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IBM A2090-421 - Assessment: InfoSphere DataStage v8.5

Updated: Sep 11, 2026

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A2090-421 Braindumps VCE
  • Exam Code: A2090-421
  • Exam Name: Assessment: InfoSphere DataStage v8.5

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IBM A2090-421 Exam Syllabus Topics:

SectionObjectives
Topic 1: InfoSphere DataStage Architecture- DataStage project structure
  • 1. Repository metadata concepts
    • 2. Projects and environments
      - Parallel processing architecture
      • 1. Runtime architecture components
        • 2. Nodes and partitions
          Topic 2: Performance Tuning and Optimization- Parallel job optimization
          • 1. Memory and CPU tuning
            • 2. Partitioning strategies
              Topic 3: Job Control and Sequences- Sequence jobs
              • 1. Triggers and conditions
                • 2. Control flow design
                  Topic 4: Debugging and Troubleshooting- Job monitoring
                  • 1. Error handling techniques
                    • 2. Log analysis
                      Topic 5: Job Design and Development- Stages and links
                      • 1. Transformer stage logic
                        • 2. Lookup stages
                          - Job types
                          • 1. Server jobs
                            • 2. Parallel jobs
                              Topic 6: Data Transformation and Processing- Data cleansing techniques
                              • 1. Data type handling
                                • 2. Filtering and validation
                                  - Aggregation and sorting
                                  • 1. Aggregation logic
                                    • 2. Sort stage usage

                                      IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

                                      Question #1

                                      How are Shared Table definitions created from the DataStage Client?

                                      • A. Using the "Save" button on the "Table Properties" panel
                                      • B. This cannot be done from the DataStage Client
                                      • C. Using the "Save" button on the columns tab on the Stage/Link editor
                                      • D. No need to, DataStage table definitions are automatically saved as shared metadata.
                                      • E. Using the "Shared Table Creation Wizard" from the DataStage Client.
                                      Reveal Solution  Discussion  0

                                      Correct Answer: E  🗳️

                                      Question #2

                                      Which job design technique can be used to give unique names to sequential output files that are used in multi-instance jobs?

                                      • A. Use a Transformer stage variable to generate the name.
                                      • B. Use parameters to identify file names.
                                      • C. Use DSJobInvocationID to generate a unique filename.
                                      • D. Generate unique file names by using a macro.
                                      Reveal Solution  Discussion  0

                                      Correct Answer: B  🗳️

                                      Question #3

                                      DataStage offers database connectivity through connectors, native parallel and plug-in stage types. Which two statements are correct? (Choose two.)

                                      • A. The connector stage offers better functionality and performance and is the best to use.
                                      • B. Next to the connector stage it is best to use the native parallel database stages.
                                      • C. For maximum parallel performance, scalability, and features it is best to use the native parallel database stages.
                                      • D. ODBC API is a plug-in stage.
                                      Reveal Solution  Discussion  0

                                      Correct Answer: A,B  🗳️

                                      Question #4

                                      What Information Server tool provides integration with source code control repositories?

                                      • A. Information Services Director
                                      • B. Multiple Job Compile
                                      • C. Information Server Manager
                                      • D. DataStage Designer
                                      Reveal Solution  Discussion  0

                                      Correct Answer: C  🗳️

                                      Question #5

                                      Which two statements are correct when referring to an Aggregator Stage? (Choose two.)

                                      • A. Use Sort method with a large number of distinct key-column values
                                      • B. Use Sort method for a limited number of distinct key values
                                      • C. Use Hash method with a large number of distinct key-column values
                                      • D. Use Hash method for a limited number of distinct key values
                                      Reveal Solution  Discussion  0

                                      Correct Answer: A,D  🗳️

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