- Exam Code: C2090-421
- Exam Name: InfoSphere DataStage v8.5
- Updated: Aug 18, 2026
- Q & A: 194 Questions and Answers
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| Section | Weight | Objectives |
|---|---|---|
| Job Execution, Monitoring and Troubleshooting | 15% | - Director client usage - Debugging and validation - Job logs and error handling - Performance optimization |
| Advanced Features and Integration | 10% | - Metadata management - Job sequences and control flow - Source control integration |
| DataStage Architecture and Components | 20% | - InfoSphere Information Server architecture - Client and server components - Project and repository management - Parallel framework concepts |
| Data Transformation and Processing | 25% | - Lookup and reference data - Transformer stage logic - Slowly Changing Dimensions (SCD) - Handling NULL values and data types |
| Job Design and Development | 30% | - Sequential and parallel job creation - Data linking and partitioning - Parameter sets and environment variables - Stage usage and configuration |
1. 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) Create a source code control project with the same name as the domain. Choose Integrate Source Control.
B) From Designer Client choose Team Share Project.
C) From Information Server Manager choose Team Share Project.
D) From Information Server Manager choose Team Import.
2. If you do not alter any of the Format settings, the Sequential File stage will produce a file with what three types of format? (Choose three.)
A) Rows are delimited by a UNIX newline.
B) Variable length columns are contained within double quotes.
C) All columns are delimited by a comma.
D) Rows are delimited by a DOS newline.
E) All columns are delimited by a comma, except for the final column in a row.
3. What stage allows for more than one reject link?
A) Join stage
B) Merge stage
C) Peek stage
D) Lookup stage
E) Funnel stage
4. Which two statements are true about DataStage Parallel Build stages? (Choose two.)
A) On the Logic Post-Loop, you specify code that runs after all input records have been processed.
B) The Build stage generates a C/C++ source file that is compiled and linked outside of DataStage.
C) Build stages can only be used in a job that has Runtime Column Propagation (RCP) enabled.
D) The Build stage can be programmed to read and write automatically or code can be written to manually read and write rows.
5. You are setting up user roles on Information Server Web console. Which two roles are required to allow a user to edit DataStage jobs? (Select two)
A) Suite User role
B) DataStage super operator
C) DataStage Developer
D) Information Analyzer Data Administrator
Solutions:
| Question # 1 Answer: A,D | Question # 2 Answer: A,B,E | Question # 3 Answer: B | Question # 4 Answer: A,D | Question # 5 Answer: B,C |
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