CDM DevOps Principles & Culture 3

Question 1

Which principle encourages teams to automate repetitive manual tasks to free humans for higher-value work?

Accepted Answer

Elimination of toil

Answer

Eliminating toil — coined by Google SRE — focuses on automating repetitive operational work that has no lasting value.

Question 2

In the context of DevOps culture transformation, what does 'breaking down silos' primarily mean?

Accepted Answer

Encouraging cross-functional collaboration between Dev, Ops, and other teams

Answer

Breaking down silos means fostering collaboration and shared ownership across development, operations, security, and business teams.

Question 3

Which DevOps concept refers to the idea that if something is painful, you should do it more often to improve and automate it?

Accepted Answer

If it hurts, do it more frequently

Answer

Doing painful things more often (like deployments or testing) forces automation and process improvement.

Question 4

What does 'infrastructure as code' (IaC) primarily enable in a DevOps context?

Accepted Answer

Managing infrastructure through version-controlled configuration files

Answer

IaC treats infrastructure configuration as code, enabling versioning, repeatability, and automation of environment provisioning.

Question 5

The DevOps Research and Assessment (DORA) report categorizes software delivery performance teams into how many performance tiers?

Accepted Answer

Four

Answer

DORA categorizes teams into four performance tiers: Elite, High, Medium, and Low performers.

(CDM) Certified DevOps Master Practice Test