Try Docker : DCA valid & accurate questions and answers

Last Updated: Nov 01, 2026

No. of Questions: 189 Questions & Answers with Testing Engine

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Docker DCA Practice Q&A's

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Repeated practice under a real clock is what consolidates knowledge into reflexes. The Exams-boost test engine for the DCA exam recreates the genuine testing environment, lets you practice the same question sets repeatedly until they stick, and runs offline — walk into your 2026 Docker Certified Associate (DCA) already rehearsed.

Docker DCA Exam Syllabus Topics:

SectionWeightObjectives
Installation and Configuration15%- Configure daemon options, logging, and storage drivers
- Install Docker Engine on Linux, Windows, and macOS
- Set up Docker Enterprise components
Security15%- Secure daemon and API communication
- Apply security profiles and capabilities
- Scan images for vulnerabilities
- Manage user access and roles
Orchestration25%- Deploy and manage Swarm clusters
- Perform rolling updates and rollbacks
- Create and manage services, stacks, secrets, and configurations
Networking15%- Understand bridge, overlay, and macvlan networks
- Secure and troubleshoot container networking
- Expose ports, publish services, and manage DNS
Images and Registry20%- Manage image layers, tagging, and versioning
- Write efficient Dockerfiles, multi-stage builds
- Work with Docker Hub and private registries
- Sign and verify images with Docker Content Trust
Storage10%- Configure persistent storage and data management
- Backup, restore, and migrate data
- Use volumes, bind mounts, and tmpfs

DCA Exam FAQs: Clear Answers, No Fluff

Registration for the Docker Certified Associate (DCA) goes through the official channels listed here:

One detail worth knowing before you book: the DCA exam is delivered Online proctored or onsite testing via Pearson VUE.

Yes — the free trial exists so customers can fully understand the system before buying. Download the sample DCA practice questions at no cost, explore the interface, and check the verified answers yourself. Once you purchase, 365 days of free updates are included, and if the product expires, the update service renews at a 50% discount from your member zone.

The Docker Certified Associate (DCA) blueprint is organized into 6 domains, led by Orchestration (25%), Installation and Configuration (15%), and Storage (10%). The complete weighted syllabus appears above on this page — it is the checklist your preparation should be measured against.

You will face 55 questions within 90 minutes on the DCA exam. The real exam pressure comes from that ratio — knowledge alone does not finish exams on time. Rehearse with the Exams-boost test engine's timed mode, repeat the same question sets until the answers consolidate, and pacing stops being a risk factor.

No mandatory prerequisites; recommended 6–12 months hands-on experience with Docker

Eligibility rules do get revised, so before booking, verify the current requirements on the official Docker exam page.

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Docker lists these training resources for the Docker Certified Associate (DCA):

Courses build the framework; repeated practice consolidates it. Pair whichever resource you choose with 189 practice questions from Exams-boost and important knowledge points stay learned, not just seen.

The DCA exam — full title Docker Certified Associate (DCA) Exam — is Docker's own certification test, and passing it awards the Docker Certified Associate (DCA) certification at the Associate level. The certificate is valuable precisely because it is demanding: it proves to employers that your skills survived a vendor-built examination.

The passing score is 65%, and the official registration fee is $199 USD. Note that the fee pays for a single attempt — a retake is charged at full price again, which is the expensive way to discover weak spots. The cheaper discovery method is self-testing: drill 189 practice questions at Exams-boost in timed mode until your scores clear the passing mark with room to spare, then register.

Docker Certified Associate (DCA) Sample Questions:

Question #1

Will a DTR security scan detect this?
Solution: licenses for known third party binary components

  • A. Yes
  • B. No
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #2

You are pulling images from a Docker Trusted Registry installation
configured to use self-signed certificates, and this error appears:
`x509: certificate signed by unknown authority.
You already downloaded the Docker Trusted Registry certificate authority certificate from https://dtr.example.com/ca.
How do you trust it? (Select two.)

  • A. Place the certificate in '/etc/docker/dtr/dtr.example.com.crt' and restart theDocker daemon on all cluster nodes.
  • B. Place the certificate in your OS certificate path, trust the certificate system-wide, and restart the Docker daemon across all cluster nodes.
  • C. Pass -- insecure-registry to the Docker client.
  • D. Place the certificate in /etc/docker/certs.d/dtr.example.com/ca.crt' on allcluster nodes.
  • E. Pass '-trust-certificate ca.crt to the Docker client.
Reveal Solution  Discussion  0

Correct Answer: B,D  🗳️

Explanation: Only visible for Exams-boost members. You can sign-up / login (it's free).

Question #3

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: Kubernetes returns an error indicating that the PVC could not be bound with the current resources.

  • A. Yes
  • B. No
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #4

Does this command display all the pods in the cluster that are labeled as env; development'?
Solution. 'kubectl gel pods --all-namespaces -I 'env in (development)''

  • A. Yes
  • B. No
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for Exams-boost members. You can sign-up / login (it's free).

Question #5

You created a new service named 'http' and discover it is not registering as healthy. Will this command enable you to view the list of historical tasks for this service?
Solution:'docker inspect http'

  • A. Yes
  • B. No
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for Exams-boost members. You can sign-up / login (it's free).

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