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CTFL4 BCS Exam Lab Questions

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Total 188 questions

ISTQB Certified Tester Foundation Level CTFL 4.0 Exam Questions and Answers

Question 25

Which ONE of the following options BEST describes black-box test techniques?

Options:

A.

Black-box testing techniques are based on experience with the test object without knowing the internal structure.

B.

In black-box testing techniques, test cases are created based on the software's implementation.

C.

Black-box testing techniques are based on analyzing the test object's specified and implied behavior without knowledge of its internal data structure.

D.

Black-box testing techniques involve analyzing the specified behavior of the test object without knowledge of its internal structure.

Question 26

Which of the following coverage criteria results in the highest coverage for state transition based test cases?

Options:

A.

Can't be determined

B.

Covering all transitions at least once

C.

Covering only start and end states

D.

Covering all states at least once

Question 27

The fact that defects are usually not evenly distributed among the various modules that make up a software application, but rather their distribution tend to reflect the Pareto principle:

Options:

A.

is a false myth

B.

is expressed by the testing principle referred to as Tests wear out'

C.

is expressed by the testing principle referred to as 'Defects cluster together'

D.

is expressed by the testing principle referred to as 'Bug prediction'

Question 28

Which of the following statements about branch coverage is true?

Options:

A.

The minimum number of test cases needed to achieve full branch coverage, is usually lower than that needed to achieve full statement coverage

B.

If full branch coverage has been achieved, then all unconditional branches within the code have surely been exercised

C.

If full branch coverage has been achieved, then all combinations of conditions in a decision table have surely been exercised

D.

Exercising at least one of the decision outcomes for all decisions within the code, ensures achieving full branch coverage

Page: 7 / 14
Total 188 questions