2018v3.1 – Exam 4 – ISTQB Learning

Created on June 25, 2024 By

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2018v3.1 - Exam 4

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1. Given the following statements about the relationships between software development activities and test activities in the software development lifecycle:

1. Each development activity should have a corresponding testing activity
2. Reviewing should start as soon as final versions of documents become available
3. The design and implementation of tests should start during the corresponding development activity
4. Testing activities should start in the early stages of the software development lifecycle

Which of the following CORRECTLY shows which are true and false?

a) True – 1, 2; False – 3, 4

b) True – 2, 3; False – 1, 4

c) True – 1, 2, 4; False – 3

d) True – 1, 4; False – 2, 3

Select ONE option.

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2. Which of the following statements about test estimation approaches is CORRECT?

a) With the metrics-based approach, the estimate is based on test measures from the project and so this estimate is only available after the testing starts

b) With the expert-based approach, a group of expert users identified by the client recommends the necessary testing budget

c) With the expert-based approach, the test managers responsible for the different testing activities predict the expected testing effort

d) With the metrics-based approach, an average of the testing costs recorded from several past projects is used as the testing budget

Select ONE option.

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3. Consider the following testing activities:

1. Selecting regression tests
2. Evaluating completeness of test execution
3. Identifying which user stories have open defect reports
4. Evaluating whether the number of tests for each requirement is consistent with the level of product risk

Consider the following ways traceability can help testing:

A. Improve understandability of test status reports to include status of test basis items
B. Make testing auditable
C. Provide information to assess process quality
D. Analyze the impact of changes

Which of the following best matches the testing activity with how traceability can assist that activity?

a) 1D, 2B, 3C, 4A

b) 1B, 2D, 3A, 4C

c) 1D, 2C, 3A, 4B

d) 1D, 2B, 3A, 4C

Select ONE option.

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4. A batch application has been in production unchanged for over two years. It runs overnight once a month to produce statements that will be e-mailed to customers. For each customer, the application goes through every account and lists every transaction on that account in the last month. It uses a nested-loop structure to process customers (outer loop), each customer’s accounts (middle loop), and each account’s transactions (inner loop).

One night, the batch application terminates prematurely, failing to e-mail statements to some customers, when it encounters a customer with one account for which no transactions occurred in the last month. This is a very unusual situation and has not occurred in the years since this application was placed in production.

While fixing the defect, a programmer asks you to recommend test techniques that are effective against this kind of defect. Which of the following test techniques would most likely have been able to detect the underlying defect?

a) Decision testing

b) Statement testing

c) Checklist-based testing

d) Error guessing

Select ONE option.

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5. Consider a mobile app that allows customers to access and manage their bank accounts. A user story has just been added to the set of features that checks customers’ social media accounts and bank records to give personalized greetings on birthdays and other personal milestones. Which of the following test techniques could a PROGRAMMER use during a unit test of the code to ensure that coverage of situations when the greetings ARE supposed to occur and when the greetings ARE NOT supposed to occur?

a) Statement testing

b) Exploratory testing

c) State transition testing

d) Decision testing

Select ONE option.

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6. A smart home app measures the average temperature in the house over the previous week and provides feedback to the occupants on their environmental friendliness based on this temperature.

The feedback for different average temperature ranges (to the nearest °C) should be:

Up to 10°C - Icy Cool!
11°C to 15°C - Chilled Out!
16°C to 19°C - Cool Man!
20°C to 22°C - Too Warm!
Above 22°C - Hot & Sweaty!

Using BVA (only Min- and Max values), which of the following sets of test inputs provides the highest level of boundary coverage?

a) 0°C, 11°C, 20°C, 22°C, 23°C

b) 9°C, 15°C, 19°C, 23°C, 100°C

c) 10°C, 16°C, 19°C, 22°C, 23°C

d) 14°C, 15°C, 18°C, 19°C, 21°C, 22°C

Select ONE option.

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7. As a result of risk analysis, more testing is being directed to those areas of the system under test where initial testing found more defects than average.

Which of the following testing principles is being applied?

a) Beware of the pesticide paradox

b) Testing is context dependent

c) Absence-of-errors is a fallacy

d) Defects cluster together

Select ONE option.

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8. Which of the following is a typical objective of testing?

a) To find defects and failures

b) To validate the project plan works as required

c) Ensuring of complete testing

d) Comparing actual results with expected results

Select ONE option.

