Browse all practice questions for the International Software Testing Qualifications Board (ISTQB) Foundation Level Practice Test. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

ISTQB Foundation Level Practice Test 2026 - Free International Software Testing Qualifications Board Practice Questions and Study Guide course image
Understanding Acceptance Testing and Its Importance in Software VerificationWhat type of testing is normally conducted to verify that a product meets a particular regulatory requirement?Understanding Boundary Value Analysis: A Key Testing TechniqueWhich set of test inputs provides the highest level of boundary coverage using two-point BVA?Understanding Decision Coverage in Software TestingWhich statement describes decision coverage accurately?Understanding how non-functional evaluation at the integration level reveals network bottlenecksWhat type of test focuses on finding possible network bottlenecks?Understanding Minimum Test Cases in Decision Table TestingWhat is the minimum number of tests required to cover equivalence partitions based on a decision table for an airline reservation system?Understanding Product Risk Analysis in Software TestingWhich of the following is LEAST likely to be an example of product risk analysis CORRECTLY influencing the testing?Understanding Test Case Requirements for User Login ScenariosTo achieve 100% state transition coverage for a user login scenario with error constraints, how many test cases are needed?Understanding Test Estimation: The Crucial Role of Test ManagersWhich statement about test estimation approaches is correct?Understanding the Differences Between Confirmation Testing and Regression TestingWhich statement BEST compares the purposes of confirmation testing and regression testing?Understanding Usability Testing's Role in Software QualityUsability testing is an example of which type of testing?What is Decision Coverage and Why It MattersWhat does decision coverage measure in testing?
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  • Why is defining usage guidelines for a new tool important?
  • What is checklist-based testing?
  • Which statement correctly differentiates testing from debugging?
  • Which statement is true regarding the V-model lifecycle?
  • If you have a section of code with one simple IF statement, how many tests will be needed to achieve 100% decision coverage?
  • What is a missing factor for review success when participants are not given adequate time to prepare?
  • Which component is NOT typically a function of a test execution tool?
  • Which of the following is a minimum set of desired amounts that covers the equivalence partitions for an unattended gasoline pump?
  • Which testing contribution to success is best described when a tester identifies a performance issue?
  • What is the purpose of integration testing?
  • Which set of values identified by applying boundary value analysis is most likely relevant?
  • When should the test control activity take place during the fundamental test process?
  • In a formal review, which of the following roles is NOT typically included?
  • Which of the following is a common test metric often used to monitor both test preparation and execution?
  • Which of the following reflects a benefit of automated testing?
  • Which of the following lists contains only typical exit criteria from testing?
  • Which test technique uses the requirements specifications as a test basis?
  • When testing using boundary value analysis, which of the following would be considered an invalid input?
  • How many test cases are needed to achieve minimum test coverage based on given grading conditions?
  • Which of the following is not a typical use of exploratory testing?
  • Which of the following is NOT a role in a formal review process?
  • For a formal review, at what point in the process are the entry and exit criteria defined?
  • Which one of the following answers describes a test condition?
  • If your test strategy is based on ISO 25010 quality characteristics, what type of strategy is it?
  • What is a true statement about exhaustive testing?
  • Which of the following is an extension of equivalence partitioning?
  • In a software project, what analysis is commonly performed to ensure code quality?
  • In a state transition diagram for an e-commerce transaction, how many transitions should be represented given the defined states?
  • Which of the following best describes inspection in a review context?
  • What is the primary goal of conducting dynamic testing?
  • What best characterizes the process of software testing?
  • What activity focuses on finding and removing the causes of a failure in software?
  • Which of the following is a major objective of testing?
  • Which statement related to impact analysis is correct?
  • How does root cause analysis facilitate process improvement?
  • Which categorization best describes the technique of evaluating a mobile app against UI best practices?
  • What is the role of monitoring in the test control activities?
  • What is a key approach to effectively communicate defect prioritization with developers?
  • What process is missing if developers release code for testing that is not version controlled?
  • How do you determine the level of decision coverage you have achieved for a module of code?
  • Which of the following BEST defines risk level?
