IBM C2020-013 Online Practice Questions and Exam Preparation

IBM C2020-013 Online Questions & Answers

• Question 11:

  An online retailer wants to identify groups of customers based on components of their buying behavior, such as types of products purchased, volume of purchases, and frequency of purchases. What type of model would be used?

  A. Association model
  B. Segmentation model
  C. Classification model
  D. Sequence model
  B. Segmentation model

• Question 12:

  To correctly read the Excel?file shown below,

  

  Which dialog box settings are appropriate?

  A

• Question 13:

  True or false: in the stream below

  

  , the CHAID node and Neural Net node can be combined in a single Supernode.

  A. True
  B. False
  B. False

• Question 14:

  True or false: the optimal binning method in the Binning node uses a Supervisor field to determine the binning cut points.

  A. True
  B. False
  A. True

• Question 15:

  Given the Type node shown below,

  

  What specifications are necessary to change all values outside the range 1 to 15 in field dropped_calls to the undefined ($null$) value?

  A. Pass Values and Check action Nullify
  B. Specify Values Lower 1 and Upper 15 and Check action Nullify
  C. Specify Values Lower 1 and Upper 15 and Check action Discard
  D. Read Values and Check action Warn
  B. Specify Values Lower 1 and Upper 15 and Check action Nullify

• Question 16:

  Which node can be used to impute (estimate) missing values?

  A. Data Audit node
  B. Balance node
  C. Filler node
  D. Reclassify node
  A. Data Audit node

• Question 17:

  Which method would be used on the Merge node in order to combine a file containing 100 products and a file containing 50 suppliers and retain only the matching records?

  A. Inner join
  B. Anti-join
  C. Full outer join
  D. Partial outer join
  A. Inner join

• Question 18:

  Which fields are created by this Derive dialog?

  

  A. Three fields representing the difference between Travel-1 and each of the other Travel fields
  B. No operation will be performed because the expression is invalid.
  C. Four fields representing the difference in weeks between AcctEst and each of the Travel fields
  D. A field representing the difference between AcctEst and the global @FIELD value
  C. Four fields representing the difference in weeks between AcctEst and each of the Travel fields

• Question 19:

  A prison system has historical data on prison inmates and wants to find what factors are related to recidivism (return to prison). What type of model would be used?

  A. Segmentation model
  B. Classification model
  C. Association model
  D. Anomaly model
  B. Classification model

• Question 20:

  What will occur if the deployment data has a very different range than the data that was used in modeling?

  A. The model will underpredict.
  B. The model will overpredict.
  C. The model may overpredict or underpredict.
  D. The model nugget will automatically nullify those cases that are out of range .075.
  C. The model may overpredict or underpredict.