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9. Given the following state model of a battery charger software:

Which of the following sequences of transitions provides the highest level of transition coverage for the model?

a) OFF → WAIT → OFF → WAIT → TRICKLE → CHARGE → HIGH → CHARGE → LOW

b) WAIT → TRICKLE → WAIT → OFF → WAIT → TRICKLE → CHARGE → LOW → CHARGE

c) HIGH → CHARGE → LOW → CHARGE → TRICKLE → WAIT → TRICKLE → WAIT → TRICKLE

d) WAIT → TRICKLE → CHARGE → HIGH → CHARGE → TRICKLE → WAIT → OFF → WAIT

Select ONE option.

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10. Which one of the following is TRUE?

a) The purpose of regression testing is to check if the correction has been successfully implemented, while the purpose of confirmation testing is to confirm that the correction has no side effects

b) The purpose of regression testing is to detect unintended side effects, while the purpose of confirmation testing is to check if the system is still working in a new environment

c) The purpose of regression testing is to detect unintended side effects, while the purpose of confirmation testing is to check if the original defect has been fixed

d) The purpose of regression testing is to check if the new functionality is working, while the purpose of confirmation testing is to check if the original defect has been fixed

Select ONE option.

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11. You are testing a mobile app that allows users to find a nearby restaurant, based on the type of food they want to eat. Consider the following list of test cases, priorities (smaller number is high priority), and dependencies, in the following format:

Which of the following is a possible test execution schedule that considers both priorities and dependencies?

a) 01.001, 01.002, 01.003, 01.005, 01.004

b) 01.001, 01.002, 01.004, 01.003, 01.005

c) 01.003, 01.004, 01.002, 01.001, 01.002

d) 01.001, 01.002, 01.004, 01.005, 01.003

Select ONE option.

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12. You are working as a tester on an Agile team and have participated in over two dozen user story refinement sessions with the product owner and the developers on the team at the start of each iteration. As the reviews have gotten more effective at detecting defects in user stories and the product owner more proficient at correcting those defects, you and the team notice that the team’s velocity, as shown in your burndown charts, has started to increase. Which of the following is a benefit of static testing that is MOST DIRECTLY related to the team’s increased velocity?

a) Increasing total cost of quality

b) Reducing testing cost

c) Increasing development productivity

d) Reducing total cost of quality

Select ONE option.

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13. Which of the following descriptions of statement coverage is CORRECT?

a) Statement coverage is a measure of the number of lines of source code exercised by tests

b) Statement coverage is a measure of the proportion of executable statements in the source code exercised by tests

c) Statement coverage is a measure of the percentage of lines of source code (without comments) exercised by tests

d) Statement coverage is a measure of the number of executable statements in the source code exercised by tests

Select ONE option.

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14. The reviews being used in your organization have the following attributes:

• There is a role of a scribe
• The purpose is to detect potential defects
• The review meeting is led by the author
• Reviewers find potential defects by individual review
• A review report is produced

Which of the following review types is MOST likely being used?

a) Informal Review

b) Walkthrough

c) Technical Review

d) Inspection

Select ONE option.

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15. Which one of the following is the BEST definition of an incremental development model?

a) Defining requirements, designing software and testing are done in phases where in each phase a piece of the system is added

b) A phase in the development process should begin when the previous phase is complete

c) Testing is viewed as a separate phase which takes place after development has been completed

d) Testing is added to development as an increment

Select ONE option.

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16. Which of the following is a typical test objective?

a) Preventing defects

b) Repairing defects

c) Comparing actual results to expected results

d) Analyzing the cause of failure

Select ONE option.

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17. Which of the following statements about test types and test levels is CORRECT?

a) Functional and non-functional testing can be performed at system and acceptance test levels, while white-box testing is restricted to component and integration testing

b) Functional testing can be performed at any test level, while white-box testing is restricted to component testing

c) It is possible to perform functional, non-functional and white-box testing at any test level

d) Functional and non-functional testing can be performed at any test level, while white-box testing is restricted to component and integration testing

Select ONE option.

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18. Which one of the statements below describes the most common situation for a failure discovered during testing or in production?

a) The product crashed when the user selected an option in a dialog box

b) The wrong version of a compiled source code file was included in the build

c) The computation algorithm used the wrong input variables

d) The developer misinterpreted the requirement for the algorithm

Select ONE option.

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19. You are defining the process for carrying out product risk analysis as part of each iteration on an Agile project. Which of the following is the proper place to document this process in a test plan?

a) Scope of testing

b) Approach of testing

c) Metrics of testing

d) Configuration management of the test object

Select ONE option.

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20. Which of the following lists contains only typical exit criteria from testing?

a) Reliability measures, test coverage, schedule and status about fixing defect and remaining risks

b) Reliability measures, test coverage, degree of tester’s independence and product completeness

c) Reliability measures, test coverage, test cost, availability of test environment, time to market and product completeness

d) Time to market, remaining defects, tester qualification, availability of testable use cases, test coverage and test cost

Select ONE option.

