ISTQB.txt

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    MCSimple Testing should be stopped when: All the planned tests have been run Time has run out All faults have been fixed correctly I depends on the risks for the system being tested

    MC Complex Which of the following is the main purpose of the integration strategy forintegration testing in the small? To ensure that all of the small modules are tested adequately To ensure that the system interfaces to other systems and networks To specify which modules to combine when and how many at once To ensure that the integration testing can be performed by a small team

    MCSimple Which of the following is NOT part of configuration management: Status accounting of configuration items Auditing conformance to ISO9001 Identification of test versions Record of changes to documentation over time

    MCSimple In software quality assurance work there is no difference between software verification and software validation.TrueFalse

    MCMedium Class testing of object-oriented software is equivalent to unit testing fortraditional software.True

    False

    MCSimple Regression testing should be performed:v) Every weekw) After the software has changedx) As often as possibley) When the environment has changedz) Wwhen the project manager says v & w are true, x z are false w, x & y are true, v & z are false w & y are true, v, x & z are false

    w is true, v, x y and z are false

    MCSimple A tool that supports traceability, recording of incidents or scheduling of tests iscalled: A dynamic analysis tool A test execution tool A debugging tool

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    A configuration management tool

    MCSimple The cost of fixing a fault: Is not important Increases as we move the product towards live use Decreases as we move the product towards live use Is more expensive if found in requirements than functional design

    MCSimple Order numbers on a stock control system can range between 10000 and 99999inclusive. Which of the following inputs might be a result of designing tests for onlyvalid equivalence classes and valid boundaries: 1000, 5000, 99999 9999, 50000, 100000 10000, 50000, 99999 9999, 10000, 50000, 99999, 10000

    MCSimple When what is visible to end-users is a deviation from the specific or expect

    edbehavior, this is called: An error A fault A failure A defect

    MCComplex Which expression best matches the following characteristics or reviewprocesses:1. Led by author2. Undocumented

    3. No management participation4. Led by a trained moderator or leader5. Uses entry exit criterias) Inspectiont) Peer reviewu) Informal reviewv) Walkthrough s = 4, t = 3, u = 2 and 5, v = 1 s = 4 and 5, t = 3, u = 2, v = 1 s = 1 and 5, t = 3, u = 2, v = 4 s = 5, t = 4, u = 3, v = 1 and 2

    MC

    Complex Given the following:Switch PC onStart "outlook"IF outlook appears THENSend an emailClose outlook 1 test for statement coverage, 1 for branch coverage 1 test for statement coverage, 2 for branch coverage 1 test for statement coverage. 3 for branch coverage

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    2 tests for statement coverage, 2 for branch coverage

    MCSimple By collecting software metrics and making use of existing software reliability models it is possible to develop meaningful guidelines for determining when software testing is finished.TrueFalse

    MCSimple Drivers and stubs are not needed for unit testing because the modules are tested independently of one another.TrueFalse

    MCSimple Test managers should not: Report on deviations from the project plan Sign the system off for release Re-allocate resource to meet original plans

    Rise incidents on faults that they have found

    MCSimple Which of the following is NOT part of system testing: Performance, load and stress testing Requirements-based testing Usability testing Top-down integration testing

    MCSimple When a new testing tool is purchased, it should be used first by:

    A small team to establish the best way to use the tool Everyone who may eventually have some use for the tool The independent testing team The managers to see what projects it should be used in

    MCSimple Which of the following is not part of performance testing: Measuring response time Measuring transaction rates Recovery testing Simulating many users

    MC Medium What is the purpose of test completion criteria in a test plan: To know when a specific test has finished its execution To ensure that the test case specification is complete To know when test planning is complete To plan when to stop testing

    MCComplex

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    Given the following code, which is true:IF A > B THENC = A BELSEC = A + BENDIFRead DIF C = D ThenPrint "Error"ENDIF 1 test for statement coverage, 3 for branch coverage 2 tests for statement coverage, 2 for branch coverage 2 tests for statement coverage. 3 for branch coverage 3 tests for statement coverage, 3 for branch coverage

    MCSimple Unreachable code would best be found using: Code reviews Code inspections A coverage tool A test management tool

    MC

    Medium What information need not be included in a test incident report: How to fix the fault How to reproduce the fault Test environment details Severity, priority

    MCSimple Which of the following is NOT included in the Test Plan document of the TestDocumentation Standard: Test items (i.e. software versions) What is not to be tested

    Test environments Quality plans

    MCComplex IEEE 829 test plan documentation standard contains all of the following except: Test deliverables Test tasks Test environment Test specification

    MC

    Simple Functional testing is mostly Validation techniques Verification techniques Both of the above None of the above

    MCSimple Performance testing is only important for real-time or embedded systems.

