ISTQB Learning

Test your knowledge

0%
30
Created on By Admin

Exam 5

1 / 40

1. The navigation system software has been updated due to it suggesting routes that break traffic laws, such as driving the wrong way down one-way streets. Which of the following BEST describes the testing that will be performed?

Select ONE option.

2 / 40

2. You work in a team that develops a mobile application for food ordering. In the current iteration the team decided to implement the payment functionality.

Which of the following activities is a part of test analysis?

Select ONE option.

3 / 40

3. Which of the following BEST describe the collaborative approach to user story writing?

Select ONE option.

4 / 40

4. The ‘absence-of-defects fallacy’ is one of the principles of testing. Which of the following is an example of addressing this principle in practice?

Select ONE option.

5 / 40

5. You are preparing a test execution schedule for executing seven test cases TC 1 to TC 7.

The following figure includes the priorities of these test cases (1=highest priority, 3 = lowest priority).

The figure also shows the dependencies between test cases using arrows. For instance, the arrow from TC 4 to TC 5 means that TC 5 can only be executed if TC 4 was previously executed.

Which test case should be executed sixth?

Select ONE option.

6 / 40

6. During risk analysis the team considered the following risk: “The system allows too high a discount for a customer”. The team estimated the risk impact to be very high.

What can one say about the risk likelihood?

Select ONE option.

7 / 40

7. Which TWO of the following options are the exit criteria for testing a system?

Select TWO options.

8 / 40

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

• There is the role of a scribe
• The main purpose is to evaluate quality
• The meeting is led by the author of the work product
• There is individual preparation
• A review report is produced

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

Select ONE option.

9 / 40

9. Which of the following statements about quality assurance (QA) and/or quality control (QC) is correct?

Select ONE option.

10 / 40

10. A wine storage system uses a control device that measures the wine cell temperature T (measured in °C, rounded to the nearest degree) and alarms the user if it deviates from the optimal value of 12, according to the following rules:

• if T = 12, the system says, “optimal temperature”

• if T < 12, the system says, “temperature is too low!”

• if T > 12, the system says, “temperature is too high!”

You want to use the 3-point boundary value analysis (BVA) to verify the behavior of the control device. A test input is a temperature in °C provided by the device.

What is the MINIMAL set of test inputs that achieves 100% of the desired coverage?

Select ONE option.

11 / 40

11. The following list contains risks that have been identified for a new software product to be developed:

i. Management moves two experienced testers to another project
ii. The system does not comply with functional safety standards
iii. System response time exceeds user requirements
iv. Stakeholders have inaccurate expectations
v. Disabled people have problems when using the system

Which of them are project risks?

Select ONE option.

12 / 40

12. How can white-box testing be useful in support of black-box testing?

Select ONE option.

13 / 40

13. Given the following roles in reviews:

1. Scribe
2. Review leader
3. Facilitator
4. Manager

And the following responsibilities in reviews:

A. Ensures the effective running of review meetings and the setting up a safe review environment
B. Records review information, such as decisions and new anomalies found during the review meeting
C. Decides what is to be reviewed and provides resources, such as staff and time for the review
D. Takes overall responsibility for the review such as organizing when and where the review will take place

Which of the following BEST matches the roles and responsibilities?

Select ONE option.

14 / 40

14. You were given a task to analyze and fix causes of failures in a new system to be released.

Which activity are you performing?

Select ONE option.

15 / 40

15. Why does white-box testing facilitate defect detection even when the software specification is vague, outdated or incomplete?

Select ONE option.

16 / 40

16. You want to estimate the test effort for the new project using estimation based on ratios. You calculate the test-to-development effort ratio using averaged data for both development effort and test effort from four historical projects similar to the new one. The table shows this historical data.

The estimated development effort for the new project is $800,000. What is your estimate of the test effort in this project?

Select ONE option.

17 / 40

17. You work as a tester in a project on a mobile application for food ordering for one of your clients. The client sent you a list of requirements. One of them, with high priority, says

“The order must be processed in less than 10 seconds in 95% of the cases”.

You created a set of test cases in which a number of random orders were made, the processing time measured, and the test results were checked against the requirements.

What test type did you perform?

Select ONE option.

18 / 40

18. Which of the following is a good testing practice that applies to all software development lifecycles?

Select ONE option.

19 / 40

19. Your team follows the process that uses the DevOps delivery pipeline. The first three steps of this process are:

(1) Code development
(2) Submit code into a version control system and merge it into the “test” branch
(3) Perform component testing for the submitted code

Which of the following is BEST suited to be the entry criterion for step (2) of this pipeline?

Select ONE option.

