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IBM C2090-421 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Job Execution, Monitoring and Troubleshooting | 15% | - Performance optimization - Debugging and validation - Director client usage - Job logs and error handling |
| Topic 2: Job Design and Development | 30% | - Parameter sets and environment variables - Data linking and partitioning - Stage usage and configuration - Sequential and parallel job creation |
| Topic 3: DataStage Architecture and Components | 20% | - InfoSphere Information Server architecture - Client and server components - Project and repository management - Parallel framework concepts |
| Topic 4: Data Transformation and Processing | 25% | - Slowly Changing Dimensions (SCD) - Lookup and reference data - Handling NULL values and data types - Transformer stage logic |
| Topic 5: Advanced Features and Integration | 10% | - Source control integration - Metadata management - Job sequences and control flow |
IBM InfoSphere DataStage v8.5 Sample Questions:
Which three of the following options does the dsjob command have? (Choose three.)
- A. Stopping a job
- B. Specifying an appropriate log file
- C. Listing projects, jobs, stages, links, and parameters
- D. Setting an alias for a job
Correct Answer: A,C,D 🗳️
How is Runtime Column Propagation (RCP) enabled for use in DataStage Jobs?
- A. Use the Info Server web console to enable RCP
- B. Use RCP definition wizard to initialize RCP for project use.
- C. Set the APT_ENABLE_RCP environment variable to TRUE.
- D. RCP is by default available for all DataStage Projects.
- E. Use the DataStage Administrator to enable RCP for the project.
Correct Answer: E 🗳️
You would like to run a particular processing job within a job sequence for each weekday of the week. How could you do this? (Select two)
- A. Set the frequency property in the job scheduler to weekdays only.
- B. Have a parameter set that contains the days of the week you would like to process and routine to parse the days of the week contained in the "day" parameter.
- C. Call a routine in the job sequencer that starts the processing job for each day you would like to process.
- D. Start Loop and End Loop activity stages on the job sequencer canvas where you loop through the days and pass a value for each day into the job via parameter.
Correct Answer: A,D 🗳️
Which Oracle data type conversion is correct?
- A. Oracle data type NUMBER(15, 0) converts to INT32 in Oracle Enterprise stage.
- B. Oracle data type NUMBER(6, 0) converts to INT32 in Oracle Enterprise.
- C. Oracle data type NUMBER converts to DECIMAL(38, 0) in Oracle Enterprise stage.
- D. Oracle data type RAW converts to RAW in Oracle Enterprise stage.
Correct Answer: C 🗳️
You are setting up the parallel engine configuration file. Which two statements are true about file system efficiency? (Select two)
- A. Creating scratch disk space on an internal disk improves sort performance than NFS drive.
- B. In a clustered environment where NAS is used for a common storage, specify the internal disk for scratch disk.
- C. Using multiple scratch spaces in a logical node improves performance.
- D. Specify a directory for the resource disk in the partition where the engine is installed.
Correct Answer: B,D 🗳️
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