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    TrueFalse

    MCSimple Debugging is not testing, but always occurs as a consequence of testing.TrueFalse

    MCSimple Branch Coverage Another name for decision coverage Another name for all-edges coverage Another name for basic path coverage All the above

    MC Medium The _________ Is the activity where general testing objectives are transformedinto tangible test conditions and test designs Testing Planning Test Control

    Test analysis and design Test implementation

    MCSimple Integration testing where no incremental testing takes place prior to all thesystems components being combined to form the system. System testing Component Testing Incremental Testing Big bang testing

    MCSimple A test case design technique for a component in which test cases are designedto execute statements is called as? State transition Testing Static Testing Transition testing Statement testing

    MCComplex Who should have technical and Business background.

    Moderator Author Reviewer Recorder

    MCSimple A test plan defines What is selected for testing Objectives and results

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    Expected results Targets and misses

    MCSimple Component integration testing can be done Before Integration testing After unit testing After component testing After system testing

    MC Medium Test basis documentation is analyzed in which phase of testing Test Analysis Test Design Test Execution Test Planning

    MCSimple Software validation is achieved through a series of tests performed by the user once the software is deployed in his or her work environment.True

    False

    MCSimple Configuration reviews are not needed if regression testing has been rigorously applied during software integration.TrueFalse

    MCComplex Which one is not the task of test leader? Coordinate the test strategy and plan with project managers and others

    Decide about the implementation of the test environment Write test summary reports Review and contribute to test plans

    MCSimple if (condition1 && (condition2 function1()))statement1;elsestatement2; Decision coverage Condition coverage Statement coverage

    Path Coverage

    MC Medium _________ reviews are often held with just the programmer who wrote thecode and one or two other programmers or testers. Formal Reviews Peer Reviews Semi Formal Reviews All of the above

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    MCSimple In ________ testing test cases i.e input to the software are created based onthe specifications languages State Transition Testing Random Testing Syntax Testing Penetration testing

    MCSimple White Box Testing Same as glass box testing Same as clear box testing Both A. and B. None of the above.

    MC Medium Verification activities during design stages are Reviewing and Inspecting Inspecting and Testing

    Reviewing and Testing Reviewing, Inspecting and Testing.

    MCSimple Equivalence testing divides the input domain into classes of data from whichtest cases can be derived to reduce the total number of test cases that must bedeveloped. True False

    MC

    Simple Boundary value analysis can only be used to do white-box testing. True False

    MCSimple Equivalence partitioning consists of various activities: Ensure that test cases test each input and output equivalence class at least once Identify all inputs and all outputs Identify equivalence classes for each input All of the above

    MCSimple Static Analysis Same as static testing Done by the developers Both A. and B None of the above

    MC

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    Medium Size of a project is defined in terms of all the following except Person days Person hours Calendar months None of the above

    MCComplex Testing responsibilities:Tester 1 Verify that the program is able to display images clearly on all 10 ofthe monitorsin the labTester 2 - Make sure the program instructions are easy to use Security concernsareimportant for which type of applicationsTester 3 Verify that the calculation module works correctly by using both scripts and adhoc testing. Which term is used to refer to the testing that is performed byTester 3 in the above scenario? Unit testing Algorithm specific testing Compatibility testing Black box testing

    MC Medium Objective of review meeting is To identify problems with design To solve the problems with design Both A. and B None of the above.