  • What is a typical goal that remains to be addressed after completing a pilot project for a regression testing tool?
  • How many tests are needed to achieve 100% two-value boundary value analysis for a shipping scale system?
  • The purpose of a test plan is to?
  • How should tasks be allocated between the test manager and the tester?
  • What valuable information was omitted in the defect report for the coffee machine?
  • Which review type is most suited for a formal process following rules and checklists?
  • How are test cases best derived from a use case?
  • What is the primary concern with a developer testing their own code?
  • Who is typically responsible for the creation and update of a test plan for a project?
  • What is the main difference between static and dynamic testing?
  • Which task is most likely to be performed by a test manager?
  • Why is risk-based testing important?
  • What is the most useful metric to monitor during test execution?
  • Which of the following is a good exit criterion from system testing?
  • What is a minimal set of input values that cover the equivalence partitions for a cooking supplies e-commerce system?
  • In a formal review, which role is normally responsible for documenting all the open issues?
  • Which of the following is MOST likely to be a benefit of test execution tools?
  • Which of the following is a defect rather than a root cause in a fitness tracker?
  • What is an effective test technique for catching defects in a batch application processing customer accounts?
  • How can white-box testing be applied during acceptance testing?
  • In black-box testing for a shipping system, which weights should be considered for boundary value analysis?
  • Which principle of testing did Mr. Test neglect by not modifying automated test cases?
  • For an e-commerce system, if a user inputs 0.5 units, what is this considered?
  • Which type of testing focuses on the internal workings of an application?
  • Which of the following is a project risk?
  • Which of the following provides the BEST description of a test case?
  • What does component testing primarily focus on?
  • In a situation where a defect confirmed as fixed fails a later confirmation test, what is a possible cause?
  • Which statement about exploratory testing is true?
  • Which of the following represents a project risk?
  • Which of the following examples supports static testing?
  • When applying two-value boundary value analysis for grading conditions, how many test cases are required for coverage?
  • What potential outcome might result from poor communication among project stakeholders?
  • What is a major objective of a pilot project for tool introduction?
  • What test technique is being applied when deriving test cases from acceptance criteria?
  • For what reason can software testing be mandated for legal purposes?
  • What type of review technique would be most appropriate for identifying security vulnerabilities in a mobile application?
  • What is a key benefit of static analysis?
  • Where should the process for carrying out product risk analysis be documented in a test plan?
  • What should be a key focus during test planning?
  • What best defines decision coverage?
  • Which missing condition in a decision table could occur in reality regarding employee bonuses?
  • How can testing be part of Quality Assurance?
  • What is the primary goal of regression testing?
  • Which of the following would be a good summary for a defect report that captures the essence of a failure in an online banking system?
  • A product owner states that a tester's role is to catch all bugs before the end of each iteration. Which testing principle responds to this statement?
  • If a review session is led by the author of the work product, what type of review is it?
  • What is the significance of avoiding the pesticide paradox in software testing?
  • How many equivalence classes are necessary for the following weight ranges in shipping?
  • Which of the following statements is correct about dynamic testing?
  • Which testing principle is being applied when more testing is directed to areas with more defects than average?
  • In an unattended gasoline pump test, an invalid amount is selected. What range does this correspond to?
  • What should be prioritized first when executing test cases with dependencies?
  • What is a commonly accepted understanding of the purpose of test automation?
  • What activity is part of the planning process in a formal review?
  • Which phase of testing utilizes pilot projects to validate a new tool?
  • Which option is NOT a trigger for maintenance testing?
  • Where should the test case guidelines be documented?
  • Which testing principle states that exhaustive testing is not possible?
  • Which assertion regarding equivalence partitioning is correct?
  • Using the decision table technique, what is the minimum number of test cases needed based on provided conditions and results?
  • At which test levels may functional tests be executed?
  • In an Agile environment, which benefit of static testing directly applies to increased team velocity?
  • Which tool is primarily helpful for reporting test metrics?
  • A metric that tracks the number of test cases executed is gathered during which activity?
  • What is a common objective of testing at the foundation level?
  • When a product owner discovers a new regulatory requirement, what type of tests will a tester typically run?
