Chef DevOps Chef DevOps Version Control & Pipeline Management

Question 1

What is Berkshelf used for in Chef cookbook development?

Accepted Answer

Managing and resolving cookbook dependencies

Answer

Berkshelf is Chef's cookbook dependency manager that resolves, downloads, and caches required cookbooks and their transitive dependencies.

Question 2

Where are cookbook dependencies declared when using Berkshelf?

Accepted Answer

Berksfile

Answer

The `Berksfile` is where you declare cookbook sources and dependencies that Berkshelf reads to resolve and fetch the correct versions.

Question 3

What does `berks install` do when run in a cookbook directory?

Accepted Answer

Downloads and caches all declared cookbook dependencies locally

Answer

`berks install` reads the Berksfile, resolves dependency versions, and downloads them to the local Berkshelf cache (~/.berkshelf).

Question 4

In Chef semantic versioning (e.g., 1.2.3), what does incrementing the first number signify?

Accepted Answer

A breaking or incompatible change

Answer

In semantic versioning, the first (major) version number is incremented when introducing breaking or backward-incompatible changes.

Question 5

What is a Chef Policyfile used for?

Accepted Answer

Pinning specific cookbook versions and run lists to a named policy for nodes

Answer

A Policyfile pins exact cookbook versions and a run list into a named, versioned policy that is applied consistently to targeted nodes.

Chef DevOps Practice Test