8/13/25, 2:35 AM CTFL Certification ISTQB Foundation Level EXAM 1 | Complete Questions and Correct Answers with Rationales | Graded A+ | Verif…
CTFL Certification ISTQB Foundation Level EXAM 1 |
Complete Questions and Correct Answers with Rationales
| Graded A+ | Verified Answers
Question #1 (1pt) What is the B is correct. Per the glossary, the test basis is "a source
test basis? to determine expected results to compare with the
a. The point during software
actual result of the system under test". A is not correct
development when testing
because this is usually defined as the moment of
should start
involvement for testing. C is not correct because this is
b. The body of knowledge
the test oracle. D is not correct because the test basis is
used for test analysis
not a method
and design
c. The source to
determine the actual
results from a set of
tests
d. The method used to
systematically devise
test conditions
Question #2 (1 pt) C is correct per the syllabus. The other three are
achieved primarily by doing dynamic testing. This is a
When the tester verifies the bit tricky because you are very likely to find defects
test basis while designing while doing this analysis and this may lead to either
tests early in the lifecycle, gaining or destroying confidence and needing to supply
which common test information to the decision makers. However, the
objective is being wording of the question matches the wording in the
achieved? syllabus that defines preventing defects.
a. Gaining confidence
b. Finding defects
c. Preventing defects
… 1/49
,8/13/25, 2:35 AM CTFL Certification ISTQB Foundation Level EXAM 1 | Complete Questions and Correct Answers with Rationales | Graded A+ | Verif…
d. Providing information
for decision making
Question #3 (1 pt) D is correct. Control occurs throughout the project to
ensure that it is staying on track based on the plan and
When following the to take any corrective steps that may be necessary. The
fundamental test process, monitoring information is used to determine if control
when should the test control actions are needed.
activity take place?
a. During the planning
activities
b. During the
implementation and
execution activities
c. During the monitoring
activities
d. During all the activities
Question #4 (1 pt) A is correct. The developer makes a mistake/error
which causes a defect/fault/bug which may cause a
Which of the following is a failure when the code is dynamically tested or
correct statement? executed. B is incorrect because fault and failure are
reversed. C is incorrect because failure and mistake
a. A developer makes a are reversed. D is incorrect because it's a failure that's
mistake which causes a seen during execution, not the defect itself. The failure
defect that may be seen is a symptom of the defect
as a failure during
dynamic testing
b. A developer makes an error
which results in a failure that
may be seen as a fault when
the software is executed
c. A developer has
introduced a failure which
… 2/49
,8/13/25, 2:35 AM CTFL Certification ISTQB Foundation Level EXAM 1 | Complete Questions and Correct Answers with Rationales | Graded A+ | Verif…
results in a defect that may
be seen as a mistake
during dynamic testing
d. A developer makes a
mistake which causes a
bug that may be seen as a
defect when the software
is executed
Question #5 (1 pt) C is correct. Debugging is what the developer does
to identify the cause of the defect, analyze it and fix it.
Which of the following is an D may involve debugging, if the developer finds a
example of debugging? defect, but the act of unit testing is not the same as
debugging.
a. A tester finds a defect and
reports it
b. A tester retests a fix from
the developer and finds a
regression
c. A developer finds and fixes a
defect
d. A developer performs unit
testing
Question #6 (1 pt) B is correct. Exhaustive testing, all combinations of
inputs and preconditions, is not feasible unless the
Which of the following is a true software is trivially simple.Otherwise it would take too
statement about exhaustive long and might not even be possible
testing?
a. It is a form of stress testing
b. It is not feasible except
in the case of trivial
software
c. It is commonly done with test
automation
d. It is normally the
responsibility of the
developer during unit
… 3/49
, 8/13/25, 2:35 AM CTFL Certification ISTQB Foundation Level EXAM 1 | Complete Questions and Correct Answers with Rationales | Graded A+ | Verif…
testing
Question #7 (1 pt) C is correct. The root cause is that the testing, and
maybe the development, were conducted on the wrong
A new retail product was version of the POS equipment. The effect of the problem
released to production by is the customer complaints and the social media
your company. Shortly postings.
after the release it was
apparent that there were
numerous problems with
the point of sale
application. This resulted
in a number of customer
complaints and negative
postings on social media
encouraging people to
take their business to your
competitor. You have
investigated the problems
and have discovered that
the production point of
sale equipment is a later
model than the model
used in testing. The
software functions
correctly on the old
version, but fails on the
later model.
