SWT301 – All EXAM QUESTIONS AND
ANSWERS
Q1. We split testing into distinct stages primarily because:
a) Each test stage has a different purpose.
b) It is easier to manage testing in stages.
c) We can run different tests in different environments.
d) The more stages we have, the better the testing. - Correct Answers -A
Q2. Which of the following is likely to benefit most from the use of test tools providing
test capture and replay facilities?
a) Regression testing
b) Integration testing
c) System testing
d) User acceptance testing - Correct Answers -A
Q3. Which of the following statements is NOT correct?
a) A minimal test set that achieves 100% LCSAJ coverage will also achieve 100%
branch coverage.
b) A minimal test set that achieves 100% path coverage will also achieve 100%
statement coverage.
c) A minimal test set that achieves 100% path coverage will generally detect more faults
than one that achieves 100% statement coverage.
d) A minimal test set that achieves 100% statement coverage will generally detect more
faults than one that achieves 100% branch coverage. - Correct Answers -D
Q4. Which of the following requirements is testable?
a) The system shall be user friendly.
b) The safety-critical parts of the system shall contain 0 faults.
c) The response time shall be less than one second for the specified design load.
d) The system shall be built to be portable. - Correct Answers -C
Q5. Analyse the following highly simplified procedure:Ask: "What type of ticket do you
require, single or return?"IF the customer wants 'return'Ask: "What rate, Standard or
Cheap-day?"IF the customer replies 'Cheap-day'Say: "That will be £11:20"ELSESay:
"That will be £19:50"ENDIFELSESay: "That will be £9:75"ENDIFNow decide the
minimum number of tests that are needed to ensure that allthe questions have been
asked, all combinations have occurred and allreplies given.
a) 3
b)4
c)5
,d) 6 - Correct Answers -A
Q6 Error guessing:
a) supplements formal test design techniques.
b) can only be used in component, integration and system testing.
c) is only performed in user acceptance testing.
d) is not repeatable and should not be used. - Correct Answers -A
Q7. Which of the following is NOT true of test coverage criteria?
a) Test coverage criteria can be measured in terms of items exercised by a test suite.
b) A measure of test coverage criteria is the percentage of user requirements covered.
c) A measure of test coverage criteria is the percentage of faults found.
d) Test coverage criteria are often used when specifying test completion criteria. -
Correct Answers -C
Q8. In prioritising what to test, the most important objective is to:
a) find as many faults as possible.
b) test high risk areas.
c) obtain good test coverage.
d) test whatever is easiest to test. - Correct Answers -B
Q9. Given the following sets of test management terms (v-z), and activity descriptions
(1-5), which one of the following best pairs the two sets?v - test controlw - test
monitoringx - test estimationy - incident managementz - configuration control1 -
calculation of required test resources2 - maintenance of record of test results3 - re-
allocation of resources when tests overrun4 - report on deviation from test plan5 -
tracking of anomalous test results
a) v-3,w-2,x-1,y-5,z-4
b) v-2,w-5,x-1,y-4,z-3
c) v-3,w-4,x-1,y-5,z-2
d) v-2,w-1,x-4,y-3,z-5 - Correct Answers -C
Q10. Which one of the following statements about system testing is NOT true?
a) System tests are often performed by independent teams.
b) Functional testing is used more than structural testing.
c) Faults found during system tests can be very expensive to fix.
d) End-users should be involved in system tests. - Correct Answers -D
Q11. Which of the following is false?
a) Incidents should always be fixed.
b) An incident occurs when expected and actual results differ.
c) Incidents can be analysed to assist in test process improvement.
d) An incident can be raised against documentation. - Correct Answers -A
Q12. Enough testing has been performed when:
a) time runs out.
,b) the required level of confidence has been achieved.
c) no more faults are found.
d) the users won't find any serious faults. - Correct Answers -B
Q13. Which of the following is NOT true of incidents?
a) Incident resolution is the responsibility of the author of the software under test.
b) Incidents may be raised against user requirements.
c) Incidents require investigation and/or correction.
d) Incidents are raised when expected and actual results differ. - Correct Answers -A
Q14. Which of the following is not described in a unit test standard?
a) syntax testing
b) equivalence partitioning
c) stress testing
d) modified condition/decision coverage - Correct Answers -C
Q15. Which of the following is false?
a) In a system two different failures may have different severities.
b) A system is necessarily more reliable after debugging for the removal of a fault.
c) A fault need not affect the reliability of a system.
d) Undetected errors may lead to faults and eventually to incorrect behaviour. - Correct
Answers -B
Q16. Which one of the following statements, about capture-replay tools, is NOT correct?