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21. Which of the following BEST describes the concept behind error guessing?

a) Error guessing requires you to imagine you are the user of the test object and guess mistakes the user could make interacting with it

b) Error guessing involves using your personal experience of development and the mistakes you made as a developer

c) Error guessing involves using your knowledge and experience of defects found in the past and typical mistakes made by developers

d) Error guessing requires you to rapidly duplicate the development task to identify the sort of mistakes a developer might make

Select ONE option.

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22. Which of the following BEST describes how value is added by maintaining traceability between the test basis and test artifacts?

a) Maintenance testing can be fully automated based on changes to the initial requirements

b) It is possible to determine if a new test case has increased coverage of the requirements

c) Test managers can identify which testers found the highest severity defects

d) Areas that may be impacted by side-effects of a change can be targeted by confirmation testing

Select ONE option.

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23. Which of the following statements BEST describes how test cases are derived from a use case?

a) Test cases are created to exercise defined basic, exceptional and error behaviors performed by the system under test in collaboration with actors

b) Test cases are derived by identifying the components included in the use case and creating integration tests that exercise the interactions of these components

c) Test cases are generated by analyzing the interactions of the actors with the system to ensure the user interfaces are easy to use

d) Test cases are derived to exercise each of the decision points in the business process flows of the use case, to achieve 100% decision coverage of these flows

Select ONE option.

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24. You are testing a mobile app that allows customers to access and manage their bank accounts. You are running a test suite that involves evaluating each screen and each field on each screen against a general list of user interface best practices, derived from a popular book on the topic, that maximize attractiveness, ease-of-use, and accessibility for such apps. Which of the following options BEST categorizes the test technique you are using?

a) Specification-based

b) Exploratory

c) Checklist-based

d) Error guessing

Select ONE option.

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25. In what way can testing be part of Quality Assurance?

a) It ensures that requirements are detailed enough

b) Testing reduces the risk of poor software quality

c) It ensures that standards in the organization are followed

d) It measures the quality of software in terms of number of executed test cases

Select ONE option.

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26. You are testing an e-commerce system that sells cooking supplies such as spices, flour, and other items in bulk. The units in which the items are sold are either grams (for spices and other expensive items) or kilograms (for flour and other inexpensive items). Regardless of the units, the smallest valid order amount is 0.5 units (e.g., half a gram of cardamom pods) and the largest valid order amount is 25.0 units (e.g., 25 kilograms of sugar). The precision of the unit’s field is 0.1 units.

Which of the following is a set of input values that cover the boundary values with two-point boundary values for this field?

a) 0.3, 10.0, 28.0

b) 0.4, 0.5, 0.6, 24, 9, 25, 0, 25.1

c) 0.4, 0.5, 25.0 25.1

d) 0.5, 0.6, 24.9, 25.0

Select ONE option.

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27. You are engaged in planning a test effort for a new mobile banking application. As part of estimation, you first meet with the proposed testers and others on the project. The team is well-coordinated and has already worked on similar projects. To verify the resulting estimate, you then refer to some industry averages for testing effort and costs on similar projects, published by a reputable consultant.

Which statement accurately describes your estimation approach?

a) A simultaneous expert-based and metrics-based approach

b) Primarily an expert-based approach, augmented with a metrics-based approach

c) Primarily a metrics-based approach, augmented with an expert-based approach

d) Primarily planning poker, checked by velocity from burndown charts

Select ONE option.

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28. Given that the testing being performed has the following attributes:

• Based on interface specifications
• Focused on finding failures in communication
• The test approach uses both functional and structural test types

Which of the following test levels is MOST likely being performed?

a) Integration testing

b) Acceptance testing

c) System testing

d) Component testing

Select ONE option.

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29. Which of the following is an example of a task that can be carried out as part of the test process?

a) Analyzing a defect

b) Designing test data

c) Assigning a version to a test item

d) Writing a user story

Select ONE option.

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30. Which of the following statements is a valid objective for testing?

a) The test should start as late as possible so that development had enough time to create a good product

b) To validate whether the test object works as expected by the users and other stakeholders

c) To prove that all possible defects are identified

d) To prove that any remaining defects will not cause any failures

Select ONE option.

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31. You are testing an e-commerce system that sells cooking supplies such as spices, flour, and other items in bulk. The units in which the items are sold are either grams (for spices and other expensive items) or kilograms (for flour and other inexpensive items). Regardless of the units, the smallest valid order amount is 0.5 units (e.g., half a gram of cardamom pods) and the largest valid order amount is 25.0 units (e.g., 25 kilograms of sugar). The precision of the units’ field is 0.1 units.

