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2021 Nov C2090-930 pdf exam
Q1. Which task is part of the Data Understanding stage of the CRISP-DM process model?
A. Explore data
B. Balance data
C. Clean data
D. Construct data
Answer: C
Q2. You are provided with a data set that includes daily maximum temperatures at an airport. Your analysis requires you to create a new field containing the maximum temperature from five days ago.
Which node would be used for this purpose?
A. History node
B. Filler node
C. Transpose node
D. Binning node
Answer: A
Q3. When using IBM SPSS Modeler Professional, you want to organize your streams, annotations, stream output, and results within the interface.
Which two tabs within Modeler will allow you to accomplish this goal? (Choose two.)
A. Favorites
B. CRISP-DM
C. Classes
D. Models
Answer: B,D
Q4. You need to export data using IBM SPSS Modeler Professional.
Which two nodes should be used to accomplish this task? (Choose two.)
A. Database
B. Select
C. Flat File
D. Filter
Answer: A,C
Explanation: Reference:
ftp://public.dhe.ibm.com/software/analytics/spss/documentation/modeler/16.0/en/modeler_nodes_general.pdf
Q5. What are two purposes of model nuggets? (Choose two.)
A. Scoring data to generate predictions
B. Enabling further analysis of the model properties
C. Merging of two or more data sets
D. Reducing the number of columns in a data set
Answer: B,D
Most recent C2090-930 sample question:
Q6. You have a data set with numeric fields (columns) that contain null values. You want to replace each of these null values with the value of zero.
Which node will you use to accomplish this task?
A. Type node
B. Filler node
C. Filter node
D. Binning node
Answer: C
Q7. You have a large amount of data from which you want to build a model. Although many of the records of data are complete, there are substantial amounts of records which contain missing data. The records containing incomplete information should be excluded from analysis.
Which node will exclude the undesired records?
A. Filler node
B. Filter node
C. Select node
D. Aggregate node
Answer: C
Q8. An e-retailer conducting a data mining project has limited an initial study to approximately 30,000 customers who have registered on the site. There are still millions of records in the Web logs. The data miner wants to determine the frequency distribution of the age of their customers. The Age column is acontinuous field.
Which node would you use to accomplish this task?
A. Sim Fit node
B. Report node
C. Histogram node
D. Transform node
Answer: C
Q9. You are provided two data sources which both contain event IDs and the date/time that the events occurred.
A. Append node
B. Filter node
C. Aggregate node
D. Sort node
Answer: A
Q10. When describing data, which two nodes address value types? (Choose two.)
A. Data Audit node
B. Statistics node
C. Type node
D. Report node
Answer: A,C