ISTQB Certified Tester Foundation Level (CTFL v4.0) 認定 ISTQB-CTFL 試験問題:

1. Which of the following statements is CORRECT about White-box testing?

A) White-box testing helps find defects even when specifications are vague because it takes into account the code
B) White-box testing helps find defects because they can be used to measure statement coverage
C) box testing helps find defects because it provides for requirements based coverage
D) White-box testing helps find defects because it focuses on defects rather than failures

2. Given the following state model of sales order software:
* PLACED -> IN PRODUCTION
* IN PRODUCTION -> CANCELLED
* IN PRODUCTION -> SHIPPED
* SHIPPED -> INVOICED
* INVOICED -> CANCELLED
* CANCELLED -> PLACED
Which of the following sequences of tran-sitions provides the highest level of tran-sition coverage for the model (assuming you can start in any state)?

A) IN PRODUCTION -> SHIPPED -> INVOICED -> CANCELLED -> PLACED -> IN PRODUCTION
B) IN PRODUCTION -> CANCELLED -> PLACED -> IN PRODUCTION -> CANCELLED -> PLACED
C) PLACED -> IN PRODUCTION -> SHIPPED -> CANCELLED -> PLACED
D) PLACED -> CANCELLED -> PLACED -> CANCELLED -> PLACED -> IN PRODUCTION -> CANCELLED

3. Which of the following is NOT a deciding factor m determining the extent of testing required?

A) Level of risk of the product or features
B) Budget to do testing
C) A particular tester involved in testing
D) Time available to do testing

4. The following rules determine the annual bonus to be paid to a salesman of a company based on the total annual amount of the sales made (referred to as TAS).
If the TAS is between 50k€ and 80k€, the bonus is 10%. If the TAS exceeds 80k€ by a value not greater than
40k€, the bonus is 15%. Finally, if the TAS
exceeds the maximum threshold which entitles to a 15% bonus, the bonus is 22%.
Consider applying equivalence partitioning to the TAS (Note: 1k€ = 1000 euros).
Which one of the following answers contain only test cases that belong to the same equivalence partition?

A) TC1 = 90k€; TC2= 110k€; TC3=125k€: TC4=140k€
B) TC1 = 81 k€; TC2= 97k€; TC3=111k€; TC4=118k€
C) TC1 = 40k€; TC2= 46k€; TC3=51k€; TC4=53k€
D) TC1 = 79k€; TC2= 80k€; TC3=81k€; TC4=82k€

5. A team's test strategy was to invest equal effort in testing each of a system's modules. After running one test cycle, it turned out that most of the critical bugs were detected in one of the system's modules.
Which testing principal suggests a change to the current test strategy for the next test cycle?

A) Defect clustering
B) Absence-of-errors fallacy
C) Early testing
D) Pesticide Paradox

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