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2021 Dec C2090-930 test preparation

Q11. A telecommunication company wants to predict their customers' purchase decisions from four service options (categorical value).

Using IBM SPSS Modeler Professional, which modeling node should be used?

A. Linear

B. Logistic

C. SuperNode

D. Regression

Answer: D


Q12. You want to illustrate the strength of the relationship between blood pressure and prescription drug to which a patient responded. The blood pressure variable has been binned into ten values.

Which node should be used?

A. Time Plot Node

B. Evaluation Node

C. Web Node

D. RFIVL Analysis Node

Answer: C


Q13. Which statement is true about association models?

A. Association models associate a particular conclusion, such as the decision to buy something with a set of conditions.

B. The Regression node can directly generate an association model.

C. TheApriori node does not require one or more target (consequent) fields to build an association model.

D. TheCarma node requires both one or more input fields and one or more target (consequent) fields to build an association model.

Answer: D

Explanation: Reference:

http://www- 01.ibm.com/support/knowledgecenter/SS3RA7_15.0.0/com.ibm.spss.modeler.help/carman ode_general.htm


Q14. What is an accurate description of the purpose of data segmentation?

A. Separate an individual data field into a predefined number of equal-sized groups according to the field values.

B. Assemble similar data across data sets by using a primary key.

C. Separate a data set into two equal partitions in preparation for continued analysis.

D. Group data using one or more fields to produce subsets with similar attributes.

Answer: D


Q15. Which two types of missing values are automatically recognized by IBM SPSS Modeler Professional without being explicitly defined by users? (Choose two.)

A. Null or system-missing values

B. String with value "%NULL%"

C. Blank missing values

D. Numeric set to NaN

Answer: B,D


Updated C2090-930 free practice questions:

Q16. You need to output only a list of field names, arranged in a single column, for a reporting function. You have already imported the data using a Database node and know it has 25,000 records.

Which node sequence would yield the desired output?

A. Database > Filter > Transform > Table

B. Database > Transform > Filter > Table

C. Database > Filter > Transpose > Table

D. Database > Transpose > Filter > Table

Answer: C


Q17. What is a unique capability of scripting in IBM SPSS Modeler Professional?

A. SuperNode creation

B. Process automation

C. Model customization

D. Output formatting

Answer: A

Explanation: Reference:

ftp://public.dhe.ibm.com/software/analytics/spss/documentation/modeler/16.0/en/modeler_jython_scripting_automation_book.pdf


Q18. You are working on a project where the business objective is to increase sales revenue. With which CRISP-DM process model stage would you start?

A. Data Preparation

B. Data Understanding

C. Evaluation

D. Business Understanding

Answer: C


Q19. You need to produce a variety of data files that will be viewed in external applications outside of IBM SPSS Modeler Professional, such as IBM SPSS Statistics or Microsoft Excel.

Which palette tab would be used in this scenario?

A. Output

B. Export

A. C. Source

D. Modeling

Answer: C


Q20. You have two data sets. One data set contains customer name and age information along with a customer ID. The second data set contains the customer ID along with address information. There are no addresses which do not belong to a customer, there are customers which have no address, and there are customers which have multiple addresses.

Which type of join will display all customers who have no recorded address?

A. Inner join

B. Outer join

C. Partial outer join

D. Anti-join

Answer: C