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IBM 000-421 Exam Syllabus Topics:

SectionObjectives
Data Transformation and ETL Logic- Data mapping and transformation rules
  • 1. Column derivations and expressions
    • 2. Data type handling
      Performance and Parallelism- Parallel processing concepts
      • 1. Buffering and tuning techniques
        • 2. Partitioning methods
          DataStage Architecture- InfoSphere DataStage components
          • 1. Parallel vs Server edition concepts
            • 2. Designer, Director, and Administrator clients
              Job Design and Development- Stages and links
              • 1. Transformer stage usage
                • 2. Lookup and join operations
                  - Job types
                  • 1. Server jobs
                    • 2. Parallel jobs
                      • 3. Sequence jobs
                        Job Execution and Troubleshooting- Monitoring and debugging
                        • 1. Director log analysis
                          • 2. Common job failure causes

                            IBM InfoSphere DataStage v8.5 Sample Questions:

                            Which three statements are true about stage variables in a Transformer Stage? (Choose three.)

                            • A. Stage variables can be set to NULL.
                            • B. Stage variables are refreshed with default values before each new input row is processed.
                            • C. Varchar stage variables can be initialized with spaces.
                            • D. The expression executed for a stage variable can refer to a stage variable which is executed later.
                            • E. A stage variable in one Transformer can refer to a stage variable in another Transformer, as long as the second Transformer was processed earlier in the job flow.
                            Reveal Solution  Discussion  0

                            Correct Answer: A,C,D  🗳️

                            Which three of the following options does the dsjob command have? (Choose three.)

                            • A. Listing projects, jobs, stages, links, and parameters
                            • B. Setting an alias for a job
                            • C. Specifying an appropriate log file
                            • D. Stopping a job
                            Reveal Solution  Discussion  0

                            Correct Answer: A,B,D  🗳️

                            Click on the Exhibit button.

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

                            • A. 2 processes on 2 nodes
                            • B. 3 processes on 3 nodes
                            • C. 2 processes on 3 nodes
                            • D. 3 processes on 2 nodes
                            Reveal Solution  Discussion  0

                            Correct Answer: D  🗳️

                            You are responsible for managing job changes for you project team. You must update the source code repository through Eclipse Team source code integration whenever a developer notifies you of an asset change.
                            What two tasks allow you to update the source code repository with the changed asset? (Select two)

                            • A. Right-click the asset and click the Team command to commit the artifact to the source control system.
                            • B. Right-click the asset and click the Build command
                            • C. Right-click the asset and click the Send to Source Control Work Space.
                            • D. Right-click the asset and click the Deploy command
                            Reveal Solution  Discussion  0

                            Correct Answer: A,B  🗳️

                            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">.
                            Reveal Solution  Discussion  0

                            Correct Answer: A,B,E  🗳️

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