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Pegasystems PEGACPDS88V1 Certified Pega Data Scientist 8.8 Exam Practice Test

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Total 140 questions

Certified Pega Data Scientist 8.8 Questions and Answers

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Question 1

.Prediction Studio supports keyword-based topic detection, model-based topic detection, or a combination of both. When using a text prediction based on machine learning with keywords configured,_________________.

Options:

A.

the Not keywords function as negative features

B.

the keywords are ignored

C.

the Must keywords are required to detect the topic

D.

keywords and training data have a similar impact on the model

Question 2

Predictive Analytics is a________________

Options:

A.

real time predictive dashboard

B.

method of visualizing our data___________________

C.

science concerned with finding repeatable patterns in

D.

query, reporting and a search tool

Question 3

When building a predictive model, the use of testing and validation samples_______________

Options:

A.

increases the accuracy of models

B.

enables model validation in strategies

C.

is mandatory for segmentation

D.

validates the quality of input data

Question 4

The implementation of Next-Best-Action must involve

Options:

A.

inclusion of third party predictive models

B.

defining business issue and group hierarchy

C.

defining a prioritization formula using contact policies

D.

building a product catalog

Question 5

An adaptive model instance is created when you________

Options:

A.

Execute a strategy containing the adaptive model component

B.

Open the Adaptive model management landing page

C.

Restart the Adaptive Decision Manager Service

D.

Save the Adaptive model rule

Question 6

Which decision component allows you to monitor the real-time performance of a third- party Churn Model?

Options:

A.

Scorecard Model

B.

Adaptive Model

C.

PMML Model

D.

Predictive Model

Question 7

You are a company with a new and unique product, and you want to offer it to the right customer.

Give the scenario, which rule type should you use?

Options:

A.

Adaptive model

B.

Decision table

C.

Predictive model

D.

Scorecard

Question 8

The mapping of the input fields of a third-party predictive model is done in the

Options:

A.

Predictive Model decision component

B.

Predictive Model rule

C.

Predictive Analytics Director portal

D.

Customer class definition

Question 9

U+ Bank wants to offer a 10% discount for customers whose CLV value is higher than 400. Which strategy component should you use to meet the new requirement?

Options:

A.

Group By

B.

Filter

C.

Set Property

D.

Prioritize

Question 10

The filter component is used to filter_______

Options:

A.

Actions

B.

Customers

C.

Adaptive models

D.

attributes

Question 11

Which data is usually not appropriate to be used as a predictor?

Options:

A.

Customer zip code

B.

Historical interaction data

C.

Customer name

D.

Usage data

Question 12

The standardized model operations process (MLOps) lets you replace a low-performing predictive model that drives a prediction with a new one.

Which feature of MLOps lets you monitor the new model in the production environment without affecting the business outcomes?

Options:

A.

Change request

B.

Shadow mode

C.

Historical data capture

D.

Connection to machine learning services

Question 13

Evidence an assessment of its viability, the Adaptive Model produces three outputs: Propensity, Performance and what is evidence in the context of an Adaptive Model? Performance and what is evidence in the context of an Adaptive Model?

Options:

A.

The likelihood of a statistically similar behavior

B.

The number of customers who exhibited statistically similar behavior

C.

The number of customers who have responded to the modeled offer

D.

The number of statistical bins used to evaluate the response

Question 14

As a data scientist, you want to use a predictive model to detect potential churn for a telecom company.

Which three options do you have? (Choose Three)

Options:

A.

Import a third party PMML model

B.

Use a Google ML model

C.

Create a Text extraction model

D.

Create an adaptive self-learning model

E.

Use Pega machine learning to build a model

F.

Use a machine learning service

Question 15

A very important aspect of each model is how good a model or a given predictor is in predicting the required behavior. When building a predictive model, the use of testing and validation samples___________________

Options:

A.

is mandatory for segmentation

B.

validates the quality of input data

C.

enables model validation in strategies

D.

increases the accuracy of models

Question 16

U+ Bank promotes credit card offers on its website and uses Pega Customer Decision Hub to personalize the offer for every customer. Now, the bank wants to lower the number of customers that leave the bank by showing a proactive retention offer to high churn risk customers instead. As an NBA analyst, you are tasked with creating a new applicability setting to comply with the new business rule. Which business issue or issues do you modify?

Options:

A.

The Retention issue

B.

The Sales issue

C.

The Sales issue and the Retention issue

D.

No modification is required

Question 17

In a predictive model rule, the predictors must be mapped to

Options:

A.

Strategy properties

B.

Customer properties

C.

Model properties

D.

Action properties

Question 18

U+ Telecom wants to engage in proactive retention to reduce churn. As a data scientist, you create a prediction that calculates the probability that a client is likely to cancel a subscription. What type of prediction do you create?

Options:

A.

Case management_____

B.

Customer Decision Hub

C.

Text analytics

Question 19

An online store is interested in increasing its revenues from cross-selling and wants to predict the acceptance rate of the offers presented on their website. A customer's propensity to accept an offer increases when_________.

Options:

A.

Similar offers were rejected by the customer

B.

The offer was rejected by similar customers

C.

Similar offers were accepted by the customer

D.

The offer was accepted by similar customers

Question 20

Which statement about Pega AI is correct?

Options:

A.

Pega AI is primarily based on models newly build in Prediction Studio

B.

Pega AI is restricted to models newly build in Prediction Studio

C.

Pega AI is restricted to self-learning models

D.

Pega AI is primarily based on self-learning models

Question 21

When building a predictive model, the Data Analysis stage is where you

Options:

A.

create data samples

B.

select the input data

C.

group predictors

D.

determine the output field

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Total 140 questions