GH-100 sample questions

Question 1

A GitHub Actions workflow is failing with an error indicating that a self-hosted runner with the label `windows-gpu-large` is not available. The administrator confirms that several runners with this label are online and idle. The workflow is running in a private repository. What is the most likely configuration issue preventing the workflow from using the available runners?

```mermaid
graph TD
subgraph GitHub Enterprise Cloud
Org[Organization]
Repo[Private Repo]
Workflow[Workflow Job runs-on: windows-gpu-large]
end

subgraph On-Premises Network
RunnerGroup[Runner Group: 'GPU-Runners']
Runner1[Runner 1 (windows-gpu-large)]
Runner2[Runner 2 (windows-gpu-large)]
end

Workflow -- Needs --> Runner1
Org -- Contains --> Repo
RunnerGroup -- Contains --> Runner1
RunnerGroup -- Contains --> Runner2
Repo -- ??? --> RunnerGroup
```

Accepted Answer

The runner group containing the `windows-gpu-large` runners has not been granted access to the private repository.

Answer

The self-hosted runners are not connected to the correct network proxy.

Answer

The workflow file has a syntax error in the `runs-on` key.

Answer

The repository is using GitHub-hosted runners by default, and this setting overrides the `runs-on` key.

Question 2

Your organization uses a fork-and-pull workflow for contributions to a central, open-source repository. To maintain code quality, you have a requirement that every pull request must be reviewed and approved by at least two members of the 'Core-Maintainers' team before it can be merged. How should you enforce this requirement?

Accepted Answer

Configure a branch protection rule on the main branch that requires a specific number of approving reviews.

Answer

Create a `CODEOWNERS` file that assigns the 'Core-Maintainers' team as owners of all files.

Answer

Create a GitHub Actions workflow that uses the API to count the number of approvals and fails if there are fewer than two.

Answer

Set the base permissions for the organization to 'write' and add the 'Core-Maintainers' team with 'admin' rights.

Question 3

You have a GitHub Enterprise Server instance and need to configure backups. According to GitHub's best practices, where should the backup data be stored?

Accepted Answer

On a host separate from the primary GHES appliance, but in the same data center.

Answer

On the same primary GHES appliance to ensure fast restore times.

Answer

Directly to an S3-compatible object storage bucket in the public cloud.

Answer

On the replica GHES appliance in a high availability configuration.

Question 4

An organization has a policy that all repositories must have vulnerability scanning enabled. A new repository was created, and the administrator needs to verify if Code Scanning is active. Where in the repository settings would the administrator go to enable Code Scanning and configure CodeQL?

Accepted Answer

Settings > Code security and analysis

Answer

Settings > Actions > General

Answer

Settings > Branches > Branch protection rules

Answer

The 'Security' tab in the main repository view.

Question 5

You are configuring a new GitHub Enterprise Cloud organization and need to integrate it with your company's identity provider (IdP) for single sign-on. Your IdP supports both SAML and SCIM. What are the distinct functions of these two protocols in the context of GitHub? (Select TWO)

Accepted Answer

SAML is used for authenticating users when they sign in to GitHub.

Accepted Answer

SCIM is used for automating the provisioning and de-provisioning of user accounts and team memberships.

Answer

SAML is used for authorizing API requests to GitHub.

Answer

SCIM is used to enforce two-factor authentication for all organization members.

Question 6

True or False: In a GitHub organization, an 'outside collaborator' consumes one of the organization's paid licenses (seats).

Accepted Answer

False

Answer

True

Question 7

You have subscribed to GitHub Premium Support, and you need to submit a support ticket. GitHub Premium Support can help you with: A.writing scripts.B.installing GitHub Enterprise Server.C.setting up hardware.D.integrating with third-party applications.

Accepted Answer

installing GitHub Enterprise Server.

Answer

writing scripts.

Answer

setting up hardware.

Answer

integrating with third-party applications.

Question 8

You need to contact GitHub Premium Support. What are valid reasons for submitting a support ticket? (Each answer presents a complete solution. Choose two.) A.license renewalB.hardware setup issues or errorsC.business impact from security issues within your organizationD.outages on GitHub.com affecting core Git functionality

Accepted Answer

business impact from security issues within your organization

Accepted Answer

outages on GitHub.com affecting core Git functionality

Answer

license renewal

Answer

hardware setup issues or errors

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Free GH-100 sample questions

You have a GitHub Enterprise Server instance and need to configure backups. According to GitHub's best practices, where should the backup data be stored?

An organization has a policy that all repositories must have vulnerability scanning enabled. A new repository was created, and the administrator needs to verify if Code Scanning is active. Where in the repository settings would the administrator go to enable Code Scanning and configure CodeQL?

You are configuring a new GitHub Enterprise Cloud organization and need to integrate it with your company's identity provider (IdP) for single sign-on. Your IdP supports both SAML and SCIM. What are the distinct functions of these two protocols in the context of GitHub? (Select TWO)

True or False: In a GitHub organization, an 'outside collaborator' consumes one of the organization's paid licenses (seats).

You have subscribed to GitHub Premium Support, and you need to submit a support ticket. GitHub Premium Support can help you with: A.writing scripts.B.installing GitHub Enterprise Server.C.setting up hardware.D.integrating with third-party applications.

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