ISQI CT-AI_v1.0_World : ISTQB Certified Tester AI Testing (v1.0)

A software component uses machine learning to recognize the digits from a scan of handwritten numbers. In the scenario above, which type of Machine Learning (ML) is this an example of?
SELECT ONE OPTION

• A. Regression
• B. Clustering
• C. Reinforcement learning
• D. Classification

In a certain coffee producing region of Colombia, there have been some severe weather storms, resulting in massive losses in production. This caused a massive drop in stock price of coffee.
Which ONE of the following types of testing SHOULD be performed for a machine learning model for stock-price prediction to detect influence of such phenomenon as above on price of coffee stock.
SELECT ONE OPTION

• A. Testing for security
• B. Testing for bias
• C. Testing for accuracy
• D. Testing for concept drift

Arihant Meditation is a startup using Al to aid people in deeper and better meditation based on analysis of various factors such as time and duration of the meditation, pulse and blood pressure, EEG patters etc. among others. Their model accuracy and other functional performance parameters have not yet reached their desired level.
Which ONE of the following factors is NOT a factor affecting the ML functional performance?
SELECT ONE OPTION

• A. Biased data
• B. The data pipeline
• C. The quality of the labeling
• D. The number of classes

Which ONE of the following options BEST DESCRIBES clustering?
SELECT ONE OPTION

• A. Clustering is done without prior knowledge of output classes.
• B. Clustering is classification of a continuous quantity.
• C. Clustering requires you to know the classes.
• D. Clustering is supervised learning.