Exam Name: IBM InfoSphere DataStage v9.1
Certification Provider: IBM
Corresponding Certification: IBM Certified Solution Developer
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IBM C2090-303 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Database Connectivity | 7% | - Connection and query configuration - Source and target database properties - Database stage selection |
| Topic 2: Data Transformation | 14% | - Transformer stage functionality - Data conversion and mapping - SCD and complex transformations |
| Topic 3: Metadata Management | 6% | - Schema and data type handling - Importing and exporting metadata - Runtime Column Propagation (RCP) |
| Topic 4: Parallel Architecture | 7% | - Parallel execution concepts - Node configuration and performance - Partitioning and collecting methods |
| Topic 5: Performance & Troubleshooting | 16% | - Error handling and debugging - Logging and monitoring - Performance tuning techniques |
| Topic 6: Configuration | 6% | - Configuration file components and usage - Environment variables and settings - Project setup and configuration |
| Topic 7: Job Design & Deployment | 18% | - Balanced Optimization - Job sequencing and restartability - Compilation and deployment procedures |
| Topic 8: Persistent Storage | 15% | - Sequential File stage usage - File formats and properties - Data import/export operations |
| Topic 9: Job Components & Processing | 11% | - Shared containers and reusability - Sort and Filter stages - Join, Lookup, and Merge stages |
IBM InfoSphere DataStage v9.1 Sample Questions:
Your job is using the Sequential File stage as a source. Identify two stage property configurations that will allow you to accomplish parallel reads? (Choose two.)
- A. Read Method property set to 'File Pattern' and the 'Readers per Node' property value set to greater than 1.
- B. Read Method property is set to 'Parallel' with the Key property set to a Input column that has the file names.
- C. Read Method property set to 'Specific File(s)' with only one file specified and the 'Readers Per Node' property value set to greater than 1.
- D. Read Method property set to 'File Pattern' and the environment variable $APT_IMPORT_PATTERN_USES_FILESET is set to 'FALSE'.
- E. Read Method property set to 'Specific File(s)' with more than one file specified and each file specified has the same format/column properties.
Correct Answer: C,E 🗳️
What two project environment variables can be considered in your parallel jobs to support your optimization strategy of partitioning and sorting? (Choose two.)
- A. $APT_NO_PART_INSERTION
- B. $APT_PARTITION_FLUSH_COUNT
- C. $APT_OPT_SORT_INSERTION
- D. $APT_RESTRICT_SORT_USAGE
- E. $APT_TSORT_STRESS_BLOCKSIZE
Correct Answer: A,E 🗳️
What is the correct method to process a file containing multiple record types using a Complex Flat File stage?
- A. Flatten the record types into a single record type.
- B. Define record definitions on the Constraints tab of the Complex Flat File stage.
- C. Manually break the file into multiple files by record type.
- D. Load a table definition for each record type on the Records tab of the Complex Flat File stage.
Correct Answer: D 🗳️
Modular development techniques should be used to maximize re-use of DataStage jobs and components. Which statement represents Modular Development techniques?
- A. Job parameters should be used in Job Names.
- B. Job parameterization allows a single job design to process similar logic instead of creating multiple copies of the same job.
- C. Create a standard directory structure inside of the DataStage project directory for source and target files.
- D. Hard code the Invocation ID to improve development process.
Correct Answer: B 🗳️
The data going into the target Sequential File stage is sorted in each partition by the Date field. You want the data in the sequential file to be sorted by Date. Which collection algorithm should you choose in the Sequential File stage?
- A. Sort Merge
- B. Ordered
- C. Round Robin
- D. Auto
Correct Answer: A 🗳️
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