's and Alice's commands result in exactly the same outcome, which is 3 instances of the 'web' service.



Question # 10

Will this action upgrade Docker Engine CE to Docker Engine EE? Solution: Delete '/var/lib/docker' directory. 

A. Yes
B. No



Question # 11

Which of the following commands wifi automatically create a volume when a container is started?

A. 'docker container run --name nginxtest --volumes=/app nginx'
B. 'docker container run --name nginxtest -v /app:mount nginx'
C. 'docker container run --name nginxtest --volumes myvol:/app:new nginx'
D. 'docker container run --name nginxtest -v myvol:/app nginx'



Question # 12

Will this command mount the host's '/data' directory to the ubuntu container in read-only mode? Solution: 'docker run -v /data:/mydata --mode readonly ubuntu'

A. Yes
B. No



Question # 13

How do you change the default logging driver for the docker daemon in Linux?

A. Set the value of log-driver to the name of the logging driver In the daemon.json In /etc/doc
B. Use the -log-driver' flag when you run a container.
C. At the command line, type: docker log driver set <driver name>
D. Install a logging agent on the Linux host.



Question # 14

Will this command list all nodes in a swarm cluster from the command line? Solution: ‘docker Is -a’ 

A. Yes
B. No



Question # 15

You set up an automatic pruning policy on a DTR repository to prune all images using Apache licenses. What effect does this have on images in this repository?

A. Matching images are untagged once they are older than the pruning threshold set in the repository's Settings tab.
B. Matching Images are untagged during the next prune job.
C. Matching images are deleted during the next prune Job.
D. Matching images are untagged during the next prune job, and subsequently deleted once they are older than the pruning threshold set in the repository's Settings tab.



Question # 16

Which of the following is true about using the '-P' option when creating a new container?

A. Docker binds each exposed container port to a random port on all the host's interface
B. Docker gives extended privileges to the container.
C. Docker binds each exposed container port to a random port on a specified host interface
D. Docker binds each exposed container port with the same port on the host



Question # 17

Which of the following commands will create a swarm service which only listens on port 53 using the UDP protocol?

A. docker service create --name dns-cache -p 53:53/udp dns-cache
B. docker service create --name dns-cache -p 53:53 --service udp dns-cache
C. docker service create --name dns-cache -p 53:53 ..constraintnetworking.protocol.udp=true dns-cache 
D. docker service create --name dns-cache -p 53:53 --udp dns-cache



Question # 18

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

A. Yes
B. No



Question # 19

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 the user directly to the list of users with read/write access under the repository's Permissions tab.

A. Yes
B. No



Question # 20

Does this command display all the pods in the cluster that are labeled as 'env: development'? Solution: 'kubectl get pods --all-namespaces -I env=development' 

A. Yes
B. No



Question # 21

Which of the following constitutes a production-ready devicemapper configuration for the Docker engine?

A. Create a volume group in devicemapper and utilize the '--dm.thinpooldev' Docker daemon option, specifying the volume group
B. Format a partition with xfs and mount it at '/var/lib/docker'
C. Utilize the '--storage-opt dm.directlvm_device' Docker daemon option, specifying a block device
D. Nothing, devicemapper comes ready for production usage out of the box



Question # 22

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: Set the log-driver and log-oPt keys to values for the logging solution (Splunk) In the daemon.json file.

A. Yes
B. No



Question # 23

Which one of the following commands will result in the volume being removed automatically once the container has exited?

A. 'docker run --del -v /foo busybox'
B. 'docker run --read-only -v /foo busybox'
C. 'docker run --rm -v /foo busybox'
D. 'docker run --remove -v /foo busybox'



Question # 24

Will this command list all nodes in a swarm cluster from the command line? Solution: 'docker swarm nodes' 

A. Yes
B. No



Question # 25

Some Docker images take time to build through a Continuous Integration environment. You want to speed up builds and take advantage of build caching. Where should the most frequently changed part of a Docker image be placed in a Dockerfile?

A. at the bottom of the Dockerfile
B. after the FROM directive
C. at the top of the Dockerfile
D. in the ENTRYPOINT directive



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