IBM C2090-013 問題練習

Question No : 1
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

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Question No : 2
Which node can be used to impute (estimate) missing values?

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

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Question No : 3
True or false: auto checking for invalid values can be done on the Type tab in any Source node.

• A.True
• B.False

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Question No : 4
To correctly read the Excel® file shown below,



Which dialog box settings are appropriate?
A)



B)



C)



D)

• A.Exhibit A
• B.Exhibit B
• C.Exhibit C
• D.Exhibit D

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Question No : 5
True or false: given the information in the Data Audit Quality table below, the generated Filter node will exclude only the fields logwire, logequi, logtoll, and logcard.

• A.True
• B.False

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Question No : 6
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

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Question No : 7
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 HOLCOS
• B.Ten records will be deleted.
• C.Ten records will be set to the system missing (null) value for HOLCOS
• D.Nine records will be deleted.

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Question No : 8
Which node is used to read data from a comma delimited text file?

• A.Var. File
• B.Data Collection
• C.Fixed File
• D.Statistics File

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Question No : 9
True or false: the CRISP-DM Process Methodology is a linear process.

• A.True
• B.False

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Question No : 10
How many phases are in the CRISP-DM Process Methodology?

• A.Four
• B.Five
• C.Six
• D.Seven

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