ISTQB software testing certification sample question paper with answers. In continuation with our Previous article on “ISTQB software testing certification sample papers and tips to solve the questions quickly“, we are posting next set of ISTQB exam sample questions and answers with detailed evaluation for each option. This is a guest article by “N. Sandhya Rani”. ISTQB ‘Foundation level’ sample questions with answers and detailed evaluation of each option: 1. Methodologies adopted while performing Maintenance Testing: -a) Breadth Test and Depth Testb) Retestingc) Confirmation Testingd) Sanity Testing. Evaluating the options: a) Option a: Breadth testing is a test suite that exercises the full functionality of a product but does not test features in detail. Depth testing is a test that exercises a feature of a product in full detail.

Option b: Retesting is part of regressionc) Option c: Confirmation testing is a synonym for retestingd) Option d: Sanity testing does not include full functionality. Maintenance testing includes testing some features in detail (for the e. It’s a mix of both breadth and depth testing. So, the answer is ‘A’2. Which of the following is true about Formal Review or Inspection: -i. Led by Trained Moderator (not the author).

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No Pre Meeting Preparationsiii. Formal Follow up the process. Main Objective is to find defectsa) ii is true and i,iii,iv are falseb) i,iii,iv are true and ii is falsec) i,iii,iv are false and ii is trued) iii is true and i,ii,iv are false. Evaluating the options: Consider the first point (i). This is true, Inspection is led by a trained moderator.

Hence we can eliminate options (a) and (d). Now consider the second point. In Inspection pre- meeting preparation is required. So this point is false.

Look for an option where (i) is true and (ii) is false. The answer is ‘B’3.

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The Phases of the formal review process is mentioned below arrange them in the correct order. Planningii. Review Meetingiii.

Reworkiv. Individual Preparationsv. Kick Offvi. Follow Upa) i,ii,iii,iv,v,vib) vi,i,ii,iii,iv,vc) i,v,iv,ii,iii,vid) i,ii,iii,v,iv,vi. Evaluating the options: The formal review process is ’Inspection’. Planning is a foremost step. Hence we can eliminate option ’b’. Now we need to kick off the process, so the second step will be Kick off. That’s it we found the answer.

Its ’C’The answer is ’C’4. Consider the following state transition diagram of a two- speed hair dryer, which is operated by pressing its one button. The first press of the button turns it on to Speed 1, second press to Speed 2 and the third press turns it off. Which of the following series of state transitions below will provide 0- switch coverage?

A,C,B b. B,C,A c. A,B,C d. C,B,AEvaluating the options: In State transition testing a test is defined for each state transition. The coverage that is achieved by this testing is called 0- switch or branch coverage. No repetition. We should start with initial state and go till end state. It does not test ‘sequence of two state transitions’).

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In this case, the start state is ‘OFF’, and then a press of the button turns it on to Speed 1 (i. A). A second press turns it on to Speed 2 (i. B) and the third press turns it off (i. C). Here we do not test the combinations like what if the start state is ‘Speed 1’ or ‘Speed 2’ etc. An alternate way of solving this is check for the options where it starts with ‘OFF’ state. So we have options ‘a’ and ‘c’ to select from.

As per the state diagram from ‘OFF’ state the dryer goes to ‘Speed 1’ and then to ‘Speed 2’. So our answer should start with ‘A’ and end with ‘C’. The answer is ’C’5. White Box Techniques are also called as: -a) Structural Testingb) Design Based Testingc) Error Guessing Techniqued) Experience- Based Technique.

Evaluating the options: I guess no evaluation is required here. It’s a straight answer. White box techniques are also called as Structural testing.

The answer is ‘A’6. What is an equivalence partition (also known as an equivalence class)? A set of test cases for testing classes of objectsb) An input or output range of values such that only one value in the range becomes a test casec) An input or output range of values such that each value in the range becomes a test cased) An input or output range of values such that every tenth value in the range becomes a test case. Evaluating the options: Let’s recall the definition of equivalence partition. It is grouping inputs into valid and invalid classes.

Hence anyone values from one particular class form an input. For e. g. input a valid class contains values from 3- 5, then any value between 3- 5 is considered as an input. All values are supposed to yield the same output. Hence one value in this range becomes a test case. The answer is ‘B’7. The Test Cases Derived from use cases a) Are most useful in uncovering defects in the process flows during real- world use of the systemb) Are most useful in uncovering defects in the process flows during the testing use of the systemc) Are most useful in covering the defects in the process flows during real- world use of the systemd) Are most useful in covering the defects at the Integration Level.

Evaluating the options: Please refer to a Use case related topic in the foundation level guide “Use cases describe the “process flows” through a system based on its actual likely use” (actual likely use is nothing but the real world use of the system). Use cases are useful for uncovering defects. Hence we can eliminate options (c ) and (d). Use case uncovers defects in process flow during real- world use of the system. The answer is ‘A’8. Exhaustive Testing isa) Is impractical but possibleb) Is practically possiblec) Is impractical and impossibled) Is always possible. Evaluating the options: From the definition given in the syllabus, Exhaustive testing is impossible.

But it is possible in trivial cases. Exhaustive testing is not always possible.

So eliminate option ‘d’. It is not impossible also.

So eliminate option ‘c’. But implementing is impractical.

Hence we can conclude that exhaustive testing is impractical but possible. The answer is ‘A’9. Which of the following is not a part of the Test Implementation and Execution Phase a) Creating test suites from the test casesb) Executing test cases either manually or by using test execution toolsc) Comparing actual resultsd) Designing the Tests. Evaluating the options: Please take care of the word ‘not’ in the question.

Test implementation does include Creating test suites, executing and comparing results. Hence eliminate options a, b and c. The only option left is ‘D’.

Designing activities come before implementation. The answer is ‘D’1.

Which of the following techniques is NOT a White box technique? Statement Testing and coverageb) Decision Testing and coveragec) Condition Coveraged) Boundary value analysis. Evaluating the options: Please take care of the word ‘not’ in the question. We have to choose the one which is not a part of white box technique.

The statement, decision, condition are the terms used in white box. So eliminate options a, b and c. Boundary value is part of a black box. The answer is ‘D’1. A Project risk includes which of the following a) Organizational Factorsb) Poor Software characteristicsc) Error- Prone software delivered. Software that does not perform its intended functions.

Evaluating the options: a) Option a: Organizational factors can be part of project risk. Watch The Mark Online Mic. Option b: Poor software characteristics are part of the software. It’s not a riskc) Option c: Error- prone software delivered.