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Free PEGACPDS26V1 sample questions

Real questions from the Certified Pega Data Scientist (PEGACPDS26V1) practice bank, with the correct answer and an explanation for each one. No junk, no filler.

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Showing 6 of 12 free sample questions.

Question 1Choose one

A data scientist is reviewing the Next-Best-Action Designer arbitration configuration for a telecommunications company using Pega Customer Decision Hub '26. The company wants to ensure that a retention offer is prioritized over a cross-sell offer when a customer is highly likely to churn, even if the cross-sell offer has a higher historical conversion rate. Which component of the arbitration formula must the data scientist adjust to achieve this specific outcome?

Question 2Choose one

An organization is deploying the out-of-the-box Predict Web Propensity model in Pega Customer Decision Hub. The marketing team notices that a small percentage of web visitors are not receiving the AI-driven next best actions, but instead receive a random selection of actions. What is the primary purpose of this behavior?

Question 3Choose one

A retail bank uses Adaptive Decision Manager (ADM) to personalize credit card offers. A data scientist introduces 50 new predictors, including several highly correlated demographic fields (e.g., 'Age' and 'Years in Workforce'). How does ADM natively handle these highly correlated predictors during model learning?

Question 4Choose one

True or False: In Pega Infinity '26, adaptive models must be taken offline periodically so that a data scientist can manually retrain them using the latest batch of customer response data.

Question 5Choose 2

While reviewing the Adaptive Model monitor tab in Prediction Studio, a data scientist examines the Bubble chart plotting Model Performance (AUC) on the Y-axis and Success Rate on the X-axis. Several models appear clustered in the bottom-right quadrant. Which TWO conclusions can be drawn about these specific models? (Select TWO) quadrantChart title Model Performance vs Success Rate x-axis Low Success Rate --> High Success Rate y-axis Low AUC --> High AUC quadrant-1 Stars quadrant-2 Niche quadrant-3 Dead quadrant-4 Cash Cows Model A: [0.8, 0.2] Model B: [0.9, 0.3]

Question 6Choose one

When configuring an adaptive model in Prediction Studio, a data scientist must define the outcome mapping. If the business wants the model to predict the likelihood of a customer clicking a web banner, how should the outcomes be categorized?

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