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Microsoft GH-200 Exam Overview:

Certification Vendor:	Microsoft / GitHub
Exam Name:	GitHub Actions Exam
Exam Number:	GH-200
Exam Format:	Scenario-based questions, Multiple choice, Multiple response
Exam Duration:	120 minutes
Related Certifications:	GitHub Foundations GitHub Copilot GitHub Advanced Security
Available Languages:	English
Recommended Training:	Microsoft Learn: GitHub Actions learning paths GitHub Skills - Actions courses
Exam Registration:	GH-200 Study Guide Microsoft Learn Certification Page
Sample Questions:	Microsoft GH-200 Sample Questions
Exam Way:	Online proctored (Pearson VUE / Microsoft Learn credentialing system)
Pre Condition:	Recommended: intermediate experience with GitHub, CI/CD, and GitHub Actions workflows; familiarity with YAML and DevOps concepts
Official Syllabus URL:	https://learn.microsoft.com/en-us/credentials/certifications/resources/study-guides/gh-200

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Microsoft GH-200 Exam Syllabus Topics:

Topic	Details
Topic 1	Consume Workflows: This domain targets Software Developers and Quality Assurance Engineers and focuses on interpreting workflow runs and their outcomes. It covers identifying triggering events, reading workflow configurations, troubleshooting failures by analyzing logs, enabling debug logging, managing environment variables, caching dependencies, and passing data between jobs. Candidates also manage workflow runs, artifacts, approvals, and status badges, as well as locating workflows within repositories and leveraging organizational templated workflows.
Topic 2	Author and Maintain Workflows: This section of the exam measures skills of DevOps Engineers and Automation Specialists and covers building and managing workflows triggered by events such as pushes, scheduled times, manual triggers, and webhooks. It includes understanding workflow components like jobs, steps, actions, and runners, syntax correctness, environment variables, secrets management, and dependencies between jobs. Candidates will also demonstrate practical abilities to create workflows for various purposes, including publishing packages, using service containers, routing jobs, and deploying releases to cloud providers.
Topic 3	Author and Maintain Actions: This domain evaluates the abilities of Action Developers and Automation Engineers to select and create suitable types of GitHub Actions, such as JavaScript, Docker containers, or run steps. It emphasizes troubleshooting action code, understanding the components and file structures of actions, and using workflow commands within actions to communicate with runners, including exit code management.
Topic 4	Manage GitHub Actions in the Enterprise: This section measures the expertise of Enterprise Administrators and Platform Engineers in distributing and managing GitHub Actions and workflows at the organizational level. It includes reuse and sharing of templates, strategies for managing reusable components via repositories and naming conventions, controlling access to actions, setting organization-wide usage policies, and planning maintenance to ensure efficient enterprise-wide deployment of GitHub Actions.

Microsoft GitHub Actions Sample Questions (Q86-Q91):

NEW QUESTION # 86
You are a DevOps engineer working on a custom action. You want to conditionally run a script at the start of the action, before the main entrypoint. Which code block should be used to define the metadata file for your custom action?

A. runs:
using: ' node16 '
pre-if: github.event_name == ' push ' then ' start.js '
main: ' index.js '
B. runs:
using: ' node16 '
start: ' start.js '
start-if: github.event_name == ' push '
main: ' index.js '
C. runs:
using: ' node16 '
pre: ' start.js '
pre-if: github.event_name == ' push '
main: ' index.js '
D. runs:
using: ' node16 '
before: ' start.js '
before-if: github.event_name == ' push '
main: ' index.js '

Answer: C

Explanation:
For JavaScript custom actions, the metadata file supports lifecycle scripts through the runs section. The correct key for a script that runs before the main action entrypoint is pre, and the correct conditional key for controlling whether that pre-script runs is pre-if. Therefore, option B is the only valid metadata structure.
GitHub Actions does not use start, start-if, before, or before-if as action metadata keys. Option C is also invalid because pre-if only defines a condition; it cannot contain both a condition and a script reference in one line. In GitHub Actions exam terms, this tests custom action metadata, JavaScript action lifecycle hooks, and conditional execution before the main action logic.

NEW QUESTION # 87
As a developer, how can you identify a JavaScript action on GitHub?

