a) Traceability between the mitigated risks and passing test cases provides a means of determining the level of residual risk
b) Traceability between user requirements and test execution results provides a means of measuring project progress against business goals
c) Traceability between testers and failing test cases provides a means of determining the skill level of the testers
d) Traceability between the identified risks and written test conditions provides a means of determining which risks are worth testing
Answer Explanation