GH-200 Practice Online

Question 1

How can you enable logging and provide helpful messages from within your custom action's JavaScript code?

A : Logging is automatically enabled for all custom actions.

B : Use the console.log() function to print messages.

C : Modify the workflow YAML to include log messages.

D : Use the stdout.log() and stderr.log() functions.

Answer: B

Question 2

What is the purpose of the on keyword in a GitHub Actions workflow?

A : It sets environment variables for the workflow.

B : It specifies the runner machine for the workflow.

C : It specifies the events that trigger the workflow.

D : It defines the output artifacts of the workflow.

Answer: C

Question 3

How would you reference a custom action to ensure that a specific changeset of the code can be retrieved reliably?

A : By using the Git commit hash.

B : By using the main/master branch.

C : By using a tag.

D : By using the release ID.

Answer: A

Question 4

Select all characteristics of a job output. (choose two)

A : You can define only one output per job.

B : An output is a file.

C : An output is a unicode string.

D : An output can be a maximum of 1 MB.

Answer: C,D

Question 5

Select the valid expression for referencing a matrix variable given the workflow below.

1. jobs:

2. example_matrix:

3. strategy:

4. matrix:

5. os: [ubuntu-22.04, ubuntu-20.04]

6. version: [10, 12, 14]

A : $matrix.version

B : ${{ matrix.os[0] }}

C : ${{ jobs.example_matrix.version }}

D : ${{ matrix.os }}

Answer: D

Name:	GitHub Actions
Exam Code:	GH-200
Certification:	GitHub Certified Administrator
Vendor:	Microsoft
Total Questions:	372
Last Updated:	Sep 03, 2026

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