CAST CAST - Test Metrics and Measurement Questions and Answers 3

Question 1

What is 'test efficiency' as a metric in software testing?

Accepted Answer

The number of bugs found divided by total hours spent testing

Answer

Test efficiency measures how many defects are found per unit of testing effort, helping evaluate the value of testing activities.

Question 2

Which metric helps track whether defects are being resolved in a timely manner?

Accepted Answer

Defect closure rate

Answer

Defect closure rate measures how quickly open defects are being fixed and verified, indicating the responsiveness of the team.

Question 3

What does 'blocked test cases' as a metric indicate?

Accepted Answer

Test cases that cannot be executed due to unresolved defects or environmental issues

Answer

Blocked test cases highlight impediments in the testing process that require resolution before testing can proceed.

Question 4

What is the significance of 'escaped defects' as a test metric?

Accepted Answer

It counts defects that were not found during testing and were discovered in production

Answer

Escaped defects indicate how many issues slipped through the testing process and reached end users, directly impacting software quality perception.

Question 5

What is a GQM (Goal-Question-Metric) approach used for in software measurement?

Accepted Answer

To align measurement activities with organizational goals by deriving metrics from specific questions

Answer

GQM is a structured approach where goals are defined first, questions are derived from goals, and metrics are selected to answer those questions.

CAST Test Practice Test