SWT301 final p1
A failure is: a)found in the software; the result of an error. b)departure from specified behaviour. c)an incorrect step, process or data definition in a computer program. d)a human action that produces an incorrect result.
B
Consider the following statements i.an incident may be closed without being fixed ii.incidents may not be raised against documentation iii.the final stage of incident tracking is fixing iv.the incident record does not include information on test environments v.incidents should be raised when someone other than the author of the software performs the test a)ii and v are true, I, iii and iv are false b)i and v are true, ii, iii and iv are false c)i, iv and v are true, ii and iii are false d)i and ii are true, iii, iv and v are false e)i is true, ii, iii, iv and v are false
B
Coverage measurement a)is nothing to do with testing b)is a partial measure of test thoroughness c)branch coverage should be mandatory for all software d)can only be applied at unit or module testing, not at system testing
B
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.
B
Error guessing is best used a)As the first approach to deriving test cases b)After more formal techniques have been applied c)By inexperienced testers d)After the system has gone live e)Only by end users
B
Faults found by users are due to: a)Poor quality software b)Poor software and poor testing c)bad luck d)insufficient time for testing
B
Given the following code, which is true about the minimum number of test cases required for full statement and branch coverage: Read P Read Q IF P+Q > 100 THEN Print "Large" ENDIF If P > 50 THEN Print "P Large" ENDIF a)1 test for statement coverage, 3 for branch coverage b)1 test for statement coverage, 2 for branch coverage c)1 test for statement coverage, 1 for branch coverage d)2 tests for statement coverage, 3 for branch coverage e)2 tests for statement coverage, 2 for branch coverage
B
Given the following code, which is true: IF A > B THEN C = A - B ELSE C = A + B ENDIF Read D IF C = D Then Print "Error" ENDIF a)1 test for statement coverage, 3 for branch coverage b)2 tests for statement coverage, 2 for branch coverage c)2 tests for statement coverage. 3 for branch coverage d)3 tests for statement coverage, 3 for branch coverage e)3 tests for statement coverage, 2 for branch coverage
B
Alpha testing is: a)post-release testing by end user representatives at the developer's site. b)the first testing that is performed. c)pre-release testing by end user representatives at the developer's site. d)pre-release testing by end user representatives at their sites.
C
An incident logging system a)only records defects b)is of limited value c)is a valuable source of project information during testing if it contains all incidents d) should be used only by the test team
C
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.
C
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 control w-test monitoring x.test estimation y.incident management z.configuration control 1-calculation of required test resources 2-maintenance of record of test results 3-re-allocation of resources when tests overrun 4-report on deviation from test plan 5-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
C
If the pseudocode below were a programming language, how many tests are required to achieve 100% statement coverage? 1.If x=3 then 2.Display_messageX; 3.If y=2 then 4.Display_messageY; 5.Else 6.Display_messageZ; 7.Else 8.Display_messageZ; a.1 b.2 c.3 d.4
C
In a system designed to work out the tax to be paid: An employee has £4000 of salary tax free. The next £1500 is taxed at 10% The next £28000 is taxed at 22% Any further amount is taxed at 40% To the nearest whole pound, which of these is a valid Boundary Value Analysis test case? a)£1500 b)£32001 c)£33501 d)£28000
C
Order numbers on a stock control system can range between 10000 and 99999 inclusive. Which of the following inputs might be a result of designing tests for only valid equivalence classes and valid boundaries: a)1000, 5000, 99999 b)9999, 50000, 100000 c)10000, 50000, 99999 d)10000, 99999 e)9999, 10000, 50000, 99999, 10000
C
Regression testing should be performed: v)every week w)after the software has changed x)as often as possible y)when the environment has changed z)when the project manager says a)v & w are true, x - z are false b)w, x & y are true, v & z are false c)w & y are true, v, x & z are false d)w is true, v, x y and z are false e)all of the above are true
C
Static analysis is best described as: a)the analysis of batch programs. b)the reviewing of test plans. c)the analysis of program code. d)the use of black box testing.
C
Test managers should not: a)report on deviations from the project plan b)sign the system off for release c)re-allocate resource to meet original plans d)raise incidents on faults that they have found e)provide information for risk analysis and quality improvement
C
The later in the development life cycle a fault is discovered, the more expensive it is to fix. why? a)the documentation is poor,so it takes longer to find out what the software is doing. b)wages are rising c)the fault has been built into more documentation,code,tests, etc d)none of the above
C
The most important thing about early test design is that it: a)makes test preparation easier. b)means inspections are not required. c)can prevent fault multiplication. d)will find all faults.
