Which of the following statements describe why error guessing is a useful test design technique?

a. It can help derive test cases based on analysis of specification documents. b. Itcanidentifytestsnoteasilycapturedbyformaltechniques. c. It can make good use of tester’s experience and available defect data. d. Itisacheaperalternativetomoreformaltestdesigntechniques.

  • A. a and b
  • B. b and c
  • C. c and d
  • D. aand c

Answer: Option B