InfoSphere DataStage v8.5: C2090-421 Exam


"InfoSphere DataStage v8.5", also known as C2090-421 exam, is a IBM Certification. With the complete collection of questions and answers, ExamcollectionPass has assembled to take you through 194 Q&As to your C2090-421 Exam preparation. In the C2090-421 exam resources, you will cover every field and category in IBM Specialist Certification helping to ready you for your successful IBM Certification.

  • Exam Code: C2090-421
  • Exam Name: InfoSphere DataStage v8.5
  • Total Questions: 194
  • Certification Provider: IBM
  • Corresponding Certification: IBM Specialist
  • Updated on: Sep 30, 2026

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IBM C2090-421 Exam Syllabus Topics:

SectionObjectives
Job Design and Development- Transformations and stages usage
- Data flow and job sequencing
- Designing DataStage jobs
DataStage Architecture and Concepts- Server vs parallel jobs overview
- Parallel processing architecture
- InfoSphere DataStage components
Debugging and Administration- Logging and error handling
- Job monitoring and troubleshooting
Connectivity and Data Sources- File handling (sequential and complex files)
- Database connectors and stages
Performance Tuning and Optimization- Partitioning and parallelism strategies
- Parallel job optimization techniques

IBM InfoSphere DataStage v8.5 Sample Questions:

Where are project level message handlers defined?

  • A. Administrator Client
  • B. Designer Client
  • C. DSENV
  • D. Director Client
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

The Teradata Enterprise stage uses a distributed FastExport to access data. What is a limitation to distributed FastExport?

  • A. The use of the USING modifier is allowed.
  • B. Multiple-AMP requests are allowed.
  • C. Aggregates and most arithmetic operators in the SELECT statement are allowed.
  • D. Non-data access (e.g., pseudo-tables like DATE or USER) is allowed.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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In which two operations can you create DataStage projects? (Choose two.)

  • A. When exporting and importing a DataStage project from DataStage Director.
  • B. During DataStage installation.
  • C. When creating a project in the IBM Information Server Console.
  • D. When adding new projects from DataStage Administrator.
Reveal Solution  Discussion  0

Correct Answer: B,D  🗳️

You have a DataStage job on SMP environment. It contains an input sequential file, a Modify stage, followed by a Transformer stage, and an output Sequential File stage. The job is run with three nodes. The engine uses all default settings. How many processes will this job create?

  • A. 12
  • B. 19
  • C. 9
  • D. 16
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

You have a dataset that is range-partitioned and sorted. Which technique is most efficient to create globally sorted data file?

  • A. Insert Funnel stage before the final Sequential File stage and select Sort Funnel as Funnel Type.
  • B. Select SortMerge collector method for the input link of the final Sequential File stage.
  • C. Insert Funnel stage before the final Sequential File stage and select Sequence as Funnel Type.
  • D. Select Ordered collector method for the input link of the final Sequential File stage.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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