ISEB ISEB Certification ISEB-SWT2 Questions & Answers

• Question 21:

  Which of the following statements is GENERALLY true of testing?

  a) Testing can show the presence of defects.

  b) Testing reduces the probability of uncovered defects.

  c) Testing can show that a previously present defect has been removed.

  d) Testing can prove that software is defect free.

  A. a, b and c

  B. a, b and d

  C. a, c and d

  D. b, c and d

  Correct Answer: A

• Question 22:

  A programme level Master Test Plan states that a number of best practices must be adopted for its project life cycle models, irrespective of whether a sequential or iterative-incremental approach is adopted for each project. Which of the

  following life cycle related best practices would you

  expect to see in the Master Test Plan?

  a) There should be a testing activity that corresponds to each development activity.

  b) Each project should have four test levels if using a V-model.

  c) Test personnel should ensure that they are invited to review requirements and design documents as soon as draft versions are available.

  d) System testing must not be performed by the development teams.

  A. a and b

  B. a and c

  C. b and d

  D. c and d

  Correct Answer: B

• Question 23:

  An automated air-conditioner is programmed to turn its heating unit on when the temperature falls below 17 and to turn its refrigeration unit on when the temperature exceeds 26. The air- conditioner is designed to operate at temperatures between -10 and +40. Given the above specification,the temperature exceeds 26. The air-conditioner is designed to operate at temperatures between -10 and +40?. Given the above specification, which of the following sets of values shows that the equivalence partition test design technique has been used correctly?

  A. -11, -11?, -1, -1?, 18, 18?, 27, 27?, 5151?

  B. -11, -11?, -1, -1?, 12, 12?, 18, 18?, 27, 27?, 5151?

  C. -11, -11?, 18, 18?, 5151?

  D. -1, -1?, 12, 12?, 18, 18?, 27 27?

  Correct Answer: A

• Question 24:

  Which of the following statements correctly describes the benefit of fault attacks?

  A. They are more effective at finding faults than formal test design techniques

  B. They are useful when there is limited experience in the test team

  C. They can evaluate the reliability of a test object by attempting to force specific failures to occur

  D. They are less structured than other experience-based techniques

  Correct Answer: C

• Question 25:

  Given the following sample of pseudo code:

  

  What is the minimum number of test cases required to guarantee 100% decision coverage?

  A. 2

  B. 1

  C. 3

  D. 4

  Correct Answer: C

• Question 26:

  Arrive-and-Go airline wants to clarify its baggage handling policy, whilst maximising revenues, and will introduce the following tariffs for all baggage per individual customer (weights are rounded up to the nearest 0.1Kg):

  The first 2Kg will be carried free of charge. The next 10 Kg will be carried for a flat charge of 0. An additional 15Kg will be charged a total charge of 7.

  Luggage over this amount will be charged at ? per Kg, up to a maximum of 150Kg per person. No passenger may take more that 150Kg with them. Which of the following would constitute boundary values for baggage weights in the price calculation?

  A. 0, 5.0, 10.0, 17.0

  B. 2.0,9.9, 15.0, 26.9

  C. 1.9, 12.0, 14.9, 150.0

  D. 2.0, 12.1, 27.0, 150.1

  Correct Answer: D

• Question 27:

  Which one of the following methods for test estimation rely on information captured from previous projects?

  A. Test point-based

  B. Expert-based

  C. Metrics-based

  D. Development effort-based

  Correct Answer: C

• Question 28:

  A system requires 100% decision coverage at component testing for all modules. The following module has been tested with a single test case.

  

  The test case follows the path A, B, D, E, F, G. What level of decision coverage has been achieved?

  A. 100%

  B. 50%

  C. 75%C.75%

  D. 90% D.90%

  Correct Answer: B

• Question 29:

  Which of the following are characteristics of good testing in any life cycle model?

  a) Every development activity has a corresponding test activity.

  b) Testers review development documents early.

  c) There are separate levels for component and system integration test.

  d) Each test level has objectives specific to that level.

  e) Each test level is based on the same test basis.

  A. a, d and e

  B. b, c and e

  C. a, c and d

  D. a, b and d

  Correct Answer: D

• Question 30:

  A failure has occurred during system testing and incident report must be raised. The following attributes are available for the report:

  a) Tester name.Tester? name.

  b) Date raised.

  c) Priority (to fix).

  d) Severity (impact on the system).

  e) Expected Results.

  f) Actual Results.

  g) Test case specification identifier.

  h) Failing software function.

  i) Tester recommendations.

  Which attributes would be the MOST effective to enable determination of WHEN the incident should be fixed and HOW MUCH effort might be required to apply the fix?

  A. b, c, e, f, g

  B. a, b, d, h, i

  C. c, d, e, f, h

  D. c, d, e, g, i

  Correct Answer: C