ISTQB-All Chapters Exam3

1. A system for calculation of taxes has the people's age as input. The "Age" field is supposed to accept integer numbers between 18 and 75 (including). Which is the correct result of boundary value analysis? Select one:

17, 18, 75, 76

0, 18, 75, 99

0, 17, 18, 75, 76, 99

17, 18, 19, 50,75, 76

2. Which one is the definition of use case? Select one:

An operation on a system by a user, with no regards to the systems response

A response of on e system to users interaction with other, integrated systems

An description of an environment in which a system needs to operate

A sequence of transactions between a user and a system to achieve a certain goal

3. Which of the following statements is true? Select one:

Regression testing is intended to find side-effects after changes have been applied to the system under test

Regression testing is a technique for system testing and acceptance testing only

Regression testing can be used in any level of testing, but must be done after white-box testing has been finished

Regression testing is an alternative term for re-testing

4. Consider the following excerpt from a defect report, "To recreate the failure we used test file TST_01_TC_16.dat, which is available in the common shared folder." Which incident report objective does this excerpt satisfy? Select one:

Provides test leaders with information to report test progress

Provides ideas for test process improvement

Provides developers with information to isolate the failure

Does not belong in an incident report

5. Which of the following are valid testing principles ? I. Exhaustive testing is in general impossible II. Exhaustive testing should be executed for code intended to be reused III. Testing may guarantee that a program is correct IV. Testing cannot guarantee that a program is correct V. Defects cluster together in certain areas of the product Select one:

I, III

I, IV, V

I, V

II, IV

6. The following open incident report provided: Date : 01.01.01 Description: When pressing the stop button the application status remain in "Attention"instead of "Ready" Severity: High Life cycle: Integration Which of the following details are missing in the giving incident report? I. Identification or configuration of the application II. The name of the developer III. Recommendation of the developer IV. The actions and/or conditions that came before the pressing of the button Select one:

I, II

I, IV

II, III

IV

7. While reporting a defect, which of the following indicates the level of business importance assigned to the defect? Select one:

Priority

Severity

Difficulty

Urgency

8. Which of the following statements correctly characterizes the risk analysis used in testing ? I. The risk level depends on the probability of occurrence of an undesired event. II. The risk level is determined by the probability of occurrence of an undesired event and by its impact. III. Project risks are those that characterize the project ability to achieve its objectives. IV. Product risks are areas of potential failures (i.e. future undesired events ) in the software or system. Select one:

I, II, III

III, IV

I, II

II, III, IV

9. The following program part is given: IF (condition A) or (condition B) Then DO C END IF How many test cases are necessary in order to achieve 100% decision coverage? Select one:

3

2

1

4

10. For withdrawing money from an automated teller machine (ATM), the following conditions are required: - The bank card is valid - The PIN code is correct - Money is available in the users account The following are some possible interactions between the user and the ATM: - The entered card is invalid: The card is rejected - The PIN code is wrong: The ATM asks for another PIN code -The requested amount is more than available in the user's account: The ATM asks for another amount - The requested amount is available in the user's account: The ATM dispense the money Which test design technique should be used to cover all possible combinations of the input conditions? Select one:

Boundary value analysis

Use case based testing

Equivalence class partitioning

Decision table

11. You have to specify test cases based on equivalence partitioning and boundary value analysis for an internet shop selling baby shoes. The shop provides a selection of shoes based on the following input parameters There are 4 different sizes, depending on the age of the baby. The system selects the appropriate size based on the following criteria: 1. 0 < age <= 4 months: size 1 2. 4 < age <= 8 months: size 2 3. 8 < age <= 15 months: size 3 4.15 < age <= 24 months: size 4 The gender of the baby: boy or girl Which of the following statements is true? Select one:

All combinations of valid equivalence classes could be covered with 4 test cases

There are two invalid equivalence classes for the age input parameter

The total number of combinations of valid equivalence classes of age and gender is 8

All valid equivalence classes could be covered with 6 test cases

12. Which of the following coverage criteria results in the highest coverage for state transition based test cases? Select one:

Covering only start and end states

Covering all transitions at least once

Can't be determined

Covering all states at least once

13. Which of the following is correct? Select one:

Intrusive test tools are tools that do not exhibit the probe-effect

Testing tools allow developers do testing. Use of such tools changes the role of the test team

Testing tools can be use by both developers and testers

Use of testing tools is effective only when done as part of a test automation system

14. Which of the following statements is true about the minimum number of test cases required to reach a 100% statement and branch coverage of the piece of program below? Read A Read B If (A+B > 100) then Print "Hello" Endif If (A > 50) then Print "world" Endif Select one:

2 test case for statement coverage; 2 test case for branch coverage

1 test case for statement coverage; 1 test case for branch coverage

1 test case for statement coverage; 2 test case for branch coverage

1 test case for statement coverage; 3 test case for branch coverage

15. When testing a mission critical system a high coverage should be achieved which of the following techniques should be implemented as a structural based coverage technique in order to achieve highest coverage? Select one:

Multiple condition coverage

Decision table

Use case testing

Statement coverage

16. Which are the MAIN goals of risk management in a software project? Select one:

To control contractual problems and minimize the impacts of company policies

To increase the success probability for the project regardless of costs

To increase focus on preventative processes and to increase satisfaction for the testers

To reduce the probability of undesired situations and to reduce the effect of potential impact

