CAD FREE CAD Code Refactoring and Quality Questions and Answers 2

Question 1

Which refactoring technique involves replacing a complex conditional expression with a method that returns a boolean value?

Accepted Answer

Decompose Conditional

Answer

Decompose Conditional extracts the condition and each branch into separate methods, making complex conditionals easier to understand.

Question 2

What is the primary purpose of establishing a 'Definition of Done' for code quality in an Agile team?

Accepted Answer

To create a shared understanding of quality standards that must be met before work is considered complete

Answer

A Definition of Done ensures the entire team agrees on the quality criteria every increment must satisfy before it can be released.

Question 3

In the context of Agile development, what does 'technical debt' most accurately describe?

Accepted Answer

The implied cost of future rework caused by choosing an expedient solution over a better approach

Answer

Technical debt represents the extra development work that arises when code that is easy to implement in the short run is used instead of applying the best overall solution.

Question 4

Which code quality metric measures the percentage of code executed during automated tests?

Accepted Answer

Code coverage

Answer

Code coverage measures the proportion of source code that is exercised by the test suite, typically expressed as a percentage.

Question 5

What is the 'Strangler Fig' pattern used for in Agile refactoring?

Accepted Answer

Gradually replacing a legacy system by incrementally building new functionality around it

Answer

The Strangler Fig pattern incrementally replaces parts of a legacy system with new implementations until the old system can be completely decommissioned.

(CAD) Certified Agile Developer Practice Test

(CAD) Certified Agile Developer Practice Test

CAD FREE CAD Code Refactoring and Quality Questions and Answers 2