CAD Testing & Debugging

Question 1

What type of testing verifies that individual components or functions work correctly in isolation?

Accepted Answer

Unit testing

Answer

Integration testing

Answer

System testing

Answer

Acceptance testing

Question 2

Which debugging technique involves adding output statements to track program flow and variable values?

Accepted Answer

Print/log debugging

Answer

Remote debugging

Answer

Breakpoint debugging

Answer

Memory profiling

Question 3

What is the purpose of a regression test?

Accepted Answer

To verify previously working functionality still works after code changes

Answer

To check for performance degradation

Answer

To validate backward compatibility with older systems

Answer

To measure database query efficiency

Question 4

In test-driven development (TDD), what is the correct order of steps?

Accepted Answer

Write test → Write code → Refactor

Answer

Write code → Write test → Refactor

Answer

Refactor → Write test → Write code

Answer

Write code → Refactor → Write test

Question 5

What does 'code coverage' measure in a software testing context?

Accepted Answer

The percentage of source code executed during testing

Answer

The number of tests written per developer

Answer

The time required to run the full test suite

Answer

The number of defects found per test case

Question 6

Which type of testing is performed without knowledge of the internal code structure?

Accepted Answer

Black-box testing

Answer

White-box testing

Answer

Gray-box testing

Answer

Glass-box testing

Question 7

What is a 'mock object' in the context of unit testing?

Accepted Answer

A simulated object that mimics the behavior of real dependencies

Answer

A real dependency used in a controlled environment

Answer

A simplified version of the application under test

Answer

A test environment that mirrors production exactly