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IBM A2090-421 Exam Syllabus Topics:

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

                                      IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

                                      1. Which Information Server client application must be used to manage project-level roles for DataStage?

                                      A) Designer client
                                      B) WebSphere Information Services Director
                                      C) Director client
                                      D) Web console for IBM Information Server


                                      2. When you run a parallel job, any error messages and warnings are written to the job log and can be viewed from the Director client. What two levels of message handlers are there? (Choose two.)

                                      A) job level
                                      B) stage level
                                      C) record level
                                      D) project level


                                      3. How is DataStage Table Metadata shared among DataStage projects?

                                      A) Export DataStage Table Definitions from one project and importing them into another project.
                                      B) Use the "Shared Table Creation Wizard" to create a copy of the table in the shared repository.
                                      C) Use the Import/Export Manager to move the DataStage Table Definition to the projects where it is needed.
                                      D) DataStage Tables cannot be shared between projects.
                                      E) Import another copy of the table metadata into the project where it is required.


                                      4. What would help debug the run-time environment?

                                      A) $OSH_PRINT_SCHEMAS
                                      B) $APT_VERBOSE
                                      C) Check the message filters for the job.
                                      D) View detailed runtime stats through Job monitor in Director Client.


                                      5. You are connected to a domain and must configure it for Source Code Integration.
                                      What are the two things that must be done to associate your DataStage repository with a source control system? (Select two)

                                      A) From Information Server Manager choose Team Import.
                                      B) Create a source code control project with the same name as the domain. Choose Integrate Source Control.
                                      C) From Information Server Manager choose Team Share Project.
                                      D) From Designer Client choose Team Share Project.


                                      Solutions:

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

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