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IBM A2090-303 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Job Control & Runtime Management | 6% | - Log analysis and troubleshooting - Monitoring execution status - Error handling and message handlers |
| Topic 2: Persistent Storage | 15% | - File format and record structure - Data import/export operations - Sequential File and Data Set stages |
| Topic 3: Parallel Architecture | 7% | - Parallel execution framework - Environment variables for parallel jobs - Partitioning and collecting methods |
| Topic 4: Complex Jobs & Real-Time | 10% | - Job sequences and dependencies - Real-time integration patterns - Information Services Director (ISD) |
| Topic 5: Job Design Principles | 12% | - Restart points and checkpoint design - Minimizing sorts and repartitions - Performance-oriented job design - Shared containers and reusable components |
| Topic 6: Database Connectivity | 7% | - Connection configuration and optimization - Database Connector stages - SQL pushdown and data type handling |
| Topic 7: Metadata | 6% | - Schema management and import - Metadata sharing and reuse - Runtime Column Propagation (RCP) |
| Topic 8: Configuration | 6% | - Configuration file structure - Project and environment setup - Node pools and parallel environment design |
| Topic 9: Performance Tuning | 10% | - Sorting and partitioning optimization - Identifying bottlenecks - Environment variable tuning |
| Topic 10: Deployment & Source Control | 7% | - Export/import of jobs and projects - Source control integration - Job comparison and impact analysis |
| Topic 11: Data Transformation | 14% | - Change Capture and Apply stages - Slowly Changing Dimension (SCD) stage - Type conversion and derivations - Transformer stage functionality |
IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:
Which two statements are true about Data Sets? (Choose two.)
- A. Data sets contain ASCII data.
- B. Data Sets represent persistent data.
- C. Data Sets preserve partitioning.
- D. Data Sets require import/export conversions.
- E. Data Sets require repartitioning.
Correct Answer: B,C 🗳️
In a file defining a partial schema, which two properties define the record? (Choose two.)
- A. length_of_record
- B. position
- C. intact
- D. record_delim_string
- E. delim
Correct Answer: C,D 🗳️
In a Transformer expression for a stage variable, there is a nullable input column. Assume the legacy NULL processing option is turned off. What happens when a row is processed that contains NULL in that input column?
- A. NULL is written to the stage variable.
- B. The job aborts.
- C. The value written to the stage variable is undetermined.
- D. The row is rejected.
Correct Answer: A 🗳️
What stage allows for more than one reject link?
- A. Merge stage
- B. Join stage
- C. Funnel stage
- D. Lookup stage
Correct Answer: A 🗳️
Indicate two possible job design topologies that Information Services Director (ISD) parallel jobs can conform to. (Choose two.)
- A. A job with greater then one ISD input stage and one ISD Output stage.
- B. A job with one ISD Input stage and greater then one ISD Output stage.
- C. A job with no ISD Input stage and with one ISD Output stage.
- D. A job with one ISD Input stage and no ISD Output stage.
- E. A job with a single ISD Transformation stage.
Correct Answer: C,D 🗳️
