What is the main advantage of using breakpoints during debugging?

Which of the following are objectives of dynamic testing?

Your QA team reviews a Python application. You conduct a peer review and use a linter to enforce style compliance. Later, test cases are executed, and certain modules are observed to crash under specific inputs.
Which practices have been applied in this workflow?

Which test coverage metric reflects the percentage of code statements executed during tests?

Which of the following are advantages of black-box testing?