C
The place to start if you want a (new) test tool is: a) Attend a tool exhibition b) Invite a vendor to give a demo c) Analyse your needs and requirements d) Find out what your budget would be for the tool e) Search the internet
C
Using the same code example as question 17, how many tests are required to achieve 100% branch/decision coverage? a)1 b)2 c)3 d)4
C
What can static analysis NOT find? a)The use of a variable before it has been defined b)Unreachable ("dead") code c)Whether the value stored in a variable is correct d)The re-definition of a variable before it has been used e)Array bound violations
C
When should you stop testing? a)when time for testing has run out. b)when all planned tests have been run c)when the test completion criteria have been met d)when no faults have been found by the tests run
C
When what is visible to end-users is a deviation from the specific or expected behavior, this is called: a)an error b)a fault c)a failure d)a defect e)a mistake
C
Which of the following is NOT a black box technique: a) Equivalence partitioning b) State transition testing c) LCSAJ d) Syntax testing e) Boundary value analysis
C
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
C
Which of the following is not part of performance testing: a)Measuring response time b)Measuring transaction rates c)Recovery testing d)Simulating many users e)Generating many transactions
C
Which of the following is the best source of Expected Outcomes for User Acceptance Test scripts? a)Actual results b)Program specification c)User requirements d)System specification
C
Which of the following is the main purpose of the integration strategy for integration testing in the small? a)to ensure that all of the small modules are tested adequately b)to ensure that the system interfaces to other systems and networks c)to specify which modules to combine when and how many at once d)to ensure that the integration testing can be performed by a small team e)to specify how the software should be divided into modules
C
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.
C
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
C
Which one of the following describes the major benefit of verification early in the life cycle? a)It allows the identification of changes in user requirements. b)It facilitates timely set up of the test environment. c)It reduces defect multiplication. d)It allows testers to become involved early in the project.
C
which of the following statements are true? a)Faults in program specifications are the most expensive to fix b)Faults in code are the most expensive to fix c)Faults in requirements are the most expensive to fix d)Faults in designs are the most expensive to fix
C
which of the following statements is not true a)performance testing can be done during unit testing as well as during the testing of whole system b)The acceptance test does not necessarily include a regression test c)Verification activities should not involve testers (reviews, inspections etc) d)Test environments should be as similar to production environments as possible
C
A test design technique is a)a process for selecting test cases b)a process for determining expected outputs c)a way to measure the quality of software d)a way to measure in a test plan what has to be done
A
A typical commercial test execution tool would be able to perform all of the following EXCEPT: a)generating expected outputs b)replaying inputs according to a programmed script c)comparison of expected outcomes with actual outcomes d)recording test inputs e)reading test values from a data file
A
An important benefit of code inspections is that they: a)enable the code to be tested before the execution environment is ready. b)can be performed by the person who wrote the code. c)can be performed by inexperienced staff. d)are cheap to perform.
A
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" ELSE Say:That will be £19:50" ENDIF ELSE Say:That will be £9:75" ENDIF Now decide the minimum number of tests that are needed to ensure that all the questions have been asked, all combinations have occurred and all replies given. a)3 b)4 c)5 d)6
A
Beta testing is: a)Performed by customers at their own site b)Performed by customers at their software developer's site c)Performed by an independent test team d)Useful to test bespoke software e)Performed as early as possible in the lifecycle
A
Consider the following statements about early test design: i.early test design can prevent fault multiplication ii.faults found during early test design are more expensive to fix iii.early test design can find faults iv.early test design can cause changes to the requirements v.early test design takes more effort a)i, iii & iv are true. ii & v are false b)iii is true, I, ii, iv & v are false c)iii & iv are true. i, ii & v are false d)i, iii, iv & v are true, ii us false e)i & iii are true, ii, iv & v are false
A
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.
A
In a REACTIVE approach to testing when would you expect the bulk of the test design work to be begun? A)After the software or system has been produced. B)During development. C)As early as possible. D)During requirements analysis.
A
In which order should tests be run? a)the most important tests first b)the most difficult tests first(to allow maximum time for fixing) c)the easiest tests first(to give initial confidence) d)the order they are thought of
A
Increasing the quality of the software, by better development methods, will affect the time needed for testing (the test phases) by: a)reducing test time b)no change c)increasing test time d)can't say
A
Testware(test cases, test dataset) a)needs configuration management just like requirements, design and code b)should be newly constructed for each new version of the software c)is needed only until the software is released into production or use d)does not need to be documented and commented, as it does not form part of the released software system
A
The difference between re-testing and regression testing is a)re-testing is running a test again; regression testing looks for unexpected side effects b)re-testing looks for unexpected side effects; regression testing is repeating those tests c)re-testing is done after faults are fixed; regression testing is done earlier d)re-testing uses different environments, regression testing uses the same environment e)re-testing is done by developers, regression testing is done by independent testers
A
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.
