DAC Agile Architecture & Technical Practices 3

Question 1

What is the primary benefit of pair programming in agile technical practices?

Accepted Answer

Improving code quality and spreading knowledge through real-time collaboration

Answer

Halving the total number of developers needed on a project

Answer

Doubling output by having two developers independently solve the same problem

Answer

Meeting compliance requirements for mandatory peer code review

Question 2

In Disciplined Agile, what does the concept of 'software craftsmanship' primarily emphasize?

Accepted Answer

A professional commitment to continuously improving skills and producing high-quality, maintainable code

Answer

Focusing solely on delivery speed and deprioritizing code quality

Answer

Following a fixed set of programming standards dictated by the organization

Answer

Using only open-source tools and frameworks in all projects

Question 3

Which architectural approach in Disciplined Agile involves breaking a system into independently deployable services?

Accepted Answer

Microservices architecture with small, independently deployable components

Answer

Monolithic architecture with a single deployable unit

Answer

Waterfall decomposition with sequential phase handoffs

Answer

Feature-driven development with feature-specific code modules

Question 4

What is the primary purpose of code reviews in an agile technical environment?

Accepted Answer

Improving code quality, sharing knowledge across the team, and catching defects early

Answer

Assigning blame for defects discovered in production to individual developers

Answer

Satisfying mandatory external audit requirements imposed by the organization

Answer

Intentionally slowing development to reduce the frequency of introduced errors

Question 5

In Disciplined Agile, what is the recommended approach to working with legacy code?

Accepted Answer

Incrementally improve legacy code through targeted refactoring and increasing test coverage over time

Answer

Avoid touching legacy code entirely to prevent introducing new bugs

Answer

Rewrite all legacy code from scratch before adding any new features

Answer

Maintain completely separate teams for legacy and new development with no collaboration

Question 6

What does 'refactoring' mean in the context of agile technical practices?

Accepted Answer

Restructuring existing code without changing its external behavior to improve internal quality

Answer

Rewriting code completely from scratch to adopt a new technology stack

Answer

Adding new features to existing code modules to extend their functionality

Answer

Removing features that end users have reported they no longer require

Question 7

Which approach in Disciplined Agile best helps teams maintain a sustainable development pace over time?

Accepted Answer

Balancing WIP limits, incremental technical debt reduction, and realistic capacity planning to prevent burnout

Answer

Maximizing team workload in every sprint to compress overall project timelines

Answer

Consistently working overtime to meet aggressive delivery deadlines

Answer

Limiting all team communication to increase individual developer focus and productivity