a) They are used to support multi-user testing.
b) They are used to capture and animate user requirements.
c) They are the most frequently purchased types of CAST tool.
d) They capture aspects of user behaviour. - Correct Answers -B
Q17. How would you estimate the amount of re-testing likely to be required?
a) Metrics from previous similar projects
b) Discussions with the development team
c) Time allocated for regression testing
d) a & b - Correct Answers -D
Q18. Which of the following is true of the V-model?
a) It states that modules are tested against user requirements.
b) It only models the testing phase.
c) It specifies the test techniques to be used.
d) It includes the verification of designs. - Correct Answers -D
Q19. The oracle assumption:
a) is that there is some existing system against which test output may be checked.
b) is that the tester can routinely identify the correct outcome of a test.
c) is that the tester knows everything about the software under test.
d) is that the tests are reviewed by experienced testers. - Correct Answers -B
, Q20. Which of the following characterises the cost of faults?
a) They are cheapest to find in the early development phases and the most expensive
to fix in the latest test phases.
b) They are easiest to find during system testing but the most expensive to fix then.
c) Faults are cheapest to find in the early development phases but the most expensive
to fix then.
d) Although faults are most expensive to find during early development phases, they are
cheapest to fix then. - Correct Answers -A
Q21. Which of the following should NOT normally be an objective for a test?
a) To find faults in the software.
b) To assess whether the software is ready for release.
c) To demonstrate that the software doesn't work.
d) To prove that the software is correct. - Correct Answers -D
Q22. Which of the following is a form of functional testing?
a) Boundary value analysis
b) Usability testing
c) Performance testing
d) Security testing - Correct Answers -A
Q23. Which of the following would NOT normally form part of a test plan?
a) Features to be tested
b) Incident reports
c) Risks
d) Schedule - Correct Answers -B
Q24. Which of these activities provides the biggest potential cost saving from the use of
CAST?
a) Test management
b) Test design
c) Test execution
d) Test planning - Correct Answers -C
Q25. Which of the following is NOT a white box technique?
a) Statement testing
b) Path testing
c) Data flow testing
d) State transition testing - Correct Answers -D
Q26. Data flow analysis studies:
a) possible communications bottlenecks in a program.
b) the rate of change of data values as a program executes.
c) the use of data on paths through the code.
d) the intrinsic complexity of the code. - Correct Answers -C
ANSWERS
Q1. We split testing into distinct stages primarily because:
a) Each test stage has a different purpose.
b) It is easier to manage testing in stages.
c) We can run different tests in different environments.
d) The more stages we have, the better the testing. - Correct Answers -A
Q2. Which of the following is likely to benefit most from the use of test tools providing
test capture and replay facilities?
a) Regression testing
b) Integration testing
c) System testing
d) User acceptance testing - Correct Answers -A
Q3. Which of the following statements is NOT correct?
a) A minimal test set that achieves 100% LCSAJ coverage will also achieve 100%
branch coverage.
b) A minimal test set that achieves 100% path coverage will also achieve 100%
statement coverage.
c) A minimal test set that achieves 100% path coverage will generally detect more faults
than one that achieves 100% statement coverage.
d) A minimal test set that achieves 100% statement coverage will generally detect more
faults than one that achieves 100% branch coverage. - Correct Answers -D
Q4. Which of the following requirements is testable?
a) The system shall be user friendly.
b) The safety-critical parts of the system shall contain 0 faults.
c) The response time shall be less than one second for the specified design load.
d) The system shall be built to be portable. - Correct Answers -C
Q5. Analyse the following highly simplified procedure:Ask: "What type of ticket do you
require, single or return?"IF the customer wants 'return'Ask: "What rate, Standard or
Cheap-day?"IF the customer replies 'Cheap-day'Say: "That will be £11:20"ELSESay:
"That will be £19:50"ENDIFELSESay: "That will be £9:75"ENDIFNow decide the
minimum number of tests that are needed to ensure that allthe questions have been
asked, all combinations have occurred and allreplies given.
a) 3
b)4
c)5
,d) 6 - Correct Answers -A
Q6 Error guessing:
a) supplements formal test design techniques.
b) can only be used in component, integration and system testing.
c) is only performed in user acceptance testing.
d) is not repeatable and should not be used. - Correct Answers -A
Q7. Which of the following is NOT true of test coverage criteria?
a) Test coverage criteria can be measured in terms of items exercised by a test suite.
b) A measure of test coverage criteria is the percentage of user requirements covered.
c) A measure of test coverage criteria is the percentage of faults found.
d) Test coverage criteria are often used when specifying test completion criteria. -
Correct Answers -C
Q8. In prioritising what to test, the most important objective is to:
a) find as many faults as possible.
