IBM IBM Certifications C2090-012 Questions & Answers

• Question 11:

  Given the Type node shown below, what specifications are necessary to change all values outside the range Ito 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

  Correct Answer: B

• Question 12:

  Only Terminal nodes (Graphs, Modeling, Output, Export) have a Run button as displayed in the graphic.

  

  A. True

  B. False

  Correct Answer: A

• Question 13:

  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

  Correct Answer: A

• Question 14:

  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 AcclEst and each of the Travel fields

  D. A field representing the difference between AcctEst and the global @FIELD value

  Correct Answer: C

• Question 15:

  The CRISP-DM Process Methodology is a linear process.

  A. True

  B. False

  Correct Answer: B

• Question 16:

  The SetToFlag node creates separate flag fields for values of a categorical field. It must be followed by an Aggregate node in order to aggregate the flag fields on a grouping field such as transaction records grouped to customer's records.

  A. True

  B. False

  Correct Answer: B

• Question 17:

  The optimal binning method in the Binning node uses a Supervisor field to determine the binning cut points.

  A. True

  B. False

  Correct Answer: A

• Question 18:

  Given the information below, which node would be used to produce the correlation statistic between the fields off peak_calls and weekend_calls?

  

  A. Matrix node

  B. Statistics node

  C. Histogram node

  D. Means node

  Correct Answer: B

• Question 19:

  Auto checking for invalid values can be done on the Type tab in any Source node.

  A. True

  B. False

  Correct Answer: A

• Question 20:

  In the stream below, the CHAID node and Neural Net node can be combined in a single Super node.

  

  A. True

  B. False

  Correct Answer: B