Saturday, May 31, 2008

Sample Questions for ISTQB Certification

1. Software testing activities should start
a. as soon as the code is written
b. during the design stage
c. when the requirements have been formally documented
d. as soon as possible in the development lifecycle
2. Faults found by users are due to:
a. poor quality software
b. poor software and poor testing
c. bad luck
d. insufficient time for testing
3. What is the main reason for testing software before releasing it?
a. to show that the system will work after release
b. to decide when the software is of sufficient quality to release
c. to find as many bugs as possible before release
d. to give information for a risk-based decision about release
e. to use up the time between the end of development and release
4. Which of the following statements is not true:
a. Performance testing can be done during unit testing as well as during the testing of the
whole system.
b. The acceptance test does not necessarily include a regression test.
c. Verification activities should not involve testers (reviews, Inspection, etc).
d. Test environments should be as similar to production environments as possible.
5. When reporting faults found to developers, testers should be:
a. as polite, constructive and helpful as possible
b. firm about insisting that a bug is not a "feature" if it should be fixed
c. diplomatic, sensitive to the way they may react to criticism
d. subservient, after all the developers know what they are doing
e. a, b and c above
6. In which order should tests be run?
a. the most important tests first
b. the most difficult tests first (to allow maximum time for fixing)
c. the easiest tests first (to give initial confidence)
d. the order they are thought of
7. The later in the development life cycle a fault is discovered, the more expensive it is to fix. Why?
a. the documentation is poor, so it takes longer to find out what the software is doing.
b. wages are rising
c. the fault has been built in to more documentation, code, tests, etc.
d. none of the above
8. Which is not true - The black box tester
a. should be able to understand a functional specification or requirements document
b. should be able to understand the source code
c. is highly motivated to find faults
d. is creative to find the system's weaknesses
9. A test design technique is
a. a process for selecting test cases
b. a process for determining expected outputs
c. a way to measure the quality of software
d. a way to describe in a test plan what has to be done
e. all of the above
10. Testware (test cases, test data, etc.)
a. needs configuration management just like requirements, design and code
b. should be newly constructed for each new version of the software
c. is needed only until the software is released into production or use
d. does not need to be documented and commented, as it does not form part of the released
software system
11. An incident logging system
a. only records defects
b. is of limited value
c. is a valuable source of project information during testing if it contains all incidents
d. should be used only by the test team
12. Increasing the quality of the software, by better development methods, will affect the time needed
for testing (the testing phases) by:
a. reducing test time
b. no change
c. increasing test time
13. Coverage measurement
a. is nothing to do with testing
b. is a partial measure of test thoroughness
c. branch coverage should be mandatory for all software
d. can only be applied at unit or module testing, not at system testing
14. When should you stop testing?
a. when time for testing has run out
b. when all planned tests have been run
c. when the test completion criteria have been met
d. when no faults have been found by the tests run
e. when the software is proven perfect
15. Which of the following is true?
a. component testing should be black box, system testing should be white box
b. if you find a lot of bugs in testing, you should not be very confident about the quality of
the software.
c. if you do a lot of testing, you should be confident about the quality of the software.
d. the fewer bugs you find, the better your testing was
e. the more tests you run, the more bugs you will find
f. none of the above
16. What is the most important criterion in deciding what testing technique to use?
a. how well you know a particular technique
b. the objective of the test
c. how appropriate the technique is for testing the application
d. whether there is a tool to support the technique.
17. If the pseudocode below were a programming language, how many tests are required to achieve
100% statement coverage?
1. If x=3 then
2. Display_messageX;
3. If y=2 then
4. Display_messageY;
5. Else
6. Display_messageZ;
7. Else
8. Display_messageZ;
a. 1
b. 2
c. 3
d. 4
18. Using the same code example as question 17, how many tests are required to achieve 100%
branch/decision coverage?
a. 1
b. 2
c. 3
d. 4
19. Which of the following is NOT a type of non-functional test?
a. State-Transition
b. Usability
c. Performance
d. Security
20. Which of the following tools would you use to detect a memory leak?
a. Static analysis
b. Coverage analysis
c. Dynamic analysis
d. Memory analysis.
21. Which of the following is NOT a standard related to testing?
a. IEEE 829
b. IEEE 610
c. BS7925-1
d. BS7925-2
22. Which of the following is the component test standard?
a. IEEE 829
b. IEEE 610
c. BS7925-1
d. BS7925-2
23. Which of the following statements is true?
a. Faults in program specifications are the most expensive to fix.
b. Faults in code are the most expensive to fix.
c. Faults in requirements are the most expensive to fix.
d. Faults in designs are the most expensive to fix.
24. Which of the following is NOT an integration strategy?
a. Design-based
b. Big-bang
c. Bottom-up
d. Top-down
25. Which of the following is a black box test design technique?
a. statement testing
b. equivalence part itioning
c. error-guessing
d. usability testing
26. A program with high cyclomatic complexity is most likely to be:
a. Large
b. Small
c. Difficult to write
d. Difficult to test
27. Which of the following is a static test?
a. code inspection
b. coverage analysis
c. usability assessment
d. installation test
28. Which of the following is the odd one out?
a. white box
b. glass box
c. structural
d. functional
29. A program validates a numeric field as follows:
Values less than 10 are rejected, values between 10 and 21 are accepted, values greater than or
equal to 22 are rejected.
Which of the following input values cover all of the equivalence partitions?
a. 10, 11, 21
b. 3, 20, 21
c. 3, 10, 22
d. 10, 21, 22
30. Using the same specification as question 29, which of the following covers the MOST boundary
a. 9, 10, 11, 22
b. 9, 10, 21, 22
c. 10, 11, 21, 22
d. 10, 11, 20, 21


Anonymous said...

Hello Vishnu,

Could you please post the answers?

Faiz said...

nice job vishnu-faiz

Anonymous said...

Nice Blog. Excellent collection of posts. It blog will improve the
software testing skills of test professionals.
Keep this good work up.

sindhu said...

Dear sir, plz post the answers for the above questions. Thanx. Sindhu

sindhu said...

Dear sir, plz post answers for the above questions . Thanx. Sindhu

Lorean Buchholt said...

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