  • Which of the following best describes test design techniques?
  • What is the primary focus of system testing?
  • What is the primary focus of static testing?
  • Which variances should be explained in the Test Summary Report?
  • What is the most appropriate test effort estimation technique for testing an upgrade of an ERP system that has a previous version in production?
  • Which of the following describes a high severity defect?
  • Which test tool is characterized by the classification described?
  • What two factors can be used to determine the level of risk in a project?
  • What type of testing focuses on testing the application based on previous errors encountered?
  • Which type of test relates to verifying non-functional aspects of software?
  • Which option best matches the testing activities with how traceability can assist?
  • Which common test objective is achieved by verifying the test basis while designing tests?
  • How does maintaining traceability between the test basis and test artifacts add value?
  • What does black-box testing rely on?
  • In which scenario is state transition testing most applicable?
  • Which statement accurately describes statement coverage?
  • In which situation is exploratory testing most suitable?
  • What is the correct definition of quality?
  • What is an appropriate application of equivalence partitioning for a video playback requirement with multiple resolutions?
  • What is the main purpose of regression testing?
  • What is the purpose of using test data during testing?
  • What is the aim of experience-based testing?
  • What type of activity typically is used to find and fix a defect in the code?
  • Which test level is MOST likely being performed if the testing is based on interface specifications and focused on communication failures?
  • Which of the following is a typical test objective?
  • What is a critical requirement for success during a technical review?
  • Which statement about test types and test levels is CORRECT?
  • What effect does high priority have on test case execution?
  • What aspect of testing does the test manager primarily oversee?
  • For calculating an employee's bonus, how many test cases are needed to cover all valid equivalence partitions?
  • What is the minimum set of test temperature values needed for complete boundary value analysis coverage for a thermostat?
  • Which testing technique would be most effective in determining and improving the maintainability of the code?
  • You are participating in a role-based review session for an online banking application. What area should you review as a senior citizen?
  • What is the defect in the code related to a programmer's distraction while coding?
  • Which of the following is an experience-based testing technique?
  • If the author of the code is leading a code review for other developers and testers, what type of review is it?
  • Which test execution schedule best considers the defined priorities and dependencies?
  • Which of the following is MOST likely to be an example of a PRODUCT risk?
  • What is a key consideration when determining test case execution order?
  • Which statement comparing component testing and system testing is TRUE?
  • What does high severity indicate about a defect?
  • What is a valid objective for testing?
  • What is the primary focus of acceptance testing?
  • What type of testing can be automated to improve testing efficiency and coverage?
  • What is the primary purpose of confirmation testing?
  • What do you need to track to provide a report showing test case execution coverage of the requirements?
  • Which description correctly defines statement coverage?
  • What statement accurately describes the relationship between errors, failures, and defects?
  • Which testing method looks for potential issues before actual execution?
  • What is the minimum percentage of decision coverage achieved by a single test case for a code containing an 'if' statement?
  • In what scenario would the priority of a defect be rated low while the severity is rated high?
  • Which of the following BEST matches test activities and tools?
  • For a banking application allowing withdrawals of 20, 100, or 500 dollars, how many equivalence partitions need to be tested?
  • Which statement is true about static testing?
  • What type of maintenance testing may be required for a system targeted for decommissioning?
  • What is the primary goal of executing regression tests?
  • Which of the following best describes static testing?
  • What is the key characteristic of exploratory testing?
  • What are confirmation tests designed to do?
  • Why should regression testing be executed after changes if impact analysis indicates significant effect on the system?
  • What kind of test are you performing if you are checking software compatibility with various PC brands?
  • What is a characteristic of a metrics-based approach for test estimation?
  • What is error guessing?
  • When testing a train booking system, which piece of information would be MOST useful to include in the initial defect report?
  • What characterizes exploratory testing?
  • Which outcome would classify as a product risk?
  • What should be done to ensure that testing covers all aspects of user requirements?
  • In the scenario with the point of sale application, what is the root cause and the effect?
  • You have been receiving daily builds from the developers. If fixes are either missing or not working, what type of testing is best suited for finding these issues?
