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IBM 000-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Job Design and Development | - Designing DataStage jobs - Transformations and stages usage - Data flow and job sequencing |
| Debugging and Administration | - Job monitoring and troubleshooting - Logging and error handling |
| Connectivity and Data Sources | - Database connectors and stages - File handling (sequential and complex files) |
| Performance Tuning and Optimization | - Partitioning and parallelism strategies - Parallel job optimization techniques |
| DataStage Architecture and Concepts | - Server vs parallel jobs overview - InfoSphere DataStage components - Parallel processing architecture |
IBM InfoSphere DataStage v8.5 Sample Questions:
An important top level Job Sequence has been modified. It controls a process flow consisting of sub Job Sequences, Routines and Parallel Jobs. You must set up a new project to test the top level Job Sequence. You are not allowed to move any repository objects that are not impacted by the top level Job Sequence.
What two options would identify only the repository objects impacted by the change made to the top level Job Sequence? (Select two)
- A. On Export check Include dependencies of
- B. Click Impact Analysis Icon on Designer Client Toolbar.
- C. Select the top Level Job Sequence and Dependency of (deep).
- D. Repository Advanced Find Where Used
Your job sequence must be restartable. It runs Job1, Job2, and Job3 serially. It has been compiled with "Add checkpoints so sequence is restartable". Job1 must execute every run even after a failure. Which two properties must be selected to ensure that Job1 is run each time, even after a failure? (Choose two.)
- A. In the Job1 Activity stage set the Execution action to "Reset if required, then run.".
- B. Set the Job1 Activity stage to "Do not checkpoint run.".
- C. Use the Nested Condition Activity with a trigger leading to Job1; set the trigger expression type to "Unconditional".
- D. Set trigger on the Job1 Activity stage to "Unconditional".
What are two advantages of using Runtime Column Propagation (RCP)? (Choose two.)
- A. Only columns that are defined as VarChar need RCP enabled.
- B. Only columns used in the data flow need to be defined.
- C. Columns not specifically used in the flow are propagated as if they were.
- D. Sequential files don't require schema files when using RCP.
- E. RCP is not a feature of DataStage.
How must the input data set be organized for input into the join stage? (Choose two.)
- A. Entire partitioned
- B. Hash partitioned
- C. Sorted in ascending order
- D. Unsorted
- E. Key partitioned
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. provides a place to store the archive created by IS source code control integration
- B. directory for deployment package files
- C. default directory for istool exports.
- D. local transfer area for assets being submitted to the source control system
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