    MCSimple Which is not the fundamental test process Planning and control

    Test closure activities Analysis and design None

    MCSimple The ________ and ________ are used within individual workbenches to producethe right output products. Tools and techniques Procedures and standards Processes and walkthroughs Reviews and update

    MCSimple Which is not the software characteristics Reliability Usability Scalability Maintainability

    MCSimple

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    The principle of Cyclomatic complexity, considering L as edges or links, N asnodes, P as independent paths L-N +2P N-L +2P N-L +P N-L +P

    MCSimple With thorough testing it is possible to remove all defects from a program prior to delivery to the customer. True False

    MCSimple Program flow graphs are identical to program flowcharts. True False

    MCComplex FPA is used to

    To measure the functional requirements of the project To measure the size of the functionality of an Information system To measure the functional testing effort To measure the functional flow

    MCSimple A _____ is the step-by-step method followed to ensure that standards are met SDLC Project Plan Policy Procedure

    MCComplex Which is not a test Oracle The existing system (For a bench mark) The code Individuals knowledge User manual

    MCSimple PDCA is known as Plan, Do, Check, Act Plan, Do, Correct, Act

    Plan, Debug, Check, Act Plan, Do, Check, Accept

    MCSimple Which is the non-functional testing Performance testing Unit testing Regression testing Sanity testing

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    MCComplex A Test Plan Outline contains which of the following:i. Test Itemsii. Test Scriptsiii. Test Deliverablesiv. Responsibilities i,ii,iii are true and iv is false i,iii,iv are true and ii is false ii,iii are true and i and iv are false i,ii are false and iii , iv are true

    MCMedium Software testing activities should start as soon as the code is written during the design stage when the requirements have been formally documented as soon as possible in the development life cycle

    MCMedium Faults found by users are due to:

    Poor quality software Poor software and poor testing bad luck insufficient time for testing

    MCMedium What is the main reason for testing software before releasing it? to show that system will work after release to decide when the software is of sufficient quality to release to find as many bugs as possible before release to give information for a risk based decision about release

    MCComplex which of the following statements is not true performance testing can be done during unit testing as well as during the testing of whole system The acceptance test does not necessarily include a regression test Verification activities should not involve testers (reviews, inspections etc) Test environments should be as similar to production environments as possible

    MCSimple

    When reporting faults found to developers, testers should be: as polite, constructive and helpful as possible firm about insisting that a bug is not a feature if it should be fixed diplomatic, sensitive to the way they may react to criticism All of the above

    MCSimple In which order should tests be run? the most important tests first

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    the most difficult tests first(to allow maximum time for fixing) the easiest tests first(to give initial confidence) the order they are thought of

    MCMedium The later in the development life cycle a fault is discovered, the more expensive it is to fix. why? the documentation is poor, so it takes longer to find out what the softwareis doing. wages are rising the fault has been built into more documentation,code,tests, etc none of the above

    MCSimple Which is not true-The black box tester should be able to understand a functional specification or requirements document should be able to understand the source code. is highly motivated to find faults is creative to find the systems weaknesses

    MC

    Simple A test design technique is a process for selecting test cases a process for determining expected outputs a way to measure the quality of software a way to measure in a test plan what has to be done

    MCComplex Testware(test cases, test dataset) needs configuration management just like requirements, design and code should be newly constructed for each new version of the software is needed only until the software is released into production or use

    does not need to be documented and commented, as it does not form part of the releasedsoftware system

    MCSimple An incident logging system only records defects is of limited value is a valuable source of project information during testing if it contains all incidents should be used only by the test team.

    MCSimple Increasing the quality of the software, by better development methods, willaffect the time needed for testing (the test phases) by: reducing test time no change increasing test time cant say

    MC

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    Simple Coverage measurement is nothing to do with testing is a partial measure of test thoroughness branch coverage should be mandatory for all software can only be applied at unit or module testing, not at system testing

    MCMedium When should you stop testing? when time for testing has run out. when all planned tests have been run when the test completion criteria have been met when no faults have been found by the tests run

    MCSimple Which of the following is true? Component testing should be black box, system testing should be white box. if u find a lot of bugs in testing, you should not be very confident aboutthe quality of software the fewer bugs you find,the better your testing was the more tests you run, the more bugs you will find.

