Why does white-box testing facilitate defect detection even when the software specification is vague, outdated or incomplete?

Which of the following is a typical test objective?

A designer documents a design for a user interface that does not suitably address disabled users because the designer is tired. The programmer implements the user interface in line with the design but as they are working under severe time pressure, they do not include suitable exception handling in their program code for bonus calculations. When the operational system is used, complaints are made by some disabled users about the interface and the company is subsequently fined by the relevant regulatory authority. No one notices that bonus calculations are sometimes incorrect. Which of the following statements is CORRECT?

High-level test conditions are being used by testers to generate test cases and execute tests. Even though the test conditions remain the same, the test cases are varied each time. Which of the following ‘principles of testing’ is being addressed through the variation of test cases?

Given the following testware: i. Test completion report ii. Data held in a database used for test inputs and expected results iii. The list of elements needed to build the test environment iv. Documented sequences of test cases in execution order v. Test cases Which of the following BEST shows the testware produced as a result of performing test implementation?

Which of the following is MOST likely to describe a task performed by someone in a test management role?