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Quick quiz to review some of the key points of Chapter 1 for CTFL - ISTQB.

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Chapter 1 - Quick Quiz - Principles of testing

Frage 1 von 12

1

A tester is working on a project that is still in development stage, he started testing a demo version of the payment method using a fake credit card for testing.

The fake credit card information is:

Number: 4532022596340037

CVV: 123

While he was testing the payment cycle, he entered the credit card number and wrote a wrong CVV which is 124. An error occurred saying that the CVV is not correct. The tester created a defect report for this error and assigned this report to the developer.

The error that the tester made is:

Wähle eine der folgenden:

  • False positive

  • False negative

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Frage 2 von 12

1

A Developer created an API for the dynamic content of the home page of a website, inside the code he missed a command which affected the page performance in a bad way.

When the Tester started to test the home page manually, he wasn't concentrating with the device screen, so he didn’t notice the low performance of the page.

This error is:

Wähle eine der folgenden:

  • False positive

  • False negative

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Frage 3 von 12

1

From your comprehension of Root cause analysis, choose the correct answer:

Wähle eine der folgenden:

  • Root cause analysis can be applied in software environment only

  • Root cause analysis can be applied in all life cycle steps and can prevent a significant number of future defects from being introduced.

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Frage 4 von 12

1

Choose from the following situations the correct answer that can describe ‘’Root cause analysis‘’:

Wähle eine der folgenden:

  • A developer is adding an equation inside the code. The equation is used to calculate the discount on the course price, it is based on wrong information inside the acceptance criteria of a User Story. (Root cause: Product Owner)

  • A boy who is driving his father's car and there is no gas inside it. (Root cause: the boy)

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Frage 5 von 12

1

Which one of the statements below describes a failure discovered during testing or in production?

Wähle eine der folgenden:

  • The wrong version of one source code file was included in the build

  • The product crashed when the user selected an option in a dialog box

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Frage 6 von 12

1

Which of the following is the correct statement?

Wähle eine der folgenden:

  • An error causes a failure which results in a defect

  • An error causes a defect which is observed as a failure

  • An defect causes a failure which results in an error

  • A failure is observed as an error and the root cause is the defect

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Frage 7 von 12

1

Which principle of testing means that testing can prove that we have defects in our software.

Wähle eine der folgenden:

  • Testing shows the presence of defects

  • Testing is context dependent

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Frage 8 von 12

1

Which principle of testing means that a small number of modules usually contains most of defects discovered during pre-release testing:

Wähle eine der folgenden:

  • Defects cluster together

  • Absence-of-errors is a fallacy

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Frage 9 von 12

1

Which principle of testing applies in this situation:
Dividing testing effort between three projects on scope, quality, risks and budget

Wähle eine der folgenden:

  • Early testing saves time and money

  • Testing is context dependent

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Frage 10 von 12

1

By studying the principle "Absence of error is a fallacy", we understand that:

1-It’s important to expect that finding and fixing a large number of defects will ensure the success of the system

2-It’s a fallacy to expect that just finding and fix a large number of defects will ensure the success of the system

3-The reason of projects failure might be the idea of the project, delivering low quality, misunderstanding the requirements, or lack of experience in the field of the project

Wähle eine der folgenden:

  • 1 is correct, 2 & 3 are wrong

  • 2 is correct, 1 & 3 are wrong

  • 3 is correct, 2 & 1 are wrong

  • 2 & 3 are correct, 1 is wrong

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Frage 11 von 12

1

Which principle of testing applies in this situation:
A tester wrote some test cases to cover the registration test scenarios for a website. He executed those test cases more than one time to find defects.

Wähle eine der folgenden:

  • Exhaustive testing is impossible

  • Beware of the pesticide paradox

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Frage 12 von 12

1

Which principle of testing means that we need to begin static and dynamic test activities as early as possible to find defects and prevent them.

Wähle eine der folgenden:

  • Exhaustive testing is impossible

  • Early testing saves time and money

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