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IBM C2090-421 Actual Tests : InfoSphere DataStage v8.5

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IBM C2090-421 Exam Syllabus Topics:

SectionObjectives
Performance Tuning and Optimization- Parallel processing optimization
  • 1. Job tuning techniques
    • 2. Partitioning and parallelism settings
      Administration and Troubleshooting- Monitoring and debugging jobs
      • 1. Logging and error handling
        • 2. Job sequencing and control flow
          Job Design and Development- Server jobs and parallel jobs design
          • 1. Stages and links configuration
            • 2. Transformer stage usage
              DataStage Architecture and Components- InfoSphere DataStage architecture overview
              • 1. DataStage project structure and repositories
                • 2. Parallel vs server job architecture
                  Data Integration and Connectivity- Data sources and connectors
                  • 1. Database connectivity (ODBC, JDBC)
                    • 2. Flat file and sequential file processing

                      IBM InfoSphere DataStage v8.5 Sample Questions:

                      Question #1

                      What are two fundamental functions of the Information Server Source Code Integration based on the Eclipse Team framework? (Choose two.)

                      • A. Commit Changes
                      • B. Send to Source Code Control Workspace
                      • C. Rollback Changes
                      • D. Replace from Source Code Control Workspace
                      Reveal Solution  Discussion  0

                      Correct Answer: B,D  🗳️

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

                      Correct Answer: A  🗳️

                      Question #3

                      Which two features of Data Sets make them suitable for job restart points? (Choose two.)

                      • A. They are persistent.
                      • B. They use the same data types as the parallel framework.
                      • C. They are indexed to improve access.
                      • D. They are compressed to minimize storage space.
                      Reveal Solution  Discussion  0

                      Correct Answer: A,B  🗳️

                      Question #4

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

                      Correct Answer: C  🗳️

                      Question #5

                      Which two statements are correct when using the Oracle Enterprise stage? (Choose two.)

                      • A. Add $ORACLE_HOME/bin to the $PATH and $ORACLE_HOME/lib to the $LIBPATH, $LD_LIBRARY_PATH, or $SHLIB_PATH.
                      • B. $APT_ORCHHOME/bin must appear before $ORACLE_HOME/bin in the $PATH.
                      • C. Define variable $TNS_ADMIN to point to the tnsnames.ora file location.
                      • D. DataStage Designer requires connectivity to the Oracle database during job development.
                      Reveal Solution  Discussion  0

                      Correct Answer: A,B  🗳️

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