ISTQB- Module4- Exam2

1. Find the Equivalence class for the following test case: Enter a number to test the validity of being accepting the numbers between 1 and 99. Select one:

All numbers > 99

All numbers between 1 and 99

Number = 0

All numbers < 1

2. How are error guessing and exploratory testing similar? Select one:

Both are experience-based testing

Both are effective at all testing levels

Both are widely used formal techniques

Both are white-box test design techniques

3. Incorrect form of Logic coverage is? Select one:

Statement Coverage

Pole Coverage

Path Coverage

Condition Coverage

4. Code Coverage is used as a measure of what ? Select one:

Test Effectiveness

Defects

Time Spent Testing

Trends analysis

5. By creating future tests based on the results of previous tests, a tester is demonstrating what type of informal test design technique? Select one:

Non-functional testing

Exploratory testing

Interoperability testing

Security testing

6. Expected results does not include? Select one:

Information displayed on a screen in response to input

Changes to states

Changes to data

Personal information

7. Find the invalid equivalence class for the following test case: Draw a line up to the length of 4 inches. Select one:

Line with 1 dot-width

Curve

Line with 1 inch

Line with 4 inches

8. Ask: "What type of bread do you require, white or brown?" IF the customer wants 'brown' Ask: "Which type, sliced or un-sliced?" IF the customer replies 'un-sliced' Say: "That will be 95p" ELSE Say: "That will be 65p" ENDIF ELSE Say: "That will be 75p" ENDIF How many tests are required to achieve full Branch Coverage? Select one:

4

5

6

3

9. Suggest an alternative for requirement traceability matrix? Select one:

Average defect aging

Test Effectiveness

Test Coverage matrix

Error discovery rate

10. Match the test design techniques to the correct descriptions: S. Black-box technique T. White-box technique U. Structural-based technique V. Specification-based technique 1. Selecting test cases based on documentation 2. Ignoring the internal structure of the system? Select one:

T1, T2, V1 and V2

S1, S2, U1 and U2

T1, T2, U1 and U2

S1, S2, V1 and V2

11. For withdrawing money from an automated Teller Machine ATM,the following conditions are required, 1. The bank card is valid, 2. The pin card is valid, 3. Money is available in the users account 4. The following are some possible instructions between the user and the ATM, A. The entered card is invalid, The card is rejected B. The PIN code is wrong, The ATM asks for another PIN code C. The requested amount more than available in the users account, The ATM asks for another amount. D. The requested amount is available in the users account The ATM dispenses the money. Which test design technique should be used to cover all possible Combinations of the input conditions? Select one:

Use case based testing.

Equivalence class partitioning.

Boundary value analysis

Decision table.

12. Assume postal rates for 'light letters' are: $0.25 up to 10 grams $0.35 up to 50 grams $0.45 up to 75 grams $0.55 up to 100 grams Which test inputs (in grams) would be selected using boundary value analysis? Select one:

25, 26, 35, 36, 45, 46, 55, 56

0, 1, 10, 11, 50, 51, 75, 76, 100, 101

10, 50, 75, 100, 250, 1000

0, 9, 19, 49, 50, 74, 75, 99, 100

13. Error seeding? Select one:

Errors inserted by the developers intentionally to make the system malfunctioning.

For identifying existing errors

Evaluates the thoroughness with which a computer program is tested by purposely inserting errors into a supposedly correct program.

Both Evaluates the thoroughness and errors inserted by the developers

14. Before delivering a new release,we want to know whether or not we have tested all of the specified requirements in the requirement specification. We have the list of the tests that have passed-was every requirement is tested, This example explains? Select one:

Why Trace-ability is important

Why testing is important

Why understanding document is important

Why test plan is important

15. Test coverage analysis is the process of ? Select one:

Determining a quantitative measure of code coverage, which is a direct measure of quality.

Finding areas of program exercised by the test cases

Creating additional test cases to increase coverage

All of the Options.

16. If x>200 then Z=x+y endif If x<200 & y=150 then X++ endif values of x & y. How many test cases? Select one:

3

2

5

1

17. Match the following: a. Test data b. Test case c. Test oracle d. Test condition 1. A set of input values,execution preconditions,expected results and execution post conditions,developed for a particular objective . 2. A source to determine expected results to compare with the actual result of the software under test. 3. Data that exists before a test is executed and that is effected by component under test. 4. An item of a component that could be verified by cases. ? Select one:

B1,c2,a3 and d4

A1,c2,b3 and d3

B4,c3,a2 and d1

B2,c3,a4 and d2

18. Minimum Test Required for Statement Coverage: Disc = 0 Order-qty = 0 Read Order-qty If Order-qty >=20 then Disc = 0.05 If Order-qty >=100 then Disc =0.1 End if End if Select one:

Statement coverage is 3

Statement Coverage is 2

Statement coverage is 1

Statement coverage is 4

19. If a candidate is given an exam of 40 questions, should get 25 marks to pass (61%) and should get 80% for distinction, what is equivalence class? Select one:

0, 12, 25

30, 36, 39

23, 24, 25

32, 37, 40

20. If the pseudo code below were a programming language, how many tests are required to achieve 100% statement coverage: If A = 3 then Display_message A; If B = 2 then Display_message B; Else Display_message C; Select one:

4

1

3

2

21. Test conditions,test cases and test procedures are specified in its own document according to test documentation standard? Select one:

