GH-200 Exam Dumps - GitHub Actions Exam

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Question # 17

When reviewing an action for use, what file defines its available inputs and outputs?

inputs.yml

config.json

defaults.json

workflow.yml

action.yml

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Question # 18

As a DevOps engineer developing a JavaScript action, you need to include annotations to pass warning messages to workflow runners. Which code snippet can you use to implement an annotation in your Actions?

core.info( ' Something went wrong, but it\ ' s not bad enough to fail the build. ' )

core.notice( ' Something went wrong, but it\â€™s not bad enough to fail the build. ' )

core.warning( ' Something went wrong, but it\ ' s not bad enough to fail the build. ' )

core.warn( ' Something went wrong, but it\ ' s not bad enough to fail the build. ' )

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Question # 19

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?

jobs:

build-app:

strategy:

matrix:

node-ver: [10, 12, 14]

steps:

- uses: actions/setup-node@v3

with:

node-version: ${{ strategy.node-ver }}

jobs:

build-app:

strategy:

matrix:

node-ver: [10, 12, 14]

steps:

- uses: actions/setup-node@v3

with:

node-version: ${{ matrix.node-ver }}

jobs:

build-app:

matrix-strategy:

node-ver: [10, 12, 14]

steps:

- uses: actions/setup-node@v3

with:

node-version: ${{ matrix-strategy.node-ver }}

jobs:

build-app:

matrix:

strategy:

node-ver: [10, 12, 14]

steps:

- uses: actions/setup-node@v3

with:

node-version: ${{ matrix.node-ver }}

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Question # 20

Based on the YAML below, which two statements are correct? (Choose two.)

A.
This workflow will publish a package to an npm registry.

B.
This workflow will publish a package to GitHub Packages.

C.
This workflow file is using a matrix strategy.

D.
The workflow job publish-npm will only run after the build job passes.

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Answer:

Explanation:

The publish-npm job includes the JS-DevTools/npm-publish action, which is used to publish an npm package to an npm registry.
The publish-npm job has the needs: build directive, meaning it will only run after the build job successfully completes.

Question # 21

You are reaching your organization ' s storage limit for GitHub artifacts and packages. What should you do to prevent the storage limit from being reached? (Choose two.)

A.
Delete artifacts from the repositories manually

B.
Disable branch protections in the repository.

C.
Use self-hosted runners for all workflow runs.

D.
Configure the artifact and log retention period.

E.
Configure the repo to use Git Large File Storage.

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Answer:

Explanation:

Deleting artifacts from repositories manually will free up storage space. Artifacts are typically stored for a limited time by default, but manual cleanup can help manage space.
Configuring the artifact and log retention period allows you to control how long artifacts and logs are retained in your repository. By shortening the retention period, you can prevent unnecessary accumulation of data and manage storage more effectively.

Question # 22

As a developer, you need to leverage Redis in your workflow. What is the best way to use Redis on a self-hosted Linux runner without affecting future workflow runs?

A.
Add a run step to your workflow, which dynamically installs and configures Redis as part of your job.

B.
Specify container: and services: in your job definition to leverage a Redis service container.

C.
Set up Redis on a separate machine and reference that instance from your job.

D.
Install Redis on the hosted runner image and place it in a runner group. Specify label: in your job to target the runner group.

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Answer:

Explanation:

The best approach is to use a service container for Redis. Service containers provide temporary supporting services for a workflow job, such as databases, caches, and message brokers, without permanently changing the runner. This is exactly what is needed when Redis is required only during workflow execution and should not affect future jobs on the self-hosted Linux runner. Option A installs Redis directly during the job and can introduce dependency, cleanup, and configuration risk. Option C requires separate infrastructure, which is unnecessary. Option D is incorrect because installing Redis into the runner image makes the runner stateful and harder to maintain. GitHub Actions workflow syntax supports jobs. <</b> job_id > .services for service containers.

Question # 23

What are the two mandatory requirements for publishing GitHub Actions to the GitHub Marketplace? Each correct answer presents part of the solution.
NOTE: Each correct answer is worth one point.

A.
The action can be either in a public or private repository.

B.
The actionâ€™s name cannot match a user or organization on GitHub unless the user or organization owner is publishing the action.

C.
Each repository can contain a collection of actions as long as they are under the same Marketplace category.

D.
The actionâ€™s metadata file must be in the root directory of the repository.

E.
The name should match with one of the existing GitHub Marketplace categories.

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Answer:

Explanation:

For GitHub Marketplace publishing, the action must meet Marketplace metadata and naming requirements. Option D is correct because the repository must contain a single action metadata file, action.yml or action.yaml, at the repository root for Marketplace listing. Option B is also correct because the action name must be unique and cannot match a GitHub user or organization unless that owner is publishing the action. Option A is false because Marketplace actions must be in public repositories. Option C is incorrect because a repository is expected to contain one marketplace-listed metadata file at the root, not a collection of marketplace actions. Option E is wrong because the name must not match an existing Marketplace category. GitHub documents these Marketplace prerequisites directly.

Question # 24

Which statement accurately describes using labels to route GitHub Actions workflows to runners?

A.
A user can assign multiple labels to a self-hosted runner and use the labels in a runs-on to target only runners that match all the specified labels.

B.
Labels apply only to GitHub-hosted runners and are ignored by self-hosted runners.

C.
GitHub Actions automatically assigns the runnerâ€™s IP address as a label, and the label must be used in a runs-on.

D.
To target a specific runner, the runs-on must match the runnerâ€™s hostname rather than its labels.

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Answer:

Explanation:

Self-hosted runners can have default labels and custom labels. These labels are used in the runs-on field to route workflow jobs to runners that match the required criteria. When multiple labels are specified, the runner must match all listed labels before GitHub Actions can assign the job to that runner. Therefore, option A is correct. Option B is false because labels are especially important for self-hosted runners. Option C is incorrect because GitHub does not require the runner IP address as a routing label. Option D is also incorrect because workflows target runners by labels or runner groups, not by hostname. This topic validates runner selection, self-hosted runner configuration, and workflow job routing.
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GH-200 Exam Dumps - GitHub Actions Exam

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