IBM C2090-303 : IBM InfoSphere DataStage v9.1

C2090-303 real exams

Exam Code: C2090-303

Exam Name: IBM InfoSphere DataStage v9.1

Updated: Sep 06, 2026

Q & A: 134 Questions and Answers

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IBM C2090-303 Exam Syllabus Topics:

SectionWeightObjectives
Architecture and Components20%- InfoSphere Information Server architecture
  • 1. Repository and metadata management
    • 2. Parallel processing framework
      • 3. Client and server tiers
        Job Execution and Administration20%- Job configuration and execution
        • 1. Monitoring and logging
          • 2. Troubleshooting and optimization
            • 3. Configuration files and parallelism
              Design and Development30%- DataStage Designer interface
              • 1. Using stages and links
                • 2. Parameter sets and variables
                  • 3. Creating projects and jobs
                    Data Integration and Transformation30%- Data connectivity
                    • 1. Transformer and derivation logic
                      • 2. Database and enterprise stages
                        • 3. Sequential and file stages

                          IBM InfoSphere DataStage v9.1 Sample Questions:

                          Question #1

                          The number of File Set data files created depends upon what two items? (Choose two.)

                          • A. Number of logical processing nodes.
                          • B. Operating system limitations.
                          • C. Amount of memory.
                          • D. Schema definition of the file.
                          • E. Number of disks in the export or default disk pool connected to each processing node in the default node pool.
                          Answer: A,E
                          Question #2

                          A job design consists of an input Row Generator stage, a Sort stage, followed by a Transformer stage and an output Data Set stage. The job is run on an SMP machine with a configuration file defined with four nodes. The $APT_DISABLE_COMBINATION variable is set to True. How many player processes will this job generate?

                          • A. 16
                          • B. 7
                          • C. 13
                          • D. 16
                          Answer: C
                          Question #3

                          What role must a user have to delete shared metadata assets from the repository?

                          • A. Information Analyzer Administrator
                          • B. Common Metadata Administrator
                          • C. Business Glossary Administrator
                          • D. DataStage Administrator
                          Answer: B
                          Question #4

                          You are asked to optimize the fork join job design in the exhibit. This job uses the sort aggregator and a left outer join on the ZIP code column. Currently all partitioning is set to "Auto" and automatic sort insertion is allowed.

                          Which change will reduce the cost of partitioning that occurs in this job?

                          • A. Hash partition and sort on ZIP code column prior to the Copy stage, and use same partitioning on the Aggregator and Join stages.
                          • B. Hash partition and sort on ZIP code column on the input links to the Aggregator and Join stages.
                          • C. Use Entire partitioning on the input links to the Aggregator and Join stages.
                          • D. Hash partition and sort on ZIP code column prior to the Copy stage and use entire partitioning on the Aggregator and Join stages.
                          Answer: A
                          Question #5

                          Which derivations are executed last in the Transformer stage?

                          • A. Input column derivations
                          • B. Stage variable derivations
                          • C. Output column derivations
                          • D. Loop variable derivations
                          Answer: C

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