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IBM C2090-421 Value Pack
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- Exam Code: C2090-421
- Exam Name: InfoSphere DataStage v8.5
- Updated: Sep 22, 2026
- Q & A: 194 Questions and Answers
- PDF Version + PC Test Engine + Online Test Engine
- Value Pack Total: $119.98 $79.99
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IBM C2090-421 dumps - Testing Engine
- Exam Code: C2090-421
- Exam Name: InfoSphere DataStage v8.5
- Updated: Sep 22, 2026
- Q & A: 194 Questions and Answers
- Software Price: $59.99
- Testing Engine
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IBM C2090-421 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Data Transformation and Processing | 25% | - Slowly Changing Dimensions (SCD) - Transformer stage logic - Handling NULL values and data types - Lookup and reference data |
| DataStage Architecture and Components | 20% | - Project and repository management - InfoSphere Information Server architecture - Client and server components - Parallel framework concepts |
| Job Design and Development | 30% | - Data linking and partitioning - Parameter sets and environment variables - Stage usage and configuration - Sequential and parallel job creation |
| Advanced Features and Integration | 10% | - Metadata management - Source control integration - Job sequences and control flow |
| Job Execution, Monitoring and Troubleshooting | 15% | - Debugging and validation - Job logs and error handling - Director client usage - Performance optimization |
IBM InfoSphere DataStage v8.5 Sample Questions:
Question #1
What is the correct restructure stage to extract data from four input columns (three of which carry vectors) and output them into two columns with one vectors in a subrecord and the non-vector carrying column being passed through the stage?
- A. Split Subrecord Stage
- B. Column Export Stage
- C. Make Subrecord Stage
- D. Column Import Stage
Correct Answer: D 🗳️
Question #2
Which three environment variables are valid job score environment variables? (Select three)
- A. APT_SAVE_SCORE
- B. APT_LOW_SCORE
- C. APT_THIN_SCORE
- D. APT JAVA SCORE
- E. APT_DUMP_SCORE
Correct Answer: A,B,E 🗳️
Question #3
The given job processes large volumes of data using default partitioning, with sort/partition insertion enabled. Both source Data Sets are partitioned and sorted on the merge key. Assuming that the business logic allows all of the following actions, which design change would improve the performance of this job?
- A. Set the "Preserve Partitioning" option on both Data Sets and replace the Merge stage with a Sort Funnel stage.
- B. Use the Data Set Management Utility to combine both input Data Sets into a single source Data Set.
- C. Set the buffer mode to "no buffer" on the output links of both Data Sets.
- D. Before each input to the Merge stage, insert a Sort stage with "Don't Group, Previously Grouped" set on the merge key. Specify SAME partitioning on all inputs.
Correct Answer: D 🗳️
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Question #4
You are connected to a domain and must configure it for Source Code Integration.
What are the two things that must be done to associate your DataStage repository with a source control system? (Select two)
- A. From Information Server Manager choose Team Share Project.
- B. From Designer Client choose Team Share Project.
- C. Create a source code control project with the same name as the domain. Choose Integrate Source Control.
- D. From Information Server Manager choose Team Import.
Correct Answer: C,D 🗳️
Question #5
What two stages are required to place Header and Detail records, which have different formats, into a single format? (Choose two.)
- A. Column Export Stage
- B. Funnel Stage
- C. Combine Stage
- D. Column Import Stage
Correct Answer: A,B 🗳️
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