A. The action.yml metadata file references a package.json file.
B. The action's repository name includes the keyword "JavaScript."
C. The action ' s repository includes a js.yml file in the .github/workflows directory.
D. The action.yml metadata file has the runs.using value set to node16.

Answer: D

Explanation:
A JavaScript action is identified in its action metadata file by the runs.using runtime value. In older exam- style content, this is commonly shown as node16; in current GitHub documentation, supported JavaScript runtimes have moved forward, but the principle remains the same: JavaScript actions declare a Node.js runtime under runs.using and specify the main JavaScript file under runs.main. Option A is not reliable because a repository can contain package.json without being a JavaScript action. Option B is unrelated because workflow files do not define the action type. Option C is naming-based and has no technical meaning. GitHub metadata syntax defines runs.using as the runtime for JavaScript actions.

NEW QUESTION # 88
In the following workflow file, line 5 interprets lines 3 and 4 as Python. Which of the following is a valid option to complete line 5?
1 steps:
2 - run: |
3 import os
4 print(os.environ['PATH'])
5

A. shell: bash
B. shell: python
C. working-directory: .github/python
D. with: python

Answer: B

Explanation:
Workflow syntax for GitHub Actions
Example: Running an inline Python script
steps:
- name: Display the path
shell: python
run: |
import os
print(os.environ['PATH'])
Reference:
https://docs.github.com/en/actions/reference/workflows-and-actions/workflow-syntax

NEW QUESTION # 89
As a DevOps engineer, you are developing workflows to build an application. You have a requirement to create the build targeting multiple node versions. Which code block should you use to define the workflow?

A. jobs:
build-app:
matrix-strategy:
node-ver: [10, 12, 14]
steps:
- uses: actions/setup-node@v3
with:
node-version: ${{ matrix-strategy.node-ver }}
B. jobs:
build-app:
strategy:
matrix:
node-ver: [10, 12, 14]
steps:
- uses: actions/setup-node@v3
with:
node-version: ${{ matrix.node-ver }}
C. jobs:
build-app:
matrix:
strategy:
node-ver: [10, 12, 14]
steps:
- uses: actions/setup-node@v3
with:
node-version: ${{ matrix.node-ver }}
D. jobs:
build-app:
strategy:
matrix:
node-ver: [10, 12, 14]
steps:
- uses: actions/setup-node@v3
with:
node-version: ${{ strategy.node-ver }}

Answer: B

Explanation:
The correct GitHub Actions syntax for running a job across multiple Node.js versions is strategy.
matrix. The matrix values are referenced at runtime through the matrix context, so node-version: ${{ matrix.node-ver }} is correct. Option A defines the matrix correctly but references it incorrectly through strategy.node-ver; matrix values are not accessed through the strategy context. Option C uses matrix-strategy, which is not a valid GitHub Actions workflow key. Option D reverses the structure by putting strategy under matrix, which is invalid. This question tests matrix strategy syntax, dynamic job configuration, and using matrix values as inputs to actions such as actions/setup-node. GitHub defines jobs. < job_id > .strategy.matrix as the proper matrix mechanism.

NEW QUESTION # 90
Which scopes are available to define custom environment variables within a workflow file?
(Choose three.)

A. a specific step within a job, by using jobs..steps[*].env
B. the entire workflow, by using env at the top level of the workflow file
C. the entire stage, by using env at the top of the defined build stage
D. within the run attribute of a job step
E. all jobs being run on a single Actions runner, by using runner.env at the top of the workflow file
F. the contents of a job within a workflow, by using jobs.env

Answer: A,B,F

Explanation:
Defining environment variables for a single workflow
To set a custom environment variable for a single workflow, you can define it using the env key in the workflow file. The scope of a custom variable set by this method is limited to the element in which it is defined. You can define variables that are scoped for:
[A] The entire workflow, by using env at the top level of the workflow file.
[E] The contents of a job within a workflow, by using jobs.<job_id>.env.
[F] A specific step within a job, by using jobs.<job_id>.steps[*].env.
Reference:
https://docs.github.com/en/actions/how-tos/write-workflows/choose-what-workflows-do/use- variables

NEW QUESTION # 91
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