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

The financial revenue generated by software features

Answer

The backlog of features waiting for development

Answer

The set of microservices that process business transactions

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

Adding more approval gates

Answer

Increasing documentation requirements

Answer

Separating development and operations into specialized silos

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

They eliminate the need for automated testing

Answer

They automatically roll back failed deployments

Answer

They enforce code review policies

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

Large infrequent releases

Answer

Comprehensive manual testing before release

Answer

Dedicated change advisory board (CAB) reviews

Question 5

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

Accepted Answer

Treating it as ongoing work alongside feature development

Answer

Ignoring it until the system breaks

Answer

Dedicating one major 'cleanup sprint' per year

Answer

Documenting it and deferring to future teams

Question 6

What does 'observability' provide that traditional monitoring alone does not?

Accepted Answer

The ability to understand internal system state from external outputs without prior knowledge of the failure mode

Answer

Faster servers for collecting metrics

Answer

Automated remediation of all detected issues

Answer

A replacement for log management tools

Question 7

Which DevOps principle does 'chaos engineering' most directly support?

Accepted Answer

Building resilience through proactive failure testing

Answer

Continuous integration

Answer

Reducing deployment frequency

Answer

Eliminating all production incidents