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IBM C2090-013 - Questions & Answers

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Question 1
Single choice

True or false: the CRISP-DM Process Methodology is a linear process.

A.

True

B.

False

Question 2
Single choice

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

Question 3
Single choice

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.

Question 4
Single choice

Examine the Data Audit output shown below.

What action will occur in a generated Outlier & Extreme Supernode for HOLCOST?

A.

Nine records will be set to the system missing (null) value for HOLCOST.

B.

Ten records will be deleted.

C.

Ten records will be set to the system missing (null) value for HOLCOST.

D.

Nine records will be deleted.

Question 5
Single choice

Which node can be used to easily generate a field that divides the data into subsamples for the Training and Testing stages of modeling?

A.

Sample

B.

Filler

C.

Balance

D.

Partition

Question 6
Single choice

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

Question 7
Single choice

True or false: running Auto Dataprep results in data transformation nodes placed in a Supernode on the canvas.

A.

True

B.

False

Question 8
Single choice

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

A.

Data Audit node

B.

Balance node

C.

Filler node

D.

Reclassify node

Question 9
Single choice

True or false: auto checking for invalid values can be done on the Type tab in any Source node.

A.

True

B.

False

Question 10
Single choice

Which of the following types of nodes will have data flowing both in and out, when used in a stream?

A.

Record Ops

B.

Graphs

C.

Export

D.

Sources

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