IEEE 829

1EEE 810

ISO/IEEE 829

ISO 829

22. Test design mainly emphasizes all the following except? Select one:

Test procedures planning

Mapping the requirements and test cases

Data planning

Data synchronization

23. In a system designed to work out the tax to be paid: An employee has $4000 of salary tax free. The next $1500 is taxed at 10% The next $28000 is taxed at 22% Any further amount is taxed at 40%. Which of these groups of numbers would fall into the same equivalence class? Select one:

$4800; $14000; $28000

$5200; $5500; $28000

$5800; $28000; $32000

$28001; $32000; $35000

24. Based on the error guessing test design technique, which of the following will an experienced tester MOST LIKELY test in calender software. I. First two letters of the month, e.g., MA can represent March or May II. First letter of the day, e.g., T can mean Tuesday or Thursday III. Leap year IV. Number of days in a month V. Three-digit days and months Select one:

III and IV

I, II and V

I, II, IV and V

I, II, III and IV

25. If the temperature falls below 18 degrees, the heating system is switched on. When the temperature reaches 21 degrees, the heating system is switched off. What is the minimum set of test input values to cover all valid equivalence partitions? Select one:

15, 19 and 25 degrees

17, 18, 20 and 21 degrees

18, 20 and 22 degrees

16 and 26 degrees

26. For the code fragment given below, which answer correctly represents minimum tests required for statement and branch coverage respectively: discountRate = 1; fare = 1000; If ((person=="senior citizen") and (travelmonth==January)) Bonus points=100+bonuspoints If (class=="first") discountRate = 5; Fare = fare * discountRate; Select one:

Statement coverage = 1 Branch coverage = 3

Statement coverage = 1 Branch coverage = 2

Statement coverage = 2 Branch coverage = 4

Statement coverage = 2 Branch coverage = 2

27. If x=3 then Display_messageX; If y=2 then Display_messageY; Else Display_messageZ; how many tests are required to achieve 100% branch/decision coverage? Select one:

3

4

2

1

28. If ((A>1) & (B=0)) then Do; X=X/A; END; If ((A==2) | (X>1)) then Do; X=X+1; END; Calculate statement coverage and branch coverage ? Select one:

Statement coverage = 2 Branch coverage = 2

Statement coverage = 1 Branch coverage = 3

Statement coverage = 2 Branch coverage = 1

Statement coverage = 1 Branch coverage = 2

29. Four Equivalence classes are given for integer values, 0 < X <100 100 <= X <= 200 200 < X < 500 X >= 500 Which is the following options represent correct set of data for valid equivalence class partitions ? Select one:

0, 50, 100, 150, 200, 350, 500

0, 1, 99, 100, 200, 201, 499, 500

50, 100, 250, 1000

50, 100, 200, 1000

30. Input and output combinations that will be treated the same way by the system can be tested using which technique? Select one:

Decision table

Equivalence partition

Boundary value

State transition

31. Given the following two programs: Program X: If A>B then Execute function _A() Else Execute function _B() Endif Execute function _C() Program Y: If D > E Then Execute function _D() endif Execute function _E() Execute function _F() Which one of the following is an INCORRECT statement about the programs? Select one:

At least 2 test cases are needed to achieve 100% decision coverage of program Y

At least 2 test cases are needed to achieve 100% statement coverage of program Y

At least 2 test cases are needed to achieve 100% decision coverage of program X

At least 2 test cases are needed to achieve 100% statement coverage of program X

32. Test data planning essentially includes ? Select one:

Network

Operational Model

Test Procedure Planning

Boundary value analysis

33. One technique of Black Box testing is Equivalence Partitioning. In a program statement that accepts only one choice from among 10 possible choices, numbered 1 through 10, the middle partition would be from _____ to _____ ? Select one:

1 to 10

4 to 6

0 to 10

None of the above

34. If the code below was part of a program, how many tests are required to achieve 100% statement coverage: Read A Read B IF A<0 THEN Print "A negative" ENDIF IF B<0 THEN Print "B negative" ENDIF ? Select one:

2

3

1

4

35. Path coverage includes ? Select one:

Decision coverage

Condition coverage

Statement coverage

None of the options

36. Data flow analysis studies ? Select one:

Possible communications bottlenecks in a program

The use of data on paths through the code.

The rate of change of data values as a program executes.

The intrinsic complexity of the code.

37. If the code below was part of a program, how many tests are required to achieve 100% statement coverage: Read A IF A<0 THEN Print "A negative" ENDIF IF A>0 THEN Print "A positive" ENDIF ? Select one:

3

4

2

1

38. Features to be tested, approach, item pass/fail criteria, and test deliverables should be specified in which document? Select one:

Test case specification

Test procedure specification

Test plan

Test design specification

39. Features to be tested, approach refinements, and feature pass/fail criteria BUT not environmental needs should be specified in which document? Select one:

Test case specification

Test design specification

Test procedure specification

Test plan

40. Consider the following pseudo-code, INTEGER K If k>=1 and k<=30 Then PRINT "K is greater than 0 and less than 31" End if Which of the following sets of test input values is the result of a correct boundary values analysis? Select one:

-3, -2,-1, 0 , 30, 31, 32, 33

1, 2, 29, 30

0, 1, 30, 31

-1, 0, 1, 2, 29, 30, 31