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PEGAPCDS86V1 Real Exam Questions

Pega Certified Data Scientist (PCDS) 86V1

51 questions available · Page 1 of 6

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Question 1 Single choice

A large online store wants to adapt to changing customer behavior, and at the same time does not want to get earned away by every next hype in the market. Adaptive models can help accomplish both business objectives.

Which statement about adaptive models is correct?

  1. A

    Adaptive models perform a spectrum model calculation.

  2. B

    Adaptive models perform a scoring model calculation.

  3. C

    Adaptive models require underlying predictive models.

  4. D

    Adaptive models are regression models.

Show answer and explanation

Correct answer: D

Question 2 Single choice

In a strategy defined in the "Retention" issue and the "X-Sell" group, you can import

  1. A

    propositions from the Sales issue

  2. B

    propositions from all groups under the "Retention" issue

  3. C

    all propositions from the system

  4. D

    propositions from "X-Sell" group

Show answer and explanation

Correct answer: C

Question 3 Multiple choice

As a Data Scientist you want to use a predictive model to detect potential churn for a telco company.

Which three options do you have? (Choose Three)

  1. A

    Import a third party PMML model

  2. B

    Use a Google ML model

  3. C

    Create a Text extraction model

  4. D

    Create an adaptive self-learning model

  5. E

    Use Pega machine learning to build a model

Show answer and explanation

Correct answers: A, C, E

Question 4 Single choice

What is the key characteristic that Next-Best-Action must consider to satisfy customer needs?

  1. A

    Service

  2. B

    Fraud

  3. C

    Mobility

  4. D

    Relevancy

Show answer and explanation

Correct answer: A

Question 5 Single choice

A company wants to simulate decisions that requires large amounts of data. However, the organisation's live data is inaccessible. Your advice is to use a Monte Carlo data set.

The Monte Carlo method________________

  1. A

    enables the company to generate random data for most of its application needs

  2. B

    generates data that the company can use as input for adaptive decisioning

  3. C

    combines external data sets into a larger data set

  4. D

    makes the organisation's live data accessible

Show answer and explanation

Correct answer: A

Question 6 Single choice

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

  1. A

    Scorecard Model

  2. B

    Adaptive Model

  3. C

    PMML Model

  4. D

    Predictive Model

Show answer and explanation

Correct answer: D

Question 7 Single choice

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___________________. .

  1. A

    similar offers were rejected by the customer

  2. B

    similar offers were accepted by the customer

  3. C

    the offer was rejected by similar customers

  4. D

    the offer was accepted by similar customers

Show answer and explanation

Correct answer: B

Question 8 Single choice

When selecting the list of predictors for an adaptive model you should

  1. A

    consider a wide range of properties

  2. B

    always use numeric type for integer properties

  3. C

    select at least one date property

  4. D

    select up to a maximum of 500 predictors

Show answer and explanation

Correct answer: D

Question 9 Single choice

A contact center application recommends three actions for a customer. The business team wants to know the possible ways in which these actions can be ordered so that the contact center agent can discuss one proposition at a time, starting from the top.

As a strategy designer, if you use a Prioritize component to order the actions, what are your options?

  1. A

    In a random order

  2. B

    In ascending or in descending order based on a numerical value

  3. C

    In the order in which they are displayed in the strategy canvas

  4. D

    In the order controlled by the contact center agent

Show answer and explanation

Correct answer: D

Question 10 Single choice

To enable an assessment of its reliability, the Adaptive Model produces three outputs: Propensity. Performance and Evidence.

The performance of an Adaptive Model that has not collected any evidence is_____________________.

  1. A

    1-0

  2. B

    null

  3. C

    0.5

  4. D

    0.0

Show answer and explanation

Correct answer: D