ISTQB CTFL-Foundation Exam Dumps

ISTQB Certified Tester Foundation Level

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Exam Code	CTFL-Foundation
Exam Name	ISTQB Certified Tester Foundation Level
Questions	272 Questions Answers With Explanation
Update Date	04, 14, 2026
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Demo Questions

Question # 1

Which of the following options explain why it is often beneficial to have an independent test function in an organisation?

A. To improve defect finding during reviews and testing  
B. To ensure that developers adhere to coding standards  
C. To limit communication between developers and testers  
D. To provide better metrics for the stakeholders  

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Question # 2

Which of the following options describe the causal chain in the correct sequence?

A. Error, fault, failure
B. Fault, bug, mistake
C. Mistake, failure, fault
D. Failure, bug, error

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Question # 3

A garden irrigation system allows the user to specify 2 inputs:1. Frequency - The number of times the system should be automatically switched on perday; minimum once per day, maximum 5 times2. Duration - The duration of operation, in whole minutes, each time it is switched on;ranging from 1 to 60Applying 2-value boundary value analysis which of the following options has the correcttest set of valid and invalid boundary values?

A. Frequency 1, 5; Duration 1, 60
B. Frequency 0, 1, 5, 6; Duration 59 seconds, 1 minute, 60 minutes, 60 minutes 1 second
C. Frequency 0, 1, 5, 6; Duration 0, 1, 30, 60, 61
D. Frequency 0, 1, 2, 5, 6; Duration 0, 1, 30, 60, 61

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Question # 4

Which of the following would be a good test technique to use when under severe timepressure?

A. Exploratory testing
B. Structure based testing
C. Specification based testing
D. Use Case testing

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Question # 5

A system requirement states that up to 100 users should be able to carry out a transaction,with responses returned within 5 seconds.What type of non-functional testing would you carry out to verify these requirements?

A. Stress testing
B. Maintenance testing
C. Load testing
D. Usability testing

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Question # 6

Which of the following would NOT be a typical target of testing support tools?

A. Automate activities that require significant resources when done manually
B. Automate activities that cannot be executed manually
C. Automate repetitive tasks
D. Automating repetitive inspections

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Question # 7

Which of the main activities of the fundamental test process does the task ‘verify the testenvironment set up is correct’ relate to? [K1]

A. Planning and control
B. Analysis and design
C. Implementation and execution
D. Evaluating exit criteria and reporting

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Question # 8

Which of the following is a valid reason for writing test cases based on experience andintuition? [K1]

A. Use of formal techniques requires expensive training
B. Only experience can ensure all functionality is covered
C. Tests based on experience and intuition can supplement formal techniques
D. Formal techniques require the use of expensive tools

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Question # 9

Which of the following statements about use-case testing are most accurate?(i)In a use-case diagram an actor represents a type of user.(ii)Use-cases are the most common test basis for unit testing.(iii)A use-case describes interactions between actors.(iv)An actor is always a human user that interacts with the system.(v)Test cases can be based on use-case scenarios.(vi)Use-case testing will often identify gaps not found by testing individual components.

A. ii, iii, iv, v
B. i, iii, v, vi
C. i, ii, iv, v
D. iii, iv, v, vi

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Question # 10

Under which of the following circumstances is maintenance testing required? [K1] 

A. Migration of software onto a new platform
B. Testing during initial development of a replacement for an existing system
C. Purchase of a new software tool
D. Updating of a regression suite

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Question # 11

Which of the following are valid test objectives?(i)Finding defects.(ii)Gaining confidence about the level of quality and providing information.(iii)Preventing defects.(iv)Debugging the code.

A. i, ii and iii
B. i, ii and iv
C. ii and iii
D. i and iv

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Question # 12

It is recommended to perform exhaustive tests for covering all combinations of inputs andpreconditions.

A. Yes, it’s strongly recommended.
B. No, risk analysis and priorities should be used to focus testing efforts
C. Yes, and it’s also necessary to include all the exit combinations
D. Only the expert testers can make exhaustive tests.

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Question # 13

A data driven approach to test automation design is best described as: 

A. Using action words to describe the actions to be taken, the test data.
B. Scaling to support large numbers of users.
C. Being based on Equivalence Partitioning testing techniques.
D. Separating out the test data inputs and using a generic script that can read the test dataand perform the same test steps with different data.

