DOL DevOps Principles 3

Question 1

Which of the following BEST describes the concept of 'value stream' in DevOps?

Accepted Answer

The end-to-end sequence of steps required to deliver value to customers

Answer

A value stream maps all steps from customer request to delivered value, helping teams identify waste and bottlenecks.

Question 2

A DevOps leader wants to reduce 'handoff waste' in the pipeline. Which practice MOST directly addresses this?

Accepted Answer

Cross-functional teams with end-to-end ownership

Answer

Cross-functional teams with end-to-end ownership eliminate hand-offs between separate teams, reducing delays and miscommunication.

Question 3

What is the primary benefit of using feature flags in a DevOps pipeline?

Accepted Answer

They allow code to be deployed without activating features for all users

Answer

Feature flags decouple deployment from release, allowing teams to ship code to production while controlling which users see new functionality.

Question 4

According to DevOps research, which practice has the STRONGEST correlation with high software delivery performance?

Accepted Answer

Trunk-based development with short-lived branches

Answer

DORA research identifies trunk-based development as a key technical practice strongly correlated with elite delivery performance.

Question 5

In DevOps, 'technical debt' is BEST managed by:

Accepted Answer

Treating it as ongoing work alongside feature development

Answer

DevOps culture treats technical debt as a continuous concern, allocating regular capacity to address it alongside new feature work.

(DOL) DevOps Leader Practice Test