- A
Jenkins
Why wrong: Incorrect. Jenkins uses Jenkinsfile, not .github/workflows.
- B
CircleCI
Why wrong: Incorrect. CircleCI uses .circleci/config.yml.
- C
GitHub Actions
Correct. GitHub Actions workflows are defined in .github/workflows.
- D
GitLab CI
Why wrong: Incorrect. GitLab CI uses .gitlab-ci.yml at the root.
Question 731 of 1,000
200-901 Application Deployment and Security Practice Question
This 200-901 practice question tests your understanding of application deployment and security. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A developer commits code to a GitHub repository and wants automated tests to run, followed by building a Docker image and pushing it to Docker Hub only if tests pass. Which CI/CD tool can be configured using a YAML file placed in the .github/workflows directory?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
GitHub Actions
GitHub Actions is the only CI/CD tool among the options that uses a YAML workflow file placed in the `.github/workflows` directory within the repository. This allows developers to define automated triggers (e.g., on push) to run tests, build a Docker image, and push it to Docker Hub only if tests pass, all natively integrated with GitHub.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Jenkins
Why it's wrong here
Incorrect. Jenkins uses Jenkinsfile, not .github/workflows.
- ✗
CircleCI
Why it's wrong here
Incorrect. CircleCI uses .circleci/config.yml.
- ✓
GitHub Actions
Why this is correct
Correct. GitHub Actions workflows are defined in .github/workflows.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
GitLab CI
Why it's wrong here
Incorrect. GitLab CI uses .gitlab-ci.yml at the root.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse the directory structure for different CI/CD tools (e.g., `.circleci/config.yml` for CircleCI or `.gitlab-ci.yml` for GitLab CI) and incorrectly assume any YAML-based CI tool can use the `.github/workflows` path, which is exclusive to GitHub Actions.
Detailed technical explanation
How to think about this question
GitHub Actions workflows are event-driven, using YAML syntax to define jobs that run on GitHub-hosted runners or self-hosted runners. The `push` event triggers the workflow, and conditional steps (e.g., `if: success()`) ensure the Docker build and push only execute after tests pass, leveraging GitHub's OIDC tokens for secure Docker Hub authentication via secrets like `DOCKER_USERNAME` and `DOCKER_PASSWORD`.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 200-901 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Application Deployment and Security — study guide chapter
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FAQ
Questions learners often ask
What does this 200-901 question test?
Application Deployment and Security — This question tests Application Deployment and Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: GitHub Actions — GitHub Actions is the only CI/CD tool among the options that uses a YAML workflow file placed in the `.github/workflows` directory within the repository. This allows developers to define automated triggers (e.g., on push) to run tests, build a Docker image, and push it to Docker Hub only if tests pass, all natively integrated with GitHub.
What should I do if I get this 200-901 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jul 4, 2026
This 200-901 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 200-901 exam.
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