Exam ISTQB-CTAL-TA Topic 1 Question 18 Discussion

Actual exam question for ISTQB's ISTQB-CTAL-TA exam
Question #: 18
Topic #: 1
A game component calculates a player's trophy level based on Points Earned and Level of Difficulty.
The total score is calculated as (Points Earned * Level of Difficulty). Trophy levels are as follows:
* Blue:# 40
* Silver:> 40
* Gold:> 70
* Diamond:> 80
* Platinum:> 90
Test cases:
* Player 1:Points earned 25, level of difficulty 2 # Total Score = 50 (Silver)
* Player 2:Points earned 20, level of difficulty 3 # Total Score = 60 (Silver)
* Player 3:Points earned 30, level of difficulty 1 # Total Score = 30 (Blue) What percentage of output partitions have been exercised by the following suite of test cases?
SELECT ONE OPTION

Suggested Answer: C Vote an answer

Comprehensive and Detailed in Depth Explanation:
Equivalence Partitioningdivides input or output data intopartitionsthat are treated similarly by the system.
* Output Partitions:
* Blue (# 40)
* Silver (> 40 and # 70)
* Gold (> 70 and # 80)
* Diamond (> 80 and # 90)
* Platinum (> 90)
Test Case Coverage:
* Player 1:Silver (covered)
* Player 2:Silver (covered)
* Player 3:Blue (covered)
* The test cases cover2 out of 5 partitions(Blue and Silver).
* Coverage Percentage:25×100=40\frac{2}{5} \times 100 = 40%52×100=40
Therefore, the correct answer isA (40%).

by Arno at May 25, 2025, 02:57 AM

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