Question 1

Which statement is correct regarding the use of exploratory testing for safety critical systems? SELECT ONE OPTION

Options :

A : It should be used when black-box tests cannot be automated

B : It is not recommended, as manual black-box tests should be used instead

C : It is highly recommended for low risk levels only

Answer: C

Question 2

If we say that a set of tests has achieved 100% structural decision coverage on a particular module in a

program, what does that mean?

Options :

A : That all bugs present in that module were necessarily revealed by those tests

B : That every control flow branch had been executed at least once by those tests.

C : That every dataflow in that module was exercised at least once by those tests.

D :

That every path through that module was exercised at least once by those tests.

Answer: B

Question 3

When performing code reviews, which of the following defect types will be most difficult to find?

Options :

A : Dead code

B :

Variable used that is not defined

C : Memory issues

D :

Conformance to design

Answer: C

Question 4

Which of the following statements is TRUE regarding tools that support component testing and the build process?

Options :

A :

Both are used to examine source code before a program is executed. This is done by analysing a section of code against a set (or multiple sets) of coding rules.

B : Both are used to reduce the costs of test environments by replacing real devices.

C :

Both provide run-time information on the state of the software code, e.g., unassigned pointers and the use and de-allocation of memory.

D :

Both provide an environment for unit testing in which a component can be tested in isolation with suitable stubs and drivers.

Answer: D

Question 5

If you are flying with an economy ticket, there is a possibility that you may get upgraded to business class,

especially if you hold a gold card in the airline’s frequent flier program. If you don’t hold a gold card, there is

a possibility that you will get ‘bumped’ off the flight if it is full and you check in late. This is shown in the

figure hereafter. Note that each box (i.e. statement) has been numbered.

Three tests have been run:

Test 1: Gold card holder who gets upgraded to business class

Test 2: Non-gold card holder who stays in economy

Test 3: A person who is bumped from the flight

What is the statement coverage of these three tests?

Options :

A : 60%

B : 70%

C : 80%

D : 90%

Answer: C

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