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Question # 14

Which of the following test case design techniques is white box (structure-based)? [K1] 

A. Use case testing
B. State transition testing
C. Decision testing
D. Equivalence partitioning

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Question # 15

Which of the following statements about software development models is most accurate? [K1]

A. The 4 stage V model is always the best choice of software development model for any project 
B. The agile development model is usually most appropriate for short projects 
C. The choice of software development model depends on product and project characteristics 
D. The 2 stage V model is the most appropriate development model for simple products  

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Question # 16

Which from the following list are typically found to enable the review process to besuccessful? [K2]a. Each review has clear defined objectivesb. The lower the number of defects, the better the review processc. The right people for the review objective are involvedd. There is an emphasis on learning and process improvemente. Management are not involved in the process at allf. Checklists should not be used, as these slow down the processg. Defects found are welcomed and expressed objectively

A. a, f and g.
B. b, c and f.
C. a, c and d.
D. d, e and g.

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Question # 17

What is decision table testing?

A. It’s a testing design technique based in the internal software structure.
B. It’s a static test design technique.
C. It’s a testing design technique to verify decisions.
D. It’s a testing design technique based in the system requirements.

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Question # 18

What other details should be included in the following incident report when it is firstsubmitted?Date of Issue: 23/11/05Severity: P1Build: Version15.6Details: Expected field to be limited to 15 chars, able to enter 27

A. Suggested solution, priority and number of defects assigned to this developer.
B. Status of the incident, degree of impact, Test Case Number.
C. History, related defects and expected fix time.
D. Line of code, number of defects found, time of day.

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Question # 19

What factors should be considered to determine whether enough testing has been performed?(i)The exit criteria.(ii)The budget.(iii)How big the test team is.(iv)The product's risk profile.(v)How good the testing tools are.(vi)Sufficient details of the system status to allow decisions

A. i and ii and iv and vi
B. i and ii and iii and vi
C. ii and iii and iv and v
D. i and ii and v and vi

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Question # 20

Typically, exit criteria may consist of: 

A. Defining the amount, level of detail structure, and templates for the test documentation.
B. Estimates of defect density or reliability measures.
C. Adequacy of the test approaches taken.
D. Discussions on disaster recovery. 

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Question # 21

What is the value of static code analysis? 

A. Detection of failures not easily found by other types of testing  
B. Early defect detection  
C. Detection of suspicious operations caused by deviations from regulations  
D. Detect deviations in standards by executing the source code 

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Question # 22

The four test levels defined for a common V-model testing approach are: 

A. Unit, integration, system and maintenance.
B. Functional, glass box, incremental and maintenance.
C. Component, integration, system and acceptance.
D. Unit, component, functional and alpha/beta.

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Question # 23

A bank is developing a new service that will be delivered via the web. The user interactions are defined as a set of use cases and the service is designed to be available continuously 24/7. In view of the challenging characteristics of the service the test manager has decided that the code should be thoroughly tested at component level. Which of the following test types will be required during the development? [K2]

A. Functional testing to test security at the system level, load testing at the system level to ensure the system availability is acceptable, regression testing at all levels, structure based testing at the component level only 
B. Functional testing to test the use cases at component level, reliability testing to test availability at the integration level, regression testing at the system testing level only, structure based testing at all levels
C. Functional testing of the use cases at system level, load testing at component level to ensure availability is acceptable, regression testing at the system and acceptance levels only, and structure based testing at the integration level only 
D. Functional testing to test security at the acceptance level, load testing at the acceptance test level to ensure availability is acceptable, regression testing at the acceptance level only to ensure late changes are made correctly, and structure based testing at the component level 

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Question # 24

Which of the following statements best characterises maintenance testing? [K2]

A. Maintenance testing is triggered by changes to delivered software and uses impactanalysis to minimise the amount of regression testing needed
B. Maintenance testing is triggered by changes to software under development beforeinitial delivery and uses the test plan to determine how much regression testing to do
C. Maintenance testing is triggered by changes to the test environment and uses testingtools to perform regression testing
D. Maintenance testing is triggered by changes to the software environment and usesstructural testing to ensure the changes function correctly

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Question # 25

Of the following, select the best description of the fundamental test process: 

A. Planning and control, analysis, design, implementation, execution, evaluation of exit criteria and reporting, test closure
B. Executing tests, identifying and recording defects and preparing recommendation and closure reports.
C. Controls, preparation of test cases, execution of test cases, execution of regression packs, communicating with developers, writing recommendations for release.
D. Static testing, dynamic testing, defect reporting, reporting and closure.  

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