b) test high risk areas.
c) obtain good test coverage.
d) test whatever is easiest to test. - Correct Answers -B
Q9. Given the following sets of test management terms (v-z), and activity descriptions
(1-5), which one of the following best pairs the two sets?v - test controlw - test
monitoringx - test estimationy - incident managementz - configuration control1 -
calculation of required test resources2 - maintenance of record of test results3 - re-
allocation of resources when tests overrun4 - report on deviation from test plan5 -
tracking of anomalous test results
a) v-3,w-2,x-1,y-5,z-4
b) v-2,w-5,x-1,y-4,z-3
c) v-3,w-4,x-1,y-5,z-2
d) v-2,w-1,x-4,y-3,z-5 - Correct Answers -C
Q10. Which one of the following statements about system testing is NOT true?
a) System tests are often performed by independent teams.
b) Functional testing is used more than structural testing.
c) Faults found during system tests can be very expensive to fix.
d) End-users should be involved in system tests. - Correct Answers -D
Q11. Which of the following is false?
a) Incidents should always be fixed.
b) An incident occurs when expected and actual results differ.
c) Incidents can be analysed to assist in test process improvement.
d) An incident can be raised against documentation. - Correct Answers -A
Q12. Enough testing has been performed when:
a) time runs out.
,b) the required level of confidence has been achieved.
c) no more faults are found.
d) the users won't find any serious faults. - Correct Answers -B
Q13. Which of the following is NOT true of incidents?
a) Incident resolution is the responsibility of the author of the software under test.
b) Incidents may be raised against user requirements.
c) Incidents require investigation and/or correction.
d) Incidents are raised when expected and actual results differ. - Correct Answers -A
Q14. Which of the following is not described in a unit test standard?
a) syntax testing
b) equivalence partitioning
c) stress testing
d) modified condition/decision coverage - Correct Answers -C
Q15. Which of the following is false?
a) In a system two different failures may have different severities.
b) A system is necessarily more reliable after debugging for the removal of a fault.
c) A fault need not affect the reliability of a system.
d) Undetected errors may lead to faults and eventually to incorrect behaviour. - Correct
Answers -B
Q16. Which one of the following statements, about capture-replay tools, is NOT correct?
a) They are used to support multi-user testing.
b) They are used to capture and animate user requirements.
c) They are the most frequently purchased types of CAST tool.
d) They capture aspects of user behaviour. - Correct Answers -B
Q17. How would you estimate the amount of re-testing likely to be required?
a) Metrics from previous similar projects
b) Discussions with the development team
c) Time allocated for regression testing
d) a & b - Correct Answers -D
Q18. Which of the following is true of the V-model?
a) It states that modules are tested against user requirements.
b) It only models the testing phase.
c) It specifies the test techniques to be used.
d) It includes the verification of designs. - Correct Answers -D
Q19. The oracle assumption:
a) is that there is some existing system against which test output may be checked.
b) is that the tester can routinely identify the correct outcome of a test.
c) is that the tester knows everything about the software under test.
d) is that the tests are reviewed by experienced testers. - Correct Answers -B
, Q20. Which of the following characterises the cost of faults?
a) They are cheapest to find in the early development phases and the most expensive
to fix in the latest test phases.
b) They are easiest to find during system testing but the most expensive to fix then.
c) Faults are cheapest to find in the early development phases but the most expensive
to fix then.
d) Although faults are most expensive to find during early development phases, they are
cheapest to fix then. - Correct Answers -A
Q21. Which of the following should NOT normally be an objective for a test?
a) To find faults in the software.
b) To assess whether the software is ready for release.
c) To demonstrate that the software doesn't work.
d) To prove that the software is correct. - Correct Answers -D
Q22. Which of the following is a form of functional testing?
a) Boundary value analysis
b) Usability testing
c) Performance testing
d) Security testing - Correct Answers -A
Q23. Which of the following would NOT normally form part of a test plan?
a) Features to be tested
b) Incident reports
c) Risks
d) Schedule - Correct Answers -B
Q24. Which of these activities provides the biggest potential cost saving from the use of
CAST?
a) Test management
b) Test design
c) Test execution
d) Test planning - Correct Answers -C
Q25. Which of the following is NOT a white box technique?
a) Statement testing
b) Path testing
c) Data flow testing
d) State transition testing - Correct Answers -D
Q26. Data flow analysis studies:
a) possible communications bottlenecks in a program.
b) the rate of change of data values as a program executes.
c) the use of data on paths through the code.
d) the intrinsic complexity of the code. - Correct Answers -C
