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IBM C2090-303 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Data Transformation | 14% | - Transformer stage functionality - SCD and complex transformations - Data conversion and mapping |
| Performance & Troubleshooting | 16% | - Error handling and debugging - Performance tuning techniques - Logging and monitoring |
| Configuration | 6% | - Environment variables and settings - Project setup and configuration - Configuration file components and usage |
| Job Design & Deployment | 18% | - Balanced Optimization - Job sequencing and restartability - Compilation and deployment procedures |
| Parallel Architecture | 7% | - Parallel execution concepts - Node configuration and performance - Partitioning and collecting methods |
| Persistent Storage | 15% | - Data import/export operations - Sequential File stage usage - File formats and properties |
| Job Components & Processing | 11% | - Shared containers and reusability - Join, Lookup, and Merge stages - Sort and Filter stages |
| Database Connectivity | 7% | - Connection and query configuration - Database stage selection - Source and target database properties |
| Metadata Management | 6% | - Schema and data type handling - Importing and exporting metadata - Runtime Column Propagation (RCP) |
IBM InfoSphere DataStage v9.1 Sample Questions:
Question #1
A job using a three-node configuration file writes to a target Sequential File stage. The target Sequential File stage has been set to write to two different sequential files. How many instances of the Sequential File stage will run?
A. Two instances.
B. One instance.
C. Three instances.
D. Four instances.
Question #2
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 'Specific File(s)' with more than one file specified and each file specified has the same format/column properties.
B. 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.
C. Read Method property is set to 'Parallel' with the Key property set to a Input column that has the file names.
D. Read Method property set to 'File Pattern' and the 'Readers per Node' property value set to greater than 1.
E. Read Method property set to 'File Pattern' and the environment variable $APT_IMPORT_PATTERN_USES_FILESET is set to 'FALSE'.
Question #3
What are two properties dependent of both Column for Calculation and Summary Column for Recalculation? (Choose two.)
A. Summary
B. Coefficient of Variation
C. Sum of Squares
D. Mean Deviation
E. Missing Value
Question #4
What role must a user have to delete shared metadata assets from the repository?
A. Common Metadata Administrator
B. DataStage Administrator
C. Business Glossary Administrator
D. Information Analyzer Administrator
Question #5
You are assigned to correct a job from another developer. The job contains 20 stages sourcing data from two Data Sets and many sequential files. The annotation in the job indicates who wrote the job and when, not the objective of the job. All link and stage names use the default names. One of the output columns has an incorrect value which should have been obtained using a lookup. What could the original developer have done to make this task easier for maintenance purposes?
A. Name all stage and links the same.
B. Indicate all stage names within the job annotation.
C. Name all stage and links with column names and ideas.
D. Name all stages and links based on what they do.
Solutions:
| Question #1 Correct Answer: A | Question #2 Correct Answer: A,B | Question #3 Correct Answer: A,E | Question #4 Correct Answer: A | Question #5 Correct Answer: D |
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