CDM DevOps Principles & Culture 4

Question 1

Which concept describes the practice of running experiments in production to verify system behavior under real conditions?

Accepted Answer

Chaos engineering

Answer

Chaos engineering deliberately introduces failures in production to expose weaknesses before they cause unplanned outages.

Question 2

What does the DevOps principle of 'continuous feedback' primarily aim to achieve?

Accepted Answer

Shorten the feedback loop between production and development teams

Answer

Continuous feedback shortens the cycle between observing production behavior and acting on that information to improve the system.

Question 3

A team practicing 'you build it, you run it' (YBIYRI) is adopting which DevOps principle?

Accepted Answer

Developer accountability for production systems

Answer

YBIYRI gives development teams end-to-end ownership of their services, including production operations.

Question 4

Which type of organizational structure does DevOps most strongly advocate against?

Accepted Answer

Siloed functional departments

Answer

DevOps opposes siloed functional departments where Dev, Ops, Security, and QA operate with separate goals and handoffs.

Question 5

In Lean thinking applied to DevOps, 'waste' most commonly refers to which of the following?

Accepted Answer

Any activity that does not add customer value

Answer

Lean defines waste as any activity consuming resources without adding value to the customer, such as waiting, rework, or excess process.

(CDM) Certified DevOps Master Practice Test