A
What information need not be included in a test incident report: a)how to fix the fault b)how to reproduce the fault c)test environment details d)severity, priority e)the actual and expected outcomes
A
What statement about expected outcomes is FALSE: a)expected outcomes are defined by the software's behaviour b)expected outcomes are derived from a specification, not from the code c)expected outcomes include outputs to a screen and changes to files and databases d) expected outcomes should be predicted before a test is run e)expected outcomes may include timing constraints such as response times
A
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
A
Which of the following is NOT a type of non-functional test? a)State-Transition b)Usability c)Performance d)Security
A
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.
A
Which of the following is a form of functional testing? a)Boundary value analysis b)Usability testing c)Performance testing d)Security testing
A
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.
A
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
A
Which of the following statements about the component testing standard is false: a) black box design techniques all have an associated measurement technique b) white box design techniques all have an associated measurement technique c) cyclomatic complexity is not a test measurement technique d) black box measurement techniques all have an associated test design technique e) white box measurement techniques all have an associated test design technique
A
A tool that supports traceability, recording of incidents or scheduling of tests is called: a)a dynamic analysis tool b)a test execution tool c)a debugging tool d)a test management tool e)a configuration management tool
D
Could reviews or inspections be considered part of testing: a)No, because they apply to development documentation b)No, because they are normally applied before testing c)No, because they do not apply to the test documentation d)Yes, because both help detect faults and improve quality e)Yes, because testing includes all non-constructive activities
D
Expected results are: a)only important in system testing b)only used in component testing c)never specified in advance d)most useful when specified in advance e)derived from the code
D
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
D
In a system designed to work out the tax to be paid: An employee has £4000 of salary tax free. The next £1500 is taxed at 10% The next £28000 is taxed at 22% Any further amount is taxed at 40% Which of these groups of numbers would fall into the same equivalence class? a)£4800; £14000; £28000 b)£5200; £5500; £28000 c)£28001; £32000; £35000 d)£5800; £28000; £32000
D
Software testing activities should start a)as soon as the code is written b)during the design stage c)when the requirements have been formally documented d)as soon as possible in the development life cycle
D
Test cases are designed during: a)test recording. b)test planning. c)test configuration. d)test specification.
D
The main focus of acceptance testing is: a) finding faults in the system b) ensuring that the system is acceptable to all users c) testing the system with other systems d) testing for a business perspective e) testing by an independent test team
D
What is the main difference between a walkthrough and an inspection? a)An inspection is lead by the author, whilst a walkthrough is lead by a trained moderator. b)An inspection has a trained leader, whilst a walkthrough has no leader. c)Authors are not present during inspections, whilst they are during walkthroughs. d)A walkthrough is lead by the author, whilst an inspection is lead by a trained moderator.
D
What is the main reason for testing software before releasing it? a)to show that system will work after release b)to decide when the software is of sufficient quality to release c)to find as many bugs as possible before release d)to give information for a risk based decision about release
D
When reporting faults found to developers, testers should be: a)as polite, constructive and helpful as possible b)firm about insisting that a bug is not a "feature" if it should be fixed c)diplomatic, sensitive to the way they may react to criticism d)All of the above
D
Which of the following is NOT a white box technique? a)Statement testing b)Path testing c)Data flow testing d)State transition testing
D
Which of the following is NOT included in the Test Plan document of the Test Documentation Standard: a)Test items (i.e. software versions) b)What is not to be tested c)Test environments d)Quality plans e)Schedules and deadlines
D
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.
D
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.
D
Which of the following statements about reviews is true? a)Reviews cannot be performed on user requirements specifications. b)Reviews are the least effective way of testing code. c)Reviews are unlikely to find faults in test plans. d)Reviews should be performed on specifications, code, and test plans.
D
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.
D
Which of the following statements is NOT true: a)inspection is the most formal review process b)inspections should be led by a trained leader c)managers can perform inspections on management documents d)inspection is appropriate even when there are no written documents e)inspection compares documents with predecessor (source) documents
D
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.
D
A configuration management system would NOT normally provide: a)linkage of customer requirements to version numbers. b)facilities to compare test results with expected results. c)the precise differences in versions of software component source code. d)restricted access to the source code library.
