CAST CAST - Test Metrics and Measurement Questions and Answers 2

Question 1

What does a 'defect aging' metric measure?

Accepted Answer

How long defects have remained open without being resolved

Answer

The number of defects introduced over time

Answer

The rate at which new defects are being discovered

Answer

The severity trend of defects across releases

Question 2

Which type of metric directly reflects end-user perception of software quality?

Accepted Answer

Product metrics such as customer-reported defects

Answer

Code coverage metrics

Answer

Test execution efficiency metrics

Answer

Requirement traceability metrics

Question 3

What is a 'test pass rate' metric?

Accepted Answer

The ratio of test cases that passed to total test cases executed

Answer

The percentage of test cases that were skipped during execution

Answer

The time required to execute a full test suite

Answer

The number of testers who passed their certification exam

Question 4

In software testing, what does 'requirements coverage' measure?

Accepted Answer

The proportion of requirements that are traced to at least one test case

Answer

The percentage of source code lines executed during testing

Answer

The number of user stories completed in a sprint

Answer

The ratio of functional to non-functional requirements

Question 5

What is 'mean time to detect' (MTTD) in the context of defect metrics?

Accepted Answer

The average time from when a defect is introduced to when it is discovered

Answer

The average time from when a defect is reported to when it is fixed

Answer

The average time a tester spends on each test case

Answer

The average duration of a full regression test cycle

Question 6

Why is it important to establish a baseline when using test metrics?

Accepted Answer

To have a reference point for comparing future measurements and tracking improvement

Answer

To ensure all test cases are automated

Answer

To comply with IEEE documentation standards

Answer

To calculate the project budget more accurately