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ISTQB Certified Tester Foundation Level (CTFL) Question and Answers

ISTQB Certified Tester Foundation Level (CTFL)

Last Update May 17, 2024
Total Questions : 70

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Questions 1

Confirmation testing is performed after:

Options:

A.  

a defect is fixed and after other tests do not find any side-effect introduced in the software as a result of such fix

B.  

a failed test, and aims to run that test again to confirm that the same behavior still occurs and thus appears to be reproducible

C.  

the execution of an automated regression test suite to confirm the absence of false positives in the test results

D.  

a defect is fixed, and if such testing is successful then the regression tests that are relevant for such fix can be executed

Discussion 0
Questions 2

The acceptance criteria associated with a user story:

Options:

A.  

are often written in a rule-oriented format using the template referred to as "Given/When/Then"

B.  

are often documented following in rule-oriented format using the following template: "As a [role], I want [feature], so that I can [benefit]"

C.  

can be written in different formats and represent an aspect of a user story referred to as confirmation' of the so called "3 C's"

D.  

must be written in one of the two following formats: scenario-oriented or rule-oriented

Discussion 0
Questions 3

A system has a self-diagnostics module that starts executing after the system is reset. The diagnostics are running 12 different tests on the systems memory hardware. The following is one of the requirements set for the diagnostics module:

'The time taking the diagnostics tests to execute shall be less than 2 seconds' Which of the following is a failure related to the specified requirement?

Options:

A.  

The diagnostic tests fail to start after a system reset

B.  

The diagnostic tests take too much time to execute

C.  

The diagnostic tests that measure the speed of the memory, fail

D.  

The diagnostic tests fail due to incorrect implementation of the test code

Discussion 0
Questions 4

The whole-team approach:

Options:

A.  

promotes the idea that all team members should have a thorough understanding of test techniques

B.  

is a consensus-based approach that engages the whole team in estimating the user stories

C.  

promotes the idea that all team members should be responsible for the quality of the product

D.  

is mostly adopted in projects aimed at developing safety-critical systems, as it ensures the highest level of testing independence

Discussion 0
Questions 5

Consider the following user story about the authentication functionality of an e-commerce website:

"As a logged-in user, I want to change my current password with a new one, so that I can make my account safer".

The following are some of the acceptance criteria defined for the user story:

[a] After the logged-in user has successfully changed his password, an email confirming the change must be sent to him

[b] To successfully change the password, the logged-in user must enter the current password, enter a new valid password, and finally confirm by pressing the 'Change Password' button

[c] To be valid, the new password entered by the logged-in user is not only required to meet the criteria related to the length and type of characters, but must also be different form the last 5 passwords of that user

[d] A dedicated error message must be presented to the logged-in user when he enters a wrong current password

[e] A dedicated error message must be presented to the logged-in user when he enters the correct current password, but enters an invalid password

Based only on the given information, which of the following ATDD tests is most likely to be written first?

Options:

A.  

The logged-in user enters a wrong current password and views the dedicated error message

B.  

The logged-in user enters the correct current password, enters a valid new password (different from the last 5 passwords), presses the Change Password' button, and finally receives the e-mail confirming that the password has been successfully changed

C.  

The logged-in user enters the correct current password, enters an invalid password, and finally views the dedicated error

D.  

The logged-in user submits a purchase order containing ten items, selects to pay with a Visa credit card, enters credit card information of a valid card, presses the 'Confirm' button, and finally views the dedicated message confirming that the purchase has been successful

Discussion 0
Questions 6

Test automation allows you to:

Options:

A.  

demonstrate the absence of defects

B.  

produce tests that are less subject to human errors

C.  

avoid performing exploratory testing

D.  

increase test process efficiency by facilitating management of defects

Discussion 0
Questions 7

Which of the following statements about white-box test techniques is true?

Options:

A.  

Achieving full statement coverage and full branch coverage for a software product means that such software product has been fully tested and there are no remaining bugs within the code

B.  

Code-related white-box test techniques are not required to measure the actual code coverage achieved by black-box testing, as code coverage can be measured using the coverage criteria associated with black-box test techniques

C.  

Branch coverage is the most thorough code-related white-box test technique, and therefore applicable standards prescribe achieving full branch coverage at the highest safety levels for safety-critical systems

D.  

Code-related white-box test techniques provide an objective measure of coverage and can be used to complement black-box test techniques to increase confidence in the code

Discussion 0
Questions 8

Which of the following statements is an example of testing contributing to higher quality?

Options:

A.  

A test leader writes a test summary report

B.  

A project manager asks to a test leader to estimate the test effort

C.  

A tester installs a test ten in the lest environment

D.  

A tester finds a bug which is resolved prior to release

Discussion 0
Questions 9

Which of the following statements is true?

Options:

A.  

A defect does not always produce a failure, while a bug always produces a failure

B.  

A defect may cause a failure which, when occurring, always causes an error

C.  

Failures can be caused by defects, but also by environmental conditions

D.  