B
Given the following types of tool, which tools would typically be used by developers and which by an independent test team: i.static analysis ii.performance testing iii.test management iv.dynamic analysis v.test running vi.test data preparation a)developers would typically use i, iv and vi; test team ii, iii and v b)developers would typically use i and iv; test team ii, iii, v and vi c)developers would typically use i, ii, iii and iv; test team v and vi d)developers would typically use ii, iv and vi; test team I, ii and v e)developers would typically use i, iii, iv and v; test team ii and vi
B
Given the following: Switch PC on Start "outlook" IF outlook appears THEN Send an email Close outlook a)1 test for statement coverage, 1 for branch coverage b)1 test for statement coverage, 2 for branch coverage c)1 test for statement coverage. 3 for branch coverage d)2 tests for statement coverage, 2 for branch coverage e)2 tests for statement coverage, 3 for branch coverage
B
Integration testing in the small: a)tests the individual components that have been developed. b)tests interactions between modules or subsystems. c)only uses components that form part of the live system. d)tests interfaces to other systems.
B
Non-functional system testing includes: a)testing to see where the system does not function properly b)testing quality attributes of the system including performance and usability c)testing a system feature using only the software required for that action d)testing a system feature using only the software required for that function e)testing for functions that should not exist
B
The cost of fixing a fault: a)Is not important b)Increases as we move the product towards live use c)Decreases as we move the product towards live use d)Is more expensive if found in requirements than functional design e)Can never be determined
B
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.
B
The standard that gives definitions of testing terms is: a)ISO/IEC 12207 b)BS7925-1 c)BS7925-2 d)ANSI/IEEE 829 e)ANSI/IEEE 729
B
What is the important criterion in deciding what testing technique to use? a)how well you know a particular technique b)the objective of the test c)how appropriate the technique is for testing the application d)whether there is a tool to support the technique
B
When a new testing tool is purchased, it should be used first by: a) A small team to establish the best way to use the tool b) Everyone who may eventually have some use for the tool c) The independent testing team d) The managers to see what projects it should be used in e) The vendor contractor to write the initial scripts
B
Which expression best matches the following characteristics or review processes: 1.led by author 2.undocumented 3.no management participation 4.led by a trained moderator or leader 5.uses entry exit criteria s)inspection t)peer review u)informal review v)walkthrough a)s = 4, t = 3, u = 2 and 5, v = 1 b)s = 4 and 5, t = 3, u = 2, v = 1 c)s = 1 and 5, t = 3, u = 2, v = 4 d)s = 5, t = 4, u = 3, v = 1 and 2 e)s = 4 and 5, t = 1, u = 2, v = 3
B
Which is not true-The black box tester a)should be able to understand a functional specification or requirements document b)should be able to understand the source code. c)is highly motivated to find faults d) is creative to find the system's weaknesses
B
Which of the following is NOT part of configuration management: a) status accounting of configuration items b) auditing conformance to ISO9001 c) identification of test versions d) record of changes to documentation over time e) controlled library access
B
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.
B
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.
B
Which of the following is true? a)Component testing should be black box, system testing should be white box. b)if u find a lot of bugs in testing, you should not be very confident about the quality of software c)the fewer bugs you find,the better your testing was d)the more tests you run, the more bugs you will find
B
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
B
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.
B
Consider the following: Pick up and read the newspaper Look at what is on television If there is a program that you are interested in watching then switch the television on and watch the program Otherwise Continue reading the newspaper If there is a crossword in the newspaper then try and complete the crossword a)SC = 1 and DC = 1 b)SC = 1 and DC = 2 c)SC = 1 and DC = 3 d)SC = 2 and DC = 2 e)SC = 2 and DC = 3
E
IEEE 829 test plan documentation standard contains all of the following except: a) test items b) test deliverables c) test tasks d) test environment e) test specification
E
Testing should be stopped when: a)all the planned tests have been run b)time has run out c)all faults have been fixed correctly d)both a) and c) e)it depends on the risks for the system being tested
E
Unreachable code would best be found using: a)code reviews b)code inspections c)a coverage tool d)a test management tool e) a static analysis tool
E
What is the purpose of test completion criteria in a test plan: a)to know when a specific test has finished its execution b)to ensure that the test case specification is complete c)to set the criteria used in generating test inputs d)to know when test planning is complete e)to plan when to stop testing
E
Which of the following is NOT part of system testing: a)business process-based testing b)performance, load and stress testing c)requirements-based testing d)usability testing e)top-down integration testing
E
