IBM C2090-303 : IBM InfoSphere DataStage v9.1

  • Exam Code: C2090-303
  • Exam Name: IBM InfoSphere DataStage v9.1
  • Updated: Jul 28, 2026
  • Q & A: 134 Questions and Answers

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IBM C2090-303 Exam Syllabus Topics:

SectionWeightObjectives
Database Connectivity7%- Database Connector stages
- Connection configuration and optimization
- SQL pushdown and data type handling
Metadata6%- Metadata sharing and reuse
- Runtime Column Propagation (RCP)
- Schema management and import
Job Control & Runtime Management6%- Log analysis and troubleshooting
- Error handling and message handlers
- Monitoring execution status
Complex Jobs & Real-Time10%- Real-time integration patterns
- Information Services Director (ISD)
- Job sequences and dependencies
Data Transformation14%- Transformer stage functionality
- Type conversion and derivations
- Change Capture and Apply stages
- Slowly Changing Dimension (SCD) stage
Parallel Architecture7%- Parallel execution framework
- Environment variables for parallel jobs
- Partitioning and collecting methods
Persistent Storage15%- File format and record structure
- Data import/export operations
- Sequential File and Data Set stages
Job Design Principles12%- Minimizing sorts and repartitions
- Shared containers and reusable components
- Restart points and checkpoint design
- Performance-oriented job design
Performance Tuning10%- Identifying bottlenecks
- Sorting and partitioning optimization
- Environment variable tuning
Deployment & Source Control7%- Source control integration
- Export/import of jobs and projects
- Job comparison and impact analysis
Configuration6%- Project and environment setup
- Node pools and parallel environment design
- Configuration file structure

IBM InfoSphere DataStage v9.1 Sample Questions:

1. Identify two different types of custom stages you can create to extend the Parallel job syntax? (Choose two.)

A) Custom stage
B) Basic stage
C) Group stage
D) Input stage
E) Wrapped stage


2. In the Slowly Changing Dimension stage, a dimension columns Purpose code property can trigger which two actions. (Choose two.)

A) Delete duplicate dimension table rows.
B) Update the dimension table.
C) Insert rows into the fact table.
D) Update fact table keys.
E) Detect dimension changes.


3. The number of File Set data files created depends upon what two items? (Choose two.)

A) Operating system limitations.
B) Number of logical processing nodes.
C) Amount of memory.
D) Number of disks in the export or default disk pool connected to each processing node in the default node pool.
E) Schema definition of the file.


4. A job design consists of an input Row Generator stage, a Filter stage, followed by a Transformer stage and an output Sequential File stage. The job is run on an SMP machine with a configuration file defined with three nodes. The $APT_DISABLE_COMBINATION variable is set to True. How many player processes will this job generate?

A) 10
B) 12
C) 8
D) 16


5. Which DB2 to InfoSphere DataStage data type conversion is correct when reading data with the DB2 Connector stage?

A) CHAR FOR BIT DATA to SQL_VARBINARY
B) BIGINT to SQL_BIGINT (INT32)
C) VARCHAR, 32768 to SQL_VARCHAR
D) XML to SQL_WVARCHAR


Solutions:

Question # 1
Answer: A,E
Question # 2
Answer: B,E
Question # 3
Answer: B,D
Question # 4
Answer: C
Question # 5
Answer: D

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