GAQM CTFL 問題練習

Question No : 1
What should be the MAIN objective during development testing?

• A.To cause as many failures as possible so that defects in the software are identified and can be fixed
• B.To confirm that the system works as expected and that requirements have been met
• C.To assess the quality of the software with no intention of fixing defects
• D.To give information to stakeholders of the risk of releasing the system at a given time

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Question No : 2
Which of the following, if observed in reviews and tests, would lead to problems (or conflict) within teams?

• A.Testers and reviewers are not curious enough to find defects.
• B.Testers and reviewers are not qualified enough to find failures and faults.
• C.Testers and reviewers communicate defects as criticism against persons and not against the software product.
• D.Testers and reviewers expect that defects in the software product have already been found and fixed by the developers.

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Question No : 3
To test a function, the programmer has to write a _________, which calls the function to be
tested and passes it test data:

• A.Stub
• B.Driver
• C.Proxy
• D.None of the above

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Question No : 4
A tool that supports traceability, recording of incidents or scheduling of tests is called..?

• A.A dynamic analysis tool
• B.A test execution tool
• C.A debugging tool
• D.A test management tool
• E.A configuration management tool

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Question No : 5
Designing the test environment set-up and identifying any required infrastructure and tools are a part of which phase:

• A.Test Implementation and execution
• B.Test Analysis and Design
• C.Evaluating the Exit Criteria and reporting
• D.Test Closure Activities

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Question No : 6
Reporting Discrepancies as incidents is a part of which phase:

• A.Test Analysis and Design
• B.Test Implementation and execution
• C.Test Closure Activities
• D.Evaluating exit criteria and reporting

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Question No : 7
Which of the following is a benefit of test independence?

• A.It does not require familiarity with the code.
• B.It is cheaper than using developers to test their own code.
• C.It avoids author bias in defining effective tests.
• D.Testers are better at finding defects than developers.

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Question No : 8
Which of the following is correct?
Debugging is:

• A.Testing/checking whether the software performs correctly.
• B.Checking that a previously reported defect has been corrected.
• C.Identifying the cause of a defect, repairing the code and checking the fix is correct.
• D.Checking that no unintended consequences have occurred as a result of a fix.

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Explanation:
A Is a brief definition of testing.
B Is retesting.
D Is regression testing.

Question No : 9
Incorrect form of Logic coverage is:

• A.Statement Coverage
• B.Pole Coverage
• C.Condition Coverage
• D.Path Coverage

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Question No : 10
Consider the following pseudo code:
1 Begin
2 Read Time
3 If Time < 12 Then
4 Print (Time, "am")
5 Endif
6 If Time > 12 Then
7 Print (Time 12, "pm")
8 Endif
9 If Time = 12 Then
10 Print (Time, "noon")
11 Endif
12 End
How many test cases are needed to achieve 100 per cent decision coverage?

• A.1
• B.2
• C.3
• D.4

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Explanation:
The three decisions are in sequence and the conditions are all mutually exclusive (if any one is true the others must be false). Hence a test case that makes the first decision true will make the second and third decisions false and so on.
So test case 1 (say Time = 6) would exercise the path True, False, False, test case 2 (say Time = 15) would exercise the path False, True, False. Test case 3 would have to be Time = 12. This combination achieves 100 per cent decision coverage because each decision has been exercised through its true and its false outcomes.

Question No : 11
Which of the following is not a type of incremental testing approach?

• A.Top down
• B.Big-bang
• C.Bottom up
• D.Functional incrementation.

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Question No : 12
Tests are prioritized so that:

• A.You shorten the time required for testing
• B.You do the best testing in the time available
• C.You do more effective testing
• D.You find more faults

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Question No : 13
Boundary value testing:

• A.Is the same as equivalence partitioning tests
• B.Test boundary conditions on, below and above the edges of input and output equivalence classes
• C.Tests combinations of input circumstances
• D.Is used in white box testing strategy

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Question No : 14
The difference between re-testing and regression testing is:

• A.Re-testing is running a test again; regression testing looks for unexpected side effects
• B.Re-testing looks for unexpected side effects; regression testing is repeating those tests
• C.Re-testing is done after faults are fixed; regression testing is done earlier
• D.Re-testing uses different environments, regression testing uses the same environment
• E.Re-testing is done by developers, regression testing is done by independent testers

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Question No : 15
Topic 13, Mix Questions

What benefits do static analysis tools have over test execution tools?

• A.Static analysis tools find defects earlier in the life cycle.
• B.Static analysis tools can be used before code is written.
• C.Static analysis tools test that the delivered code meets business requirements.
• D.Static analysis tools are particularly effective for regression testing.

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