- Exam Code: C2090-304
- Exam Name: IBM InfoSphere QualityStage v9.1 Solution Developer
- Certification Provider: IBM
- Corresponding Certification: IBM Certified Solution Developer
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Updated: Oct 20, 2026
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IBM C2090-304 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Job Design and Development | 10% | - Testing and debugging - Performance optimization - Building QualityStage jobs |
| Data Matching and Survivorship | 25% | - Survivorship and merge logic - Blocking strategies - Match specification design - Match weights and thresholds |
| QualityStage Architecture and Concepts | 20% | - InfoSphere Information Server integration - QualityStage components and services - Data quality lifecycle |
| Data Investigation and Profiling | 20% | - Character Investigation stage - Pattern and frequency analysis - Word Investigation stage |
| Data Standardization | 25% | - Standardize rule sets - Override and custom rules - Name, address, and generic standardization |
IBM InfoSphere QualityStage v9.1 Solution Developer Sample Questions:
What two approaches to use when determining fields to use for blocking?
- A. Each field should be investigated to determine completeness and validity.
- B. Use as few fields as possible in the blocking phase so more records are grouped.
- C. Investigate the combination of fields to assess block sizes.
- D. Selecting which field to use will have little impact on the matching results.
- E. Select fields with high data frequencies even if default values are present.
Correct Answer: B,D 🗳️
If a token had the value 13D and the "D" had to be isolated in a variable named Temp, what Pattern Action code would be used?
- A. COPY [1](-n) Temp
- B. COPY [1](c) Temp
- C. COPY [1](-c) Temp
- D. COPY [1] Temp
Correct Answer: D 🗳️
A transaction date field has format MM-DD-YYYY. The customer wants to see how many records contain a valid month in the transaction date field.
Which mask type should be used in the Character Discrete investigation?
- A. TTXXXXXXXX
- B. TTCCCCCCCC
- C. CCTTTTTTTT
- D. CCXXXXXXXX
Correct Answer: B 🗳️
Based on the following complex survivorship rule:
SIZEOF(b.FirstName) < SIZEOF(c.FirstName)
Which statement is correct?
- A. The length of the first name of the current record will be less than the length of the first name of the best record.
- B. The length of the first name with the longest name will be the one selected.
- C. The length of the first name with the shortest name will be the one selected.
- D. The length of the first name of the best record will always be greater than the length of of the street name of the current record.
Correct Answer: B 🗳️
Which data type(s) will NOT be supported by Standardization?
- A. Non-aggregate data types.
- B. Integer.
- C. Binary.
- D. Non-vector data types.
Correct Answer: C 🗳️
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