Which of the following is a MINIMAL set of input values that cover the equivalence partitions for this field?

a) 10.0, 28.0

b) 0.4, 0.5, 25.0, 25.1

c) 0.2, 0.9, 29.5

d) 12.3

Select ONE option.

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32. Consider the following types of defects that a test level might focus on:

a) Defects in separately testable modules or objects
b) Not focused on identifying defects
c) Defects in interfaces and interactions
d) Defects in the whole test object

Which of the following list correctly matches test levels from the Foundation syllabus with the defect focus options given above?

a) 1 = performance test; 2 = component test; 3 = system test; 4 = acceptance test

b) 1 = component test; 2 = acceptance test; 3 = system test; 4 = integration test

c) 1 = component test; 2 = acceptance test; 3 = integration test; 4 = system test

d) 1 = integration test; 2 = system test; 3 = component test; 4 = acceptance test

Select ONE option.

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33. During an Agile development effort, a product owner discovers a previously unknown regulatory requirement that applies to most of the user stories within a particular epic. The user stories are updated to provide for the necessary changes in software behavior. The programmers on the team are modifying the code appropriately. As a tester on the team, what types of tests will you run?

a) Confirmation tests

b) Regression tests

c) Functional tests

d) Change-related tests

Select ONE option.

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34. What is quality?

a) Activities focused on providing confidence that quality requirements will be fulfilled

b) The degree to which a component or system satisfies the stated and implied needs of its various stakeholders

c) The degree to which a component or system protects information and data so that persons or other components or systems have the degree of access appropriate to their types and levels of authorization

d) The total costs incurred on quality activities and issues and often split into prevention costs, appraisal costs, internal failure costs and external failure costs

Select ONE option.

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35. Which of the following qualities is MORE likely to be found in a tester’s mindset rather than in a developer’s?

a) A tester´s mindset tends to grow and mature as the tester gains experience

b) Ability to see what might go wrong

c) Good communication with team members

d) Focus on getting all things done

Select ONE option.

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36. Prior to an iteration planning session, you are studying a user story and its acceptance criteria, deriving test conditions and associated test cases from the user story as a way of applying the principle of early QA and test. What test technique are you applying?

a) White-box

b) Black-box

c) Experience-based

d) Error guessing

Select ONE option.

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37. The project develops a "smart" heating thermostat. The control algorithms of the thermostat were modeled as Matlab/Simulink models and run on the internet connected server. The thermostat uses the specifications of the server to trigger the heating valves.

The test manager has defined the following test strategy/approach in the test plan:

1. The acceptance test for the whole system is executed as an experience-based test.
2. The control algorithms on the server are checked against standard of the energy saving regulation.
3. The functional test of the thermostat is performed as risk-based testing.
4. The security tests of data / communication via the internet are executed together with external security experts.

What four common types of test strategies/approaches did the test manager implement in the test plan?

a) Methodical, analytical, reactive, and regression-averse

b) Analytical, standard-compliant, consultative, and reactive

c) Model-based, methodical, analytical, and consultative

d) Regression-averse, consultative, reactive, and methodical

Select ONE option.

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38. You are testing a new version of software for a coffee machine. The machine can prepare different types of coffee based on four categories. i.e., coffee size, sugar, milk, and syrup. The criteria are as follows:

• Coffee size (small, medium, large)
• Sugar (none, 1 unit, 2 units, 3 units, 4 units)
• Milk (yes or no)
• Coffee flavor syrup (no syrup, caramel, hazelnut, vanilla)

Now you are writing a defect report with the following information:

• Title: Low coffee temperature.
• Short summary: When you select coffee with milk, the time for preparing coffee is too long and the temperature of the beverage is too low (less than 40 °C).
• Expected result: The temperature of coffee should be standard (about 75 °C).
• Degree of risk: Medium
• Priority: Normal

What valuable information was omitted in the above defect report?

a) The actual test results

b) Identification of the tested software version

c) Status of the defect

d) Ideas for improving the test case

Select ONE option.

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39. During a project following Agile methods, you find a discrepancy between the developer’s interpretation of an acceptance criteria and the product owner’s interpretation, which you bring up during a user story refinement session. Which of the following is a benefit of test independence exemplified by this situation?

a) Recognizing different kinds of failures

b) Taking primary responsibility for quality

c) Removing a defect early

d) Challenging stakeholder assumptions

Select ONE option.

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40. Consider the following state transition diagram for a credit-card only, unattended gasoline pump:

Assume that you want to develop the minimum number of tests to cover each transition in the state transition diagram. Assume further that each test must start at the beginning state, waiting for customer, and each test ends when a transition arrives at the beginning state. How many tests do you need?

a) 4

b) 7

c) 1

d) Infinite

Select ONE option.

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