2022年最新のISTQB CTFL-2018試験問題には40問があります
無料で使えるCTFL-2018別格な問題集をダウンロード2022年02月06日に更新された40問があります
質問 14
Which of the following options BEST explains the pesticide paradox principle of testing?
- A. Defects are, paradoxically, often contained in a small number of modules.
- B. Repeatedly running a set of tests will ensure that a system is defect free.
- C. If we do not regularly review and revise our tests, we'll stop finding defects.
- D. Testing, like spraying pesticide, is an effective bug/defect removal activity.
正解: A
質問 15
Tests have been specified for the latest software release and users have prioritised these.
However, there are some dependencies between tests as shown in the table below (e.g. Test ID. '123' cannot be run until Test ID. '456' has been successfully completed).
Which test execution schedule best meets the prioritisation and dependency conditions?
- A. 3, 5, 7, 10, 2, 4, 6, 8, 9, 1.
- B. 6, 1, 2, 9, 4, 3, 5, 7, 8, 10.
- C. 5, 7, 4, 3, 9, 10, 1, 6, 8, 2.
- D. 1, 4, 3, 5, 2, 7, 9, 10, 6, 8.
正解: D
質問 16
Which of the following apply to System Testing?
a) May satisfy legal requirements.
b) Can use system specifications as a test basis.
c) Often the responsibility of business users.
d) Main goal is to establish confidence.
e) Should focus on the communication between systems.
- A. a and c.
- B. a and b.
- C. b and d.
- D. c and e.
正解: C
質問 17
Which of the following are product risks?
a) Failure prone software delivered.
b) Software does not perform its intended functions.
c) Insufficient staff available for testing.
d) Test environment not ready on time.
e) Poor data integrity and quality.
- A. b, d and e.
- B. a, b and e.
- C. b, c and d.
- D. b, c and e.
正解: B
解説:
Explanation
質問 18
Which statement about Static Testing is TRUE?
- A. Static testing executes the code to verify the functionality is as expected.
- B. Static testing must only be applied to final work products that have been signed off.
- C. Static testing must be conducted by users of the product being tested.
- D. Static testing can be applied to any work product that participants know how to read and understand.
正解: D
質問 19
After a record of poor quality software releases (incorrect menu selection options, new features that do not work, users allowed to change security levels without administrator rights), you have been asked to review the test capability in your company.
You have limited time to do the review before the next project, which type of testing would be MOST appropriate to review first?
- A. Performance testing.
- B. Non-functional testing.
- C. Functional testing.
- D. Structural testing.
正解: D
質問 20
Which ONE of the following is the BEST way to take advantage of the different mindsets of testers and developers?
- A. Keep developers and testers in separate teams.
- B. Insist on independent testing at all stages in the lifecycle.
- C. Bring the two mindsets together.
- D. Have all developers undergo ISTQB training.
正解: C
質問 21
An issue has been found in a production system, where a code component fails to release memory after it has finished using it. Which of the following tools would have been the MOST effective at detecting this defect during Performance testing?
- A. Dynamic analysis tool.
- B. Coverage measurement tool.
- C. Test Execution tool.
- D. Configuration management tool.
正解: A
質問 22
Which of the following is a key difference between black box and white box test design techniques?
- A. White box techniques derive test cases from models of the software, black box techniques do not.
- B. White box techniques can measure the extent of code coverage, black box techniques can not.
- C. White box techniques use functional design specifications to derive test cases, black box techniques do not.
- D. Black box techniques use software code to derive test cases, white box techniques do not.
正解: B
質問 23
Which option BEST describes how the level of risk is determined?
- A. The consequences of potential problem multiplied by the cost of possible legal action.
- B. The impact of an adverse event multiplied by the likelihood of that event occurring.
- C. The likelihood and the probability of a hazard occurring.
- D. The likelihood of an adverse event happening multiplied by the cost of preventing it.
正解: B
質問 24
Testing effort can depend on a number of factors, which one of the following is MOST likely to impact the amount of effort required?
- A. The predicted number of defects and the amount of rework required.
- B. The ratio of developers to testers in the project team.
- C. The planned use of a project management tool to schedule tasks.
- D. The responsibilities for testers and developers being clearly defined.
正解: C
質問 25
You have been asked to improve the way test automation tools are being used in your company. Which one of the following is the BEST approach?
- A. Keeping expected results separate from the automation tool to allow the testers to check the results.
- B. Selecting and automating scripts that test new functionality to find the most defects.
- C. Using a keyword-driven testing approach to separate the actions and data from the tool's script.
- D. Ensuring that all data, inputs and actions are stored in the tool's script for ease of maintenance.
正解: B
解説:
Explanation/Reference:
Explanation/Reference:
質問 26
Which of the following is NOT a valid use of decision coverage?
- A. Checking that at least 100% decision coverage has been achieved, as this guarantees 100% statement coverage.
- B. Checking that all decisions are based on a numeric value.
- C. Checking that all decisions have been exercised in a business process.
- D. Checking that all decisions have been exercised in a single program.
正解: B
質問 27
Given the following decision tables, what is the expected result for the test case listed below?
Test Case: Purchase a Toaster weighing 9kg for £10.
- A. Must pay in cash, no free delivery.
- B. No need to pay in cash, no free delivery.
- C. Must pay in cash, free delivery.
- D. No need to pay in cash, free delivery.
正解: B
質問 28
Which of the following BEST describes a Test Case?
- A. A set of preconditions, inputs, actions, expected results and postconditions developed based on test conditions.
- B. A source to determine expected results to compare with the actual result of the system under test.
- C. A statement about "what to test" in terms of measurable coverage criteria from analysis of the test basis.
- D. A description of the test objectives to be achieved and the means and the schedule for achieving them.
正解: A
質問 29
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