GitHub Professional Certificate GitHub Packages and Container Registry

Question 1

What is the base URL for authenticating with the GitHub Container Registry (GHCR)?

Accepted Answer

ghcr.io

Answer

docker.pkg.github.com

Answer

registry.github.com

Answer

packages.github.com

Question 2

Which command correctly logs Docker into the GitHub Container Registry using a Personal Access Token stored in an environment variable TOKEN?

Accepted Answer

echo $TOKEN | docker login ghcr.io -u USERNAME --password-stdin

Answer

docker auth login ghcr.io -u USERNAME -p $TOKEN

Answer

docker login --token $TOKEN ghcr.io

Answer

gh auth login --docker ghcr.io --token $TOKEN

Question 3

What minimum permission scope is required on a Personal Access Token (classic) to publish packages to GitHub Packages?

Accepted Answer

write:packages

Answer

read:packages

Answer

repo

Answer

admin:org

Question 4

Which package ecosystems does GitHub Packages natively support? (Select the most complete answer)

Accepted Answer

npm, RubyGems, Maven, Gradle, Docker, NuGet, and Swift

Answer

npm, Maven, and Docker only

Answer

pip, npm, and Cargo only

Answer

npm, Docker, NuGet, and Helm only

Question 5

How do you tag and push a Docker image to GitHub Container Registry for the user 'octocat' and image 'myapp'?

Accepted Answer

docker tag myapp ghcr.io/octocat/myapp:latest && docker push ghcr.io/octocat/myapp:latest

Answer

docker push octocat/myapp:latest to ghcr.io

Answer

gh package push --image myapp --registry ghcr.io

Answer

docker upload ghcr.io/octocat/myapp:latest

Question 6

Where should the .npmrc file be configured to redirect npm installs to GitHub Packages for a scoped package @myorg?

Accepted Answer

In the project root with @myorg:registry=https://npm.pkg.github.com

Answer

In the global npm config only

Answer

In the GitHub Actions runner environment

Answer

In the repository's package.json under 'registries'

Question 7

By default, what visibility does a package published from a private repository inherit on GitHub Packages?

Accepted Answer

Private, matching the repository visibility

Answer

Public, regardless of repository visibility

Answer

Internal, accessible only to organization members

Answer

It depends on the package ecosystem