17. For which of the following activities is a static analysis tool not useful? Select one:

Analysis of linked web pages

Calculation of complexity of the code

Quantitative analysis related to the tests (e.g tests passed)

Enforcement of coding standards

18. Which of the following statements are correct ? I. System testing is often carried out by an independent test team. II. The main goal in acceptance testing is to find defects III. Component testing may include testing of functionality and non functional characteristics. IV. User acceptance testing typically verifies the fitness for use of the system by business users. V. The environment for system testing should correspond to the production environment. Select one:

II, III, IV

II, III, V

I, III, IV, V

I, II, V

19. Which of the following test types are EXAMPLES of non-functional tests ? I. Acceptance test II. Regression test III.Load test IV.Component test V. Usability test Select one:

I, II and IV

III and V

I, III and V

II, III and V

20. Which ONE of the following statements does NOT describe how testing contributes to higher quality? Select one:

The testing of software demonstrates the absence of defects

Performing a review of the requirement specifications before implementing the system can enhance quality

Properly designed tests that pass reduce the level of risk in a system

Software testing identifies defects, which can be used to improve development activities

21. Load testing tool checks for : Select one:

Monitoring system resources

The amount of testers needed in order to achieve "dead line"

Time response and system breaking point

Correct behavior of the system under test

22. Which testing technique is the most suitable for testing the functionality of a fully computerized elevator ? Select one:

Use case testing

Man machine interface testing

Decision table testing

State Transition Testing

23. Which of the following is NOT an example of dynamic testing? Select one:

Checking memory leaks for a program by executing it

Testing for performance

Coverage analysis

Code inspection

24. Which of the following statements correctly describe black-box testing? Select one:

Test on an individual software component in isolation from other components, to avoid external influence

Test of the interfaces between components and of the interactions with different parts of a system

Tests that investigate the input vs. the output behavior of a software system

25. At which stage of the fundamental test process do testers write the steps of the test procedures? Select one:

Test implementation and execution

Test closure activates

Evaluating exit criteria and reporting

Test planning and control

26. During system testing phase of a word processor, a tester finds that on opening a file from a particular set of files, which are part of a critical workflow, the word processor crashes. Which of the following is the next step the tester should take prior to recording the deviation? Select one:

Perform bug isolation to find the conditions that cause the crash

Report the incident as is without any further action

Try to identify the code fragment causing the problem

Do a root cause analysis

27. Which of the following is the most important task of a typical test leader? Select one:

To set up the test environment

To coordinate the test strategy with project managers

To prepare and acquire test data

To automate tests

28. Testing should provide sufficient information to stakeholders to make informed decisions about the release of the software or system being tested. At which of the following fundamental test processes activity the sufficiency of the testing and the resulting information are assessed? Select one:

Requirements specification

Implementation and execution

Analysis and design

Evaluating exit criteria and reporting

29. Which of the following statements is correct? Select one:

Pair programming is an alternative term for code inspection

Pair programming is done with developer and tester pairing together

Pair programming is, among other things, an informal review method

Pair programming is used usually in water fall model

30. Which of the following is wrong? Select one:

Security tools check for viruses and denial of service attacks

Static analysis tools support developers and testers in finding defects before dynamic testing

Test execution tools generate test inputs or executable tests e.g. from requirements

Monitoring tools provide information that can be used for testing purposes

31. Which of the following statements is LEAST likely to be describing component testing? Select one:

It identifies defects in the functionality of modules, objects and classes

It may be applied using a test-first approach.

It mainly tests interfaces and interactions between components

Simulators and stubs may be required

32. In performance testing, tools can be used to collect metrics. Which statement about monitoring tools is correct? Select one:

They store version information and can be replaced by configuration management tools

They make it possible to observe possible performance problems and give warnings

They supervise the testing effort and report related metrics

They are technical tools a used by developers and not testers

33. Which one of the following statements about independent testing is not correct? Select one:

Independent testing may be performed at any level of testing

Independent testing is often more effective at finding defects and failures

Independent testing is not appropriate for unit testing

Independent testing can be performed by developers with the right mindset

34. Which of the following statements is LEAST likely to be true of non-functional testing? Select one:

It may include testing the ease of modification of systems

It tests "how" the system works

It covers the evaluation of the interaction of various specified components

It may be performed at unit, integration, system and acceptance test levels

35. Given the following two programs: Program X: If A>B then Execute function _A() Else Execute function _B() Endif Execute function _C() Program Y if D > E then Execute function _D() endif Execute function _E() Execute function _F() Which one of the following is an INCORRECT statement about the programs? Select one:

At least 2 test cases are needed to achieve 100% statement coverage of program Y

At least 2 test cases are needed to achieve 100% decision coverage of program X

At least 2 test cases are needed to achieve 100% statement coverage of program X

At least 2 test cases are needed to achieve 100% decision coverage of program Y

36. Four equivalences classes are given for integer value, 0<100<=x<=200, 200<x>=500, Which of the following options represent correct set of data for valid equivalence class partitions? Select one:

50, 100, 250, 1000

50, 100, 200, 1000

0, 50, 100, 150, 200, 350, 500

0, 1, 99, 100, 200, 201, 499, 500

37. Which of the following test execution outcomes are likely to increase the overall quality of the software: I. A test case passes II. A test case fails, defect gets logged which subsequently gets fixed III. Some tests are differed because test environment is not available IV. A bug is found but there is no corresponding test case Select one:

I and II

I, II and III