  • What four common types of test strategies/approaches did the test manager implement in the test plan?
  • What is a common defect type associated with contradictions in acceptance criteria?
  • What best describes the concept of error guessing?
  • What is the most common situation for a failure discovered during testing or in production?
  • What is the main goal of confirmation testing?
  • Use cases serve as a test basis primarily for which level of testing?
  • What type of testing focuses specifically on assessing the usability of a system?
  • Which of the following techniques is classified as static testing?
  • Which of the following is an example of debugging?
  • Which of the following is true about the relationship between statement coverage and decision coverage?
  • What is a benefit of test independence?
  • Which examples best categorize entry and exit criteria?
  • What is a possible test execution schedule that considers both priorities and dependencies for a mobile app?
  • In an Agile project, what is a significant benefit of having independent testers challenge stakeholder assumptions?
  • Classify the following outcomes: "Incorrect totals on reports" and "System responds too slowly to user input". What type of risks are they?
  • Which testing activity helps to understand test status reports better?
  • Which mindset should programmers adopt to perform effective unit testing?
  • What is the main focus of static testing methods?
  • What is a task that can be carried out as part of the test process?
  • Which of the following best describes the behaviors defined in a use case that should be covered by tests?
  • Which of the following best describes an incremental development model?
  • Which two factors can influence the initial test planning?
  • Which activity involves comparing planned test progress to actual test progress?
  • How is statement coverage determined?
  • What is the primary purpose of a test execution tool in software testing?
  • What is the minimum number of unique test cases required for a decision table where one condition has two equivalence partitions?
  • Which statements are true regarding the relationships between software development activities and testing activities?
  • Who is typically responsible for writing the test plan for a project?
  • Which of the following is a good reason to use experience-based testing?
  • Which quality is MORE likely found in a tester's mindset rather than in a developer's?
  • Which of the following BEST matches the testing activities with their corresponding tasks?
  • Which of the following is NOT included in a test summary report?
  • During which testing level should non-functional tests be executed?
  • Why is it important for testers to understand the business context of the application they are testing?
  • Which of the following is a correct match of test work products with their descriptions?
  • During which phase should test cases be executed that depend on one another?
  • Which of the following best describes acceptance testing?
  • What is a set of input values that cover the boundary values for an e-commerce system selling cooking supplies?
  • In formal reviews, what is crucial to ensure during planning?
  • Given the following test cases for an accounting system, what is the correct execution order considering priority and dependencies?
  • What type of maintenance testing is conducted to prevent issues caused by software changes?
  • What describes your estimation approach if you meet with proposed testers and refer to industry averages?
  • How can a well-structured test plan contribute to project success?
  • What aspect does not contribute to determining project risk?
  • What factors determine the level of risk in a project?
  • Given a set of test cases ordered by risk, which sequence prioritizes the most critical tests?
  • Which criterion might indicate that a test case is needed for further investigation in a software module?
  • If test cases are derived from looking at the code, what type of test design technique is being used?
  • Which of the following is an example of a failure in a car cruise control system?
  • Which of the following is MOST likely to be used as a reason for using a pilot project to introduce a tool into an organization?
  • What is the biggest issue with a defect report that lacks expected results?
  • Which of the following is a primary focus of risk-based testing strategies?
  • If you are using error guessing to target your testing, which type of testing are you doing?
  • Which of the following is categorized as a black-box test technique?
  • When exploratory testing is conducted using time-boxing and test charters, what is it called?
  • What is the test basis?
  • In an iterative lifecycle model, which statement about testing activities is accurate?
  • In a formal review, who is responsible for running the inspection meeting?
  • What is a typical requirements defect found in the review of user stories?
  • What is the proper priority and severity rating for a defect that causes a system to crash only after making and voiding 10 purchases in a row?
  • What technique best ensures coverage of conditions when a greeting should or should not occur in an application?
  • Which of the following is a best practice when conducting user acceptance testing?
  • Why is it important to monitor test execution metrics?
  • What does a checklist-based testing technique rely on?
  • What is a key benefit of independent testing?
  • Which activity is part of the "test analysis" phase in testing?
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