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IBM C2090-421 Exam Syllabus Topics:

SectionObjectives
DataStage Architecture and Fundamentals- Core architecture concepts
  • 1. Parallel processing architecture overview
    • 2. Project environment and repository structure
      Data Connectivity and Integration- Source and target systems
      • 1. Database connectivity (ODBC/JDBC)
        • 2. Sequential and file-based data processing
          Job Design and Development- Building DataStage jobs
          • 1. Transformer and stage configuration
            • 2. Server and parallel job design principles
              Monitoring and Administration- Job control and troubleshooting
              • 1. Logging and error handling
                • 2. Job monitoring and debugging tools
                  Performance and Optimization- Parallel execution tuning
                  • 1. Performance optimization techniques
                    • 2. Partitioning strategies

                      IBM InfoSphere DataStage v8.5 Sample Questions:

                      1. Which two statements are true regarding access to a MQ queue? (Choose two.)

                      A) MQ plugin stage can be used to read and write messages from a remote MQ message queue.
                      B) MQ stage connects to a queue manager in Client mode only.
                      C) MQ connector stage is capable of connecting to Queue manager in both Server and Client mode.
                      D) MQ stage and MQ connector stages support destructive reads.


                      2. Which two tasks can the Slowly Changing Dimensions (SCD) stage perform? (Choose two.)

                      A) Look up whether a record with a matching business key value exists in a dimension table. If it does not, retrieve a new surrogate key value and insert a new row into the dimension table.
                      B) Look up whether a record with a matching business key value exists in a fact table. If it does not, retrieve a new surrogate key value and insert a new row into the fact table.
                      C) Look up whether a record with a matching business key value exists in a dimension table. If it does, mark the record as not-current, and generate a new record with new values for selected fields.
                      D) Look up whether a record with a matching business key value exists in a dimension table. If it does, add new values for selected fields to values lists for those fields.


                      3. What three element Names are required to create Shared metadata? (Choose three.)

                      A) Host System
                      B) Project Name
                      C) Schema
                      D) Database
                      E) Database Instance


                      4. Which Oracle Enterprise stage read property can be set using -dboptions to tune job performance?

                      A) arraysize
                      B) partitionsize
                      C) memsize
                      D) transactsize


                      5. What three statements are true with regards to restartable mode for an FTP Enterprise stage? (Select three)

                      A) Specify a checkpoint directory for the transfer using the -checkpointdir directory.
                      B) Optionally specify a unique job_id for the transfer.
                      C) File URIs that were transferred completely are not transferred again.
                      D) Specify the-restartable_transfer option.
                      E) Checkpoint files are written to /^"checkpoint directory">/pftpJobid_ <"jobid number">.


                      Solutions:

                      Question # 1
                      Answer: C,D
                      Question # 2
                      Answer: A,C
                      Question # 3
                      Answer: A,C,D
                      Question # 4
                      Answer: A
                      Question # 5
                      Answer: A,B,E

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