20 / 40

20. Given the following review types:

1. Technical review
2. Informal review
3. Inspection
4. Walkthrough

And the following descriptions:

A. Includes objectives such as gaining consensus, generating new ideas, and motivating authors to improve
B. Includes objectives such as educating reviewers, gaining consensus, generating new ideas and detecting potential defects
C. The main objective is detecting potential defects and it requires metrics collection to support process improvement
D. The main objective is detecting potential defects and it generates no formal documented output

Which of the following BEST matches the review types and the descriptions?

Select ONE option.

21 / 40

21. W A developer was asked to implement the following business rule:

You design the test cases using 2-value boundary value analysis.

Which of the following sets of test inputs achieves the greatest coverage?

Select ONE option.

22 / 40

22. The user reported a software failure. An engineer from the support team asked the user for the software version number where the failure was observed. Based on the version number, the team reassembled all the files that made up the release. This later allowed a developer to perform analysis, find the defect, and fix it.

Which of the following enabled the above activity to be performed by the team?

Select ONE options.

23 / 40

23. The following decision table contains the rules for determining the risk of atherosclerosis.

You designed the test cases with the following test input data:

TC1: Cholesterol = 125 mg/dl Blood pressure = 141 mm Hg
TC2: Cholesterol = 200 mg/dl Blood pressure = 201 mm Hg
TC3: Cholesterol = 124 mg/dl Blood pressure = 201 mm Hg
TC4: Cholesterol = 109 mg/dl Blood pressure = 200 mm Hg
TC5: Cholesterol = 201 mg/dl Blood pressure = 140 mm Hg

What is the decision table coverage achieved by these test cases?

Select ONE option.

24 / 40

24. Which of the following statements about the chosen software development lifecycle is CORRECT?

Select ONE option.

25 / 40

25. Which item correctly identifies a potential risk of performing test automation?

Select ONE option.

26 / 40

26. Your test suite achieved 100% statement coverage. What is the consequence of this fact?

Select ONE option.

27 / 40

27. Which test activity involves working with test data requirements, test conditions, test environment requirements and test cases?

Select ONE option.

28 / 40

28. Which of the following BEST describes the way acceptance criteria can be documented?

Select ONE option.

29 / 40

29. Which of the following is a benefit of early and frequent stakeholder feedback?

Select ONE option.

30 / 40

30. Which of the following is MOST likely to impact how testing is performed for a given test object?

Select ONE option.

31 / 40

31. You are testing a PIN validator, which accepts valid PINs and rejects invalid PINs. A PIN is a sequence of digits. A PIN is valid if it consists of four digits, at least two of which are different. You have identified the following valid equivalence partitions:

Variable: PIN code length

• The partition “length correct” - four-digit PINs
• The partition “length incorrect” - PINs with length other than 4

Variable: Number of different digits

• The partition “number of different digits correct” - PINs with at least two different digits
• The partition “number of different digits incorrect” - PINs with all digits being the same

Which of the following is a MINIMUM set of input test data that covers all identified equivalence partitions?

Select ONE option.

32 / 40

32. The team wants to estimate the time needed for one tester to execute four test cases for a software component. The team has gathered the following measures of the effort used to execute a single test case:

• Best-case scenario: 1 hour
• Worst-case scenario: 8 hours
• Most likely scenario: 3 hours

Given that the three-point estimation technique is being used, what is the final estimate of the time needed to execute all four test cases?

Select ONE option.

33 / 40

33. Which of the following is MOST likely to be performed as part of system testing?

Select ONE option.

34 / 40

34. Which of the following statements describe a valid test objective?

Select ONE option.

35 / 40

35. Which of the following is MOST likely to be a challenge encountered when implementing DevOps?

Select ONE option.

36 / 40

36. Which of the following statements about formal reviews is TRUE?

Select ONE option.

37 / 40

37. At the beginning of each iteration, the team estimates the amount of work (in person-days) they will need to complete during the iteration. Let E(n) be the estimated amount of work for iteration n, and let A(n) be the actual amount of work done in iteration n. From the third iteration, the team uses the following estimation model based on extrapolation:

 

 

The graph shows the estimated and actual amount of work for the first four iterations.

What is the estimated amount of work for iteration #5?

Select ONE option.

38 / 40

38. Which participant in the review process is responsible for ensuring that the review meetings run effectively and that everyone at the meetings can voice their opinions freely?

Select ONE option.

39 / 40

39. You are testing a mobile application 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 (i.e., a smaller number means a higher priority), and dependencies:

Which of the following test cases should be executed as the third one?

Select ONE option.

40 / 40

40. Which TWO of the following options are common metrics used for reporting on the quality level of the test object?

Select TWO options.

0%

Scroll to top