    MCComplex What is the important criterion in deciding what testing technique to use? how well you know a particular technique the objective of the test how appropriate the technique is for testing the application whether there is a tool to support the technique

    MCComplex If the pseudo code below were a programming language ,how many tests are required to achieve 100% statement coverage?

    1.If x=3 then2. Display_messageX;3. If y=2 then4. Display_messageY;5. Else6. Display_messageZ;7.Else8. Display_messageZ;

    1 2 3 4

    MCMedium Using the same code example as question 17,how many tests are required to achieve 100% branch/decision coverage? 1 2 3 4

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    MCMedium Which of the following is NOT a type of non-functional test? State-Transition Usability Performance Security

    MCSimple Which of the following tools would you use to detect a memory leak? State analysis Coverage analysis Dynamic analysis Memory analysis

    MCMedium Which of the following is NOT a standard related to testing? IEEE829 IEEE610 BS7925-1 BS7925-2

    MCMedium which of the following is the component test standard? IEEE 829 IEEE 610 BS7925-1 BS7925-2

    MCMedium which of the following statements are true? Faults in program specifications are the most expensive to fix. Faults in code are the most expensive to fix.

    Faults in requirements are the most expensive to fix Faults in designs are the most expensive to fix.

    MCSimple Which of the following is not the integration strategy? Design based Big-bang Bottom-up Top-down

    MCSimple

    Which of the following is a black box design technique? statement testing equivalence partitioning error- guessing usability testing

    MCMedium A program with high cyclometic complexity is almost likely to be: Large

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    Small Difficult to write Difficult to test

    MCMedium Which of the following is a static test? code inspection coverage analysis usability assessment installation test

    MCSimple Which of the following is the odd one out? white box glass box structural functional

    MCMedium A program validates a numeric field as follows:values less than 10 are rejected, values between 10 and 21 are accepted, values

    greater than or equal to 22 are rejectedwhich of the following input values cover all of the equivalence partitions? 10,11,21 3,20,21 3,15,22 10,21,22

    MCMedium A program validates a numeric field as follows:values less than 10 are rejected, values between 10 and 21 are accepted, values greater than or equal to 22 are rejectedwhich of the following covers the MOST boundary values?

    9,10,11,22 9,10,21,22 10,11,21,22 10,11,20,21

    MC Medium We split testing into distinct stages primarily because: Each test stage has a different purpose. It is easier to manage testing in stages. We can run different tests in different environments. The more stages we have, the better the testing.

    MC Medium Which of the following is likely to benefit most from the use of test toolsproviding test capture and replay facilities? Regression testing Integration testing System testing User acceptance testing

    MC

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    ComplexWhich of the following statements is NOT correct? A minimal test set that achieves 100% LCSAJ coverage will also achieve 100%branch coverage. A minimal test set that achieves 100% path coverage will also achieve 100%statement coverage. A minimal test set that achieves 100% path coverage will generally detect more faults than one that achieves 100% statement coverage. A minimal test set that achieves 100% statement coverage will generally detect more faults than one that achieves 100% branch coverage.

    MCSimple When testing object-oriented software it is important to test each class operation separately as part of the unit testing process.TrueFalse

    MCSimple The focus of validation testing is to uncover places that a user will be able to observe failure of the software to conform to its requirements.True

    False

    MCSimpleWhich of the following requirements is testable?The system shall be user friendly.The safety-critical parts of the system shall contain 0 faults.The response time shall be less than one second for the specified design load.The system shall be built to be portable.

    MC Medium Error guessing: supplements formal test design techniques. can only be used in component, integration and system testing. is only performed in user acceptance testing. is not repeatable and should not be used.

    MC Medium Which of the following is NOT true of test coverage criteria? Test coverage criteria can be measured in terms of items exercised by a testsuite.

    A measure of test coverage criteria is the percentage of user requirements covered.A measure of test coverage criteria is the percentage of faults found. Test coverage criteria are often used when specifying test completion criteria.

    MC Medium In prioritizing what to test, the most important objective is to: find as many faults as possible.

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    test high risk areas. obtain good test coverage. test whatever is easiest to test.

    MCComplex 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 v-3,w-2,x-1,y-5,z-4 v-2,w-5,x-1,y-4,z-3v-3,w-4,x-1,y-5,z-2 v-2,w-1,x-4,y-3,z-5

    MC

    Medium Which one of the following statements about system testing is NOT true? System tests are often performed by independent teams. Functional testing is used more than structural testing. Faults found during system tests can be very expensive to fix.End-users should be involved in system tests.

    MCSimple Which of the following is false?Incidents should always be fixed. An incident occurs when expected and actual results differ. Incidents can be analysed to assist in test process improvement.

    An incident can be raised against documentation.

    MC Medium Enough testing has been performed when: time runs out.the required level of confidence has been achieved. no more faults are found. the users wont find any serious faults.

    MC Medium Which of the following is NOT true of incidents?

    Incident resolution is the responsibility of the author of the software under test. Incidents may be raised against user requirements. Incidents require investigation and/or correction. Incidents are raised when expected and actual results differ.

    MCSimple Graph-based testing methods can only be used for object-oriented systems

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    True False

    MCSimple Use-cases can provide useful input into the design of black-box and state-based tests of OO software. True False

    MRSimpleWhich of the following is not described in a unit test standard? security testing equivalence partitioningstress testingmodified condition/decision coverage

    MC Medium Which of the following is false?

    In a system two different failures may have different severities.A system is necessarily more reliable after debugging for the removal of a fault. A fault need not affect the reliability of a system. Undetected errors may lead to faults and eventually to incorrect behaviour.

    MC Medium Which one of the following statements, about capture-replay tools, is NOT correct? They are used to support multi-user testing.They are used to capture and animate user requirements.

    They are the most frequently purchased types of CAST tool. They capture aspects of user behavior.

    MR Medium How would you estimate the amount of re-testing likely to be required?Metrics from previous similar projectsDiscussions with the development team Time allocated for regression testing None of these

    MCSimple

    Which of the following is true of the V-model? It states that modules are tested against user requirements. It only models the testing phase. It specifies the test techniques to be used.It includes the verification of designs.

    MCComplex The oracle assumption: is that there is some existing system against which test output may be che

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    cked.is that the tester can routinely identify the correct outcome of a test. is that the tester knows everything about the software under test. is that the tests are reviewed by experienced testers.

    MC Medium Which of the following characterizes the cost of faults?They are cheapest to find in the early development phases and the most expensive to fix in the latest test phases. They are easiest to find during system testing but the most expensive to fix then. Faults are cheapest to find in the early development phases but the most expensive to fix then. Although faults are most expensive to find during early development phases, they are cheapest to fix then.

    MCSimple Recovery testing is a system test that forces the software to fail in a variety of ways and verifies that software is able to continue execution without interruption.True

    False

    MCSimple Security testing attempts to verify that protection mechanisms built into asystem protect it from improper penetration.TrueFalse

    MC MediumWhich of the following should NOT normally be an objective for a test? To find faults in the software.

    To assess whether the software is ready for release. To demonstrate that the software doesnt work.To prove that the software is correct.

    MR MediumWhich of the following is a form of functional testing?Boundary value analysisUsability testingPerformance testing State Transition

    MR

    SimpleWhich of the following would NOT normally form part of a test plan? Features to be testedIncident reportsRisks BugReport

    MC Medium Which of these activities provides the biggest potential cost saving from th

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    e use of CAST? Test management Test designTest execution Test planning

    MC Medium Which of the following is NOT a white box technique? Statement testing Path testing Data flow testingState transition testing

    MCSimple Data flow analysis studies: possible communications bottlenecks in a program. the rate of change of data values as a program executes.the use of data on paths through the code. the intrinsic complexity of the code.

    MC

    Complex 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? 1500 3200133501 28000

    MC

    Medium An important benefit of code inspections is that they:enable the code to be tested before the execution environment is ready. can be performed by the person who wrote the code. can be performed by inexperienced staff. are cheap to perform.

    MC Medium Which of the following is the best source of Expected Outcomes for User Acceptance Test scripts? Actual results Program specification

    User requirements System specification

    MCSimple Stress testing examines the pressures placed on the user during system use in extreme environments.TrueFalse

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    MCSimple The software tester may or may not be involved in the actual acceptance testing True False

    MC Medium What is the main difference between a walkthrough and an inspection? An inspection is lead by the author, whilst a walkthrough is lead by a trained moderator. An inspection has a trained leader, whilst a walkthrough has no leader. Authors are not present during inspections, whilst they are during walkthroughs.A walkthrough is lead by the author, whilst an inspection is lead by a trained moderator.

    MC Medium Which one of the following describes the major benefit of verification earlyin the life cycle? It allows the identification of changes in user requirements. It facilitates timely set up of the test environment.

    It reduces defect multiplication. It allows testers to become involved early in the project.

    MCSimple Integration testing in the small: tests the individual components that have been developed.tests interactions between modules or subsystems.only uses components that form part of the live system.tests interfaces to other systems.

    MC Medium

    Static analysis is best described as:the analysis of batch programs.the reviewing of test plans.the analysis of program code.the use of black box testing.

    MC Medium Alpha testing is:post-release testing by end user representatives at the developers site.the first testing that is performed.pre-release testing by end user representatives at the developers site.pre-release testing by end user representatives at their sites.

    MC Medium A failure is: found in the software; the result of an error. departure from specified behavior. an incorrect step, process or data definition in a computer program.a human action that produces an incorrect result.

    MC

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    Complex 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? 4800; 14000; 28000 5200; 5500; 28000 28001; 32000; 350005800; 28000; 32000

    MC Medium The most important thing about early test design is that it: makes test preparation easier. means inspections are not required. can prevent fault multiplication. will find all faults.

    MC MediumWhich of the following statements about reviews is true? Reviews cannot be performed on user requirements specifications. Reviews are the least effective way of testing code.

    Reviews are unlikely to find faults in test plans. Reviews should be performed on specifications, code, and test plans.

    MCSimple Test cases are designed during: test recording. test planning.test configuration.test specification.

    MC Medium A configuration management system would NOT normally provide: linkage of customer requirements to version numbers.facilities to compare test results with expected results. the precise differences in versions of software component source code. restricted access to the source code library.

    MC Medium A deviation from the specified or expected behavior that is visible to end-users is called: an error

    a faulta failure a defect

    MC Medium Regression testing should be performed:v) every weekw) after the software has changedx) as often as possible

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    y) when the environment has changedz) when the project manager says v & w are true, x, y & z are false w, x & y are true, v & z are falsew & y are true, v, x & z are false w is true, v, x, y & z are false

    MCComplex IEEE 829 test plan documentation standard contains all of the following except test items test deliverables test taskstest specifications

    MCSimple When should testing be stopped? when all the planned tests have been run when time has run out when all faults have been fixed correctlyit depends on the risks for the system being tested

    MC Medium 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 foronly valid equivalence classes and valid boundaries? 1000, 50000, 99999 9999, 50000, 100000 10000, 50000, 9999910000, 99999, 100000

    MC Medium Consider the following statements about early test design:

    i.early test design can prevent fault multiplicationii. faults found during early test design are more expensive to fixiii.early test design can find faultsiv.early test design can cause changes to the requirementsv.early test design normally takes more effort i, iii & iv are true; ii & v are false iii & iv are true; i, ii & v are false i, iii, iv & v are true; ii is false i & ii are true; iii, iv & v are false

    MR Medium Non-functional system testing includes:

    testing to see where the system does not function correctlytesting quality attributes of the system including performance and usability testing a system function using only the software required for that functiontesting the security feature of the product

    MC Medium Which of the following is NOT part of configuration management? auditing conformance to ISO 9000 status accounting of configuration items

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    identification of test versions controlled library access

    MC MediumWhich of the following is the main purpose of the integration strategy for integration testing in the small?to ensure that all of the small modules are tested adequatelyto ensure that the system interfaces to other systems and networksto specify which modules to combine when, and how many at onceto specify how the software should be divided into modules

    MC Medium What is the purpose of a test completion criterion? to know when a specific test has finished its execution to ensure that the test case specification is complete to set the criteria used in generating test inputsto determine when to stop testing

    MC Medium 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. ii is true, i, iii and iv are false i is true, ii, iii and iv are false i and iv are true, ii and iii are false i and ii are true, iii and iv are false