IBM InfoSphere DataStage v8.5 C2090-421 Certified Exam Dumps

C2090-421 Exam Dumps

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Certification Provider: IBM
Exam Code / Number: C2090-421
Exam Name: InfoSphere DataStage v8.5
Exam Questions: 194
Last Updated: Jul 12, 2026
Corresponding Certification: IBM Specialist

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IBM C2090-421 Exam Syllabus Topics:

SectionObjectives
Topic 1: Data Transformation and ETL Logic- Data mapping and transformation rules
  • 1. Data type handling
    • 2. Column derivations and expressions
      Topic 2: DataStage Architecture- InfoSphere DataStage components
      • 1. Designer, Director, and Administrator clients
        • 2. Parallel vs Server edition concepts
          Topic 3: Job Design and Development- Stages and links
          • 1. Lookup and join operations
            • 2. Transformer stage usage
              - Job types
              • 1. Server jobs
                • 2. Sequence jobs
                  • 3. Parallel jobs
                    Topic 4: Performance and Parallelism- Parallel processing concepts
                    • 1. Buffering and tuning techniques
                      • 2. Partitioning methods
                        Topic 5: Job Execution and Troubleshooting- Monitoring and debugging
                        • 1. Director log analysis
                          • 2. Common job failure causes


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