Product Management Product Quality Management 2

Question 1

Which quality management approach focuses on identifying defects before they reach the customer by building quality into each process step?

Accepted Answer

Quality assurance

Answer

Quality assurance is a proactive approach that builds quality into processes rather than inspecting for defects after the fact.

Question 2

A product team notices that 80% of their user-reported bugs stem from 20% of the codebase. Which quality principle does this illustrate?

Accepted Answer

Pareto Principle

Answer

The Pareto Principle (80/20 rule) states that roughly 80% of effects come from 20% of causes, helping teams prioritize defect sources.

Question 3

What does a product's 'Mean Time Between Failures' (MTBF) measure?

Accepted Answer

The average time a product operates before failing again

Answer

MTBF is a reliability metric representing the average elapsed time between inherent failures of a product during normal operation.

Question 4

During a sprint retrospective, a PM wants to prevent recurring defects. Which quality tool is BEST suited for identifying root causes?

Accepted Answer

Fishbone (Ishikawa) Diagram

Answer

The Fishbone Diagram (Ishikawa) is specifically designed to systematically explore root causes of a problem across multiple categories.

Question 5

A SaaS company sets a goal of 99.9% uptime. This is an example of which type of quality metric?

Accepted Answer

Service Level Objective (SLO)

Answer

A Service Level Objective (SLO) is a measurable reliability target, such as uptime percentage, agreed upon for a service.

Product Management Practice Test