31. What is the recommended line length limit for Ruby code according to most style guides? A. No fixed limit B. 120 characters C. 80 characters D. 100 characters Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
32. Which Ruby tool is commonly used for automated testing to ensure code quality and reliability? A. RSpec B. Cucumber C. MiniTest D. RuboCop Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
33. What is the purpose of using version control systems (VCS) like Git in Ruby development? A. Improve code performance B. Track changes to codebase and collaborate with other developers C. Document the entire codebase D. Improve code performance Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
34. What is the significance of following the "Rule of Three" in Ruby programming? A. Test code thoroughly in at least three different environments to ensure reliability B. Implement the same feature in at least three different ways to ensure robustness C. Refactor code after duplicating it three times to avoid redundancy D. Write code in groups of three lines to improve readability Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
35. What is the purpose of using snake_case for method and variable names in Ruby? A. To make the code more challenging to read B. To indicate private methods and variables C. To emphasize the importance of the code D. To improve readability and maintain consistency Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
36. Which principle in Ruby programming suggests that classes should have a single, well-defined responsibility? A. Single Responsibility Principle (SRP) B. Don't Repeat Yourself (DRY) C. Keep It Simple, Stupid (KISS) D. You Aren't Gonna Need It (YAGNI) Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
37. Which Ruby convention is commonly used for naming methods that modify an object's state? A. Method names ending with mod B. Method names starting with modify_ C. Method names starting with set_ D. Method names ending with ! Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
38. What does the term "polymorphism" mean in the context of Ruby programming? A. The ability of objects to be treated as instances of their parent class B. The practice of defining multiple methods with the same name but different implementations C. The ability of objects to respond to the same method call in different ways D. The practice of overriding inherited methods with custom behavior Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
39. Which Ruby convention is commonly used for naming predicate methods that return a boolean value? A. Method names starting with get_ B. Method names ending with ? C. Method names ending with bool D. Method names starting with get_ Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
40. Which Ruby convention is commonly used for naming files that contain Ruby code? A. snake_case B. camelCase C. UPPER_SNAKE_CASE D. kebab-case Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