Bugs are defects found during component testing, while failures are defects found at higher test levels

Discussion 0
Questions 10

Which of the following is not an example of a typical generic skill required for testing?

Options:

A.  

Be able to apply test-driven development

B.  

Be able to use test management tools and defect tracking tools

C.  

Be able to communicate defects and failures to developers as objectively as possible

D.  

Possess the necessary social skills that support effective teamwork

Discussion 0
Questions 11

A new web app aims at offering a rich user experience. As a functional tester, you have run some functional tests to verify that, before releasing the app, such app works correctly on several mobile devices, all of which are listed as supported devices within the requirements specification. These tests were performed on stable and isolated test environments where you were the only user interacting with the application. All tests passed, but in some of those tests you observed the following issue: on some mobile devices only, the response time for two web pages containing images was extremely slow.

Based only on the given information, which of the following recommendation would you follow?

Options:

A.  

You should open a defect report providing detailed information on which devices and by running which tests you observed the issue

B.  

The issue is related to performance efficiency, not functionality. Thus, as a functional tester, you should not open any defect report as all the functional tests passed

C.  

You should not open any defect report as the problem is most likely due to poor hardware equipment on the devices where you observed the issue

D.  

You should not open any defect report and inform the test manager that the devices on which you observed the issue should no longer be supported so that they will be removed from the requirements specification

Discussion 0
Questions 12

In which of the following test documents would you expect to find test exit criteria described9

Options:

A.  

Test design specification

B.  

Project plan

C.  

Requirements specification

D.  

Test plan

Discussion 0
Questions 13

A virtual service emulating a real third-party service and the automated test scripts (aimed at testing the system under test) that interact with that service, are test work products that are typically created during:

Options:

A.  

Test monitoring and control

B.  

Test implementation

C.  

Test design

D.  

Test analysis

Discussion 0
Questions 14

Which sequence of stated in the answer choices is correct in accordance with the following figure depicting the life-cycle of a defect?

Options:

A.  

S0->S1->S2->S3->S5->S1

B.  

S0->S1->S2->S3->S5->S1->S2->S3

C.  

S0->S1->S2~>S3->S4

D.  

S0->S1 ->S2->S3->S5->S3->S4

Discussion 0
Questions 15

Which of the following issues cannot be identified by static analysis tools?

Options:

A.  

Very low MTBF (Mean Time Between failure)

B.  

Potentially endless loops

C.  

Referencing a variable with an undefined value

D.  

Security vulnerabilities

Discussion 0
Questions 16

Which of the following is not an example of a typical content of a test completion report for a test project?

Options:

A.  

The additional effort spent on test execution compared to what was planned

B.  

The unexpected test environment downtime that resulted in slower test execution

C.  

The residual risk level if a risk-based test approach was adopted

D.  

The test procedures of all test cases that have been executed

Discussion 0
Questions 17

The following rules determine the annual bonus to be paid to a salesman of a company based on the total annual amount of the sales made (referred to as TAS).

If the TAS is between 50k€ and 80k€, the bonus is 10%. If the TAS exceeds 80k€ by a value not greater than 40k€, the bonus is 15%. Finally, if the TAS

exceeds the maximum threshold which entitles to a 15% bonus, the bonus is 22%.

Consider applying equivalence partitioning to the TAS (Note: 1k€ = 1000 euros).

Which one of the following answers contain only test cases that belong to the same equivalence partition?

Options:

A.  

TC1 = 81 k€; TC2= 97k€; TC3=111k€; TC4=118k€

B.  

TC1 = 40k€; TC2= 46k€; TC3=51k€; TC4=53k€

C.  

TC1 = 79k€; TC2= 80k€; TC3=81k€; TC4=82k€

D.  

TC1 = 90k€; TC2= 110k€; TC3=125k€: TC4=140k€

Discussion 0
Questions 18

Which of the following s the most correct statement about state testing techniques?

Options:

A.  

Static techniques can be used before all code is ready for execution

B.  

Static techniques find more detects then dynamic techniques.

C.  

Static techniques can be used by inexperienced users.

D.  

Static techniques are always cheaper than dynamic techniques.

Discussion 0
Questions 19

A company runs a pilot project for evaluation of a test automation tool. Which of the following is NOT a valid object of this pilot project?

Options:

A.  

Get familiar with the functionality and options of the tool

B.  

Check haw the tool fits to the existing test processes

C.  

Train all testers on using the tool

D.  

Decide upon standards for tool implementation

Discussion 0
Questions 20

Which of the following work products cannot be examined by static analysis?

Options:

A.  

Test plans

B.  

Source code

C.  

Compiled code

D.  

Formal models

Discussion 0
Questions 21

Which of the following is a task the Author is responsible for, as part of a typical formal review?

Options:

A.  

Determining the people who will be involved in the review

B.  

Recording the anomalies found during the review meeting

C.  

Identifying potential anomalies in the work product under review

D.  

Fixing the anomalies found in the work product under review

Discussion 0