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IBM A2090-421 Exam Syllabus Topics:

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

                                      IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

                                      1. When you configure a domain for source code integration a source control workspace is created. What are two reasons for the source control workspace? (Choose two.)

                                      A) local transfer area for assets being submitted to the source control system
                                      B) provides a place to store the archive created by IS source code control integration
                                      C) directory for deployment package files
                                      D) default directory for istool exports.


                                      2. Which two statements are true about the usage of scratch disk? (Choose two.)

                                      A) The Sort stage always uses the scratch disk.
                                      B) The parallel framework uses the disk space specified in the scratch disk setting to buffer virtual data set records.
                                      C) If "buffer" scratch disk pool is defined, the framework uses this disk pool and the default disk pool.
                                      D) You can define multiple scratch disk spaces to distribute disk I/O.


                                      3. Click on the Exhibit button.

                                      Using this report, how many processes and on how many nodes does this score depict?

                                      A) 2 processes on 3 nodes
                                      B) 2 processes on 2 nodes
                                      C) 3 processes on 2 nodes
                                      D) 3 processes on 3 nodes


                                      4. In a Transformer, which two of the following mappings can be handled by default type conversions. (Select two)

                                      A) Date input column mapped to a string output column.
                                      B) String input column mapped to integer output column.
                                      C) Integer input column mapped to string output column.
                                      D) Integer input column mapped to raw output column.
                                      E) String input column mapped to a data output column.


                                      5. The DB2 and Oracle Enterprise stages support logged and non-logged DBMS table operations. What is the non-logged operation that is supported by the DB2 and Oracle Enterprise stages?

                                      A) Update
                                      B) Load
                                      C) Delete
                                      D) Insert


                                      Solutions:

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

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