Exam Topics

The following are covered in IBM P2090-95 practice exams and IBM P2090-95 practice test:

• QualityStage General Questions - 100%

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Sample Questions

Which of the following rules will retain FIELD1 with the longest last name and TITLE equals to “MR”?

• FIELD1: SIZEOF(TRIM(c.“LASTNAME”))<= SIZEOF(TRIM(b.“LASTNAME”)) AND c.TITLE=“MR”
• FIELD1: SIZEOF(TRIM(c.“LASTNAME”))>= SIZEOF(TRIM(b.“LASTNAME”)) AND c.TITLE=“MR”
• FIELD1: SIZEOF(TRIM(c.“LASTNAME”))>= SIZEOF(TRIM(c.“LASTNAME”)) AND c.TITLE=“MR”
• FIELD1: SIZEOF(TRIM(c.“LASTNAME”))>= SIZEOF(TRIM(b.“LASTNAME”)) AND b.TITLE=“MR”

Which of the following is TRUE regarding the use of Critical Fields?

• Critical Fields do not have to match exactly.
• Critical Fields are fields with missing values.
• Critical Fields are used to identify fields that must agree in order for records to be linked.
• Only critical fields of a record are used to calculate the composite weights of the record.

In Standardization Rule Sets, classification table contains what?

• Token, standard form, class, and override rules.
• Field name, data type, and position in record.
• Class, token, and standard form.
• Pattern of tokens, actions to execute, and the logic.

Investigation of data using QualityStage is for _____________________

• transforming the data from one data type to another.
• discovering the actual values of missing data.
• verifying the reliability of the data in the fields to be used as matching criteria.
• identifying all the data sources for data consolidation.

What is DataStage/Quality Stage Administrator client used for?

• Setting up project properties.
• Exporting log messages for a job.
• Compiling all the jobs at once.
• Scheduling jobs to execute.

What does character discrete investigation examine?

• None of the above.
• Both single domain and multiple domain fields.
• Single domain fields.
• Multiple domain fields.

What is DataStage/QualityStage Director client used for?

• Clearing log messages of a job.
• Publishing and managing shared information services.
• Enabling run time column propagation for parallel jobs.
• Compiling and executing a job.

Which one of the following is NOT a survive technique?

• Longest Field
• Most Recent
• Most Frequent
• Probability based rule

Which of the following should be avoided regarding the use of Match Improvement Strategy?

• Adjust weights using weight overrides.
• Use only one Match Pass.
• Add additional passes.
• Set critical values for important fields.

A QualityStage investigate job will NOT ________________

• examine single domain and free-form text fields.
• identify invalid and default values.
• group records together that are considered duplicates.
• discover trends and anomalies.

What does the informational content of a QualityStage Match phase measure?

• The significance of discriminating value and frequency.
• The confidence of a match.
• The degree of importance of a particular data field.
• The severity of false positives and false negatives.

What does the QualityStage Standardization Rule Set contain?

• Rules on which records to keep
• Rules for eliminating columns of data.
• Logic for parsing, classifying, and pattern processing the data.
• Information on how to perform calculation with the data.

Which one of the following is NOT a necessary step in QualityStage to address data quality issues?

• Survive
• Investigate
• Standardize
• Transform

If data value AEJPA 5342G is investigated using an all-C mask, what would the result look like?

• AEJPA XXXXG
• AEJPA 5342G
• CCCCBCCCCC
• AEJPA G

Which of the following is NOT true regarding the use of Match Type?

• Reference Match has one-to-one correspondence.
• All of the above.
• Unduplicate Match requires two source files.
• Reference Match has many-to-one correspondence.

What will a QualityStage match job do?

• Create cross reference keys.
• Gain complete understanding of data within context.
• Construct consolidated household views of individuals.
• Enforce business standards on data elements.

Which of the following is Weight Override used to add or replace?

• All of the above.
• Disagreement weight
• Calculated weight
• Agreement weight

Which of the following is NOT a Match Stage comparison method?

• NAME_UNCERT
• UNCERT
• FREQUENCY
• CNT_DIFF

Which of the following will be generated by a QualityStage Word Investigate job?

• Sample report and token report.
• Pattern report and output report.
• Sample report and detail report.
• Pattern report and token report.

What is Character Concatenate method used for?

• All of the above.
• To analyze data using one or more character masks.
• To generate reports for frequency and pattern references.
• To investigate one or more fields to uncover any relationship between the field values.

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