Exam Name: InfoSphere DataStage v8.5
Certification Provider: IBM
Corresponding Certification: IBM Specialist
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Check Updated on: Aug 25, 2026
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IBM C2090-421 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Job Design and Development | 30% | - Parallel job design principles - Stage configuration and properties - Partitioning and collecting methods - Transformer and derivation logic |
| Topic 2: Administration and Deployment | 10% | - Monitoring and logging - Version control and migration - Job packaging and deployment |
| Topic 3: Environment and Configuration | 25% | - Project setup and administration - Distributed and asymmetric environments - Configuration files and environment variables |
| Topic 4: Data Integration and Connectivity | 15% | - File handling and formats - Database connectivity and stages - Specialized stages and connectors |
| Topic 5: Performance and Tuning | 20% | - Job optimization and scaling - Buffer and sort tuning - Resource management |
IBM InfoSphere DataStage v8.5 Sample Questions:
1. Which Oracle data type conversion is correct?
A) Oracle data type NUMBER(6, 0) converts to INT32 in Oracle Enterprise.
B) Oracle data type NUMBER(15, 0) converts to INT32 in Oracle Enterprise stage.
C) Oracle data type RAW converts to RAW in Oracle Enterprise stage.
D) Oracle data type NUMBER converts to DECIMAL(38, 0) in Oracle Enterprise stage.
2. The Teradata Enterprise stage uses a distributed FastExport to access data. What is a limitation to distributed FastExport?
A) Aggregates and most arithmetic operators in the SELECT statement are allowed.
B) Non-data access (e.g., pseudo-tables like DATE or USER) is allowed.
C) Multiple-AMP requests are allowed.
D) The use of the USING modifier is allowed.
3. Which three of the following options does the dsjob command have? (Choose three.)
A) Setting an alias for a job
B) Listing projects, jobs, stages, links, and parameters
C) Specