CISA Certified Information Systems Auditor – Question2885

Which of the following is an advantage of the top-down approach to software testing?

A.
Interface errors are identified early
B. Testing can be started before all programs are complete
C. it is more effective than other testing approaches
D. Errors in critical modules are detected sooner

Correct Answer: A

Explanation:

Explanation:
The advantage of the top-down approach is that tests of major functions are conducted early, thus enabling the detection of interface errors sooner. The most effective testing approach is dependent on the environment being tested. Choices B and D are advantages of the bottom-up approach to system testing.