Given this scenario, what is
the root cause and what is
the effect?
… 4/49
CTFL Certification ISTQB Foundation Level EXAM 1 |
Complete Questions and Correct Answers with Rationales
| Graded A+ | Verified Answers
Question #1 (1pt) What is the B is correct. Per the glossary, the test basis is "a source
test basis? to determine expected results to compare with the
a. The point during software
actual result of the system under test". A is not correct
development when testing
because this is usually defined as the moment of
should start
involvement for testing. C is not correct because this is
b. The body of knowledge
the test oracle. D is not correct because the test basis is
used for test analysis
not a method
and design
c. The source to
determine the actual
results from a set of
tests
d. The method used to
systematically devise
test conditions
Question #2 (1 pt) C is correct per the syllabus. The other three are
achieved primarily by doing dynamic testing. This is a
When the tester verifies the bit tricky because you are very likely to find defects
test basis while designing while doing this analysis and this may lead to either
tests early in the lifecycle, gaining or destroying confidence and needing to supply
which common test information to the decision makers. However, the
objective is being wording of the question matches the wording in the
achieved? syllabus that defines preventing defects.
a. Gaining confidence
b. Finding defects
c. Preventing defects
… 1/49
,8/13/25, 2:35 AM CTFL Certification ISTQB Foundation Level EXAM 1 | Complete Questions and Correct Answers with Rationales | Graded A+ | Verif…
d. Providing information
for decision making
Question #3 (1 pt) D is correct. Control occurs throughout the project to
ensure that it is staying on track based on the plan and
When following the to take any corrective steps that may be necessary. The
fundamental test process, monitoring information is used to determine if control
when should the test control actions are needed.
activity take place?
a. During the planning
activities
b. During the
implementation and
execution activities
c. During the monitoring
activities
d. During all the activities
Question #4 (1 pt) A is correct. The developer makes a mistake/error
which causes a defect/fault/bug which may cause a
Which of the following is a failure when the code is dynamically tested or
correct statement? executed. B is incorrect because fault and failure are
reversed. C is incorrect because failure and mistake
a. A developer makes a are reversed. D is incorrect because it's a failure that's
mistake which causes a seen during execution, not the defect itself. The failure
defect that may be seen is a symptom of the defect
as a failure during
dynamic testing
b. A developer makes an error
which results in a failure that
may be seen as a fault when
the software is executed
c. A developer has
introduced a failure which
… 2/49
,8/13/25, 2:35 AM CTFL Certification ISTQB Foundation Level EXAM 1 | Complete Questions and Correct Answers with Rationales | Graded A+ | Verif…
results in a defect that may
be seen as a mistake
during dynamic testing
d. A developer makes a
mistake which causes a
bug that may be seen as a
defect when the software
is executed
Question #5 (1 pt) C is correct. Debugging is what the developer does
to identify the cause of the defect, analyze it and fix it.
Which of the following is an D may involve debugging, if the developer finds a
example of debugging? defect, but the act of unit testing is not the same as
debugging.
a. A tester finds a defect and
reports it
b. A tester retests a fix from
the developer and finds a
regression
c. A developer finds and fixes a
defect
d. A developer performs unit
testing
Question #6 (1 pt) B is correct. Exhaustive testing, all combinations of
inputs and preconditions, is not feasible unless the
Which of the following is a true software is trivially simple.Otherwise it would take too
statement about exhaustive long and might not even be possible
testing?
a. It is a form of stress testing
b. It is not feasible except
in the case of trivial
software
c. It is commonly done with test
automation
d. It is normally the
responsibility of the
developer during unit
… 3/49
, 8/13/25, 2:35 AM CTFL Certification ISTQB Foundation Level EXAM 1 | Complete Questions and Correct Answers with Rationales | Graded A+ | Verif…
testing
Question #7 (1 pt) C is correct. The root cause is that the testing, and
maybe the development, were conducted on the wrong
A new retail product was version of the POS equipment. The effect of the problem
released to production by is the customer complaints and the social media
your company. Shortly postings.
after the release it was
apparent that there were
numerous problems with
the point of sale
application. This resulted
in a number of customer
complaints and negative
postings on social media
encouraging people to
take their business to your
competitor. You have
investigated the problems
and have discovered that
the production point of
sale equipment is a later
model than the model
used in testing. The
software functions
correctly on the old
version, but fails on the
later model.
Given this scenario, what is
the root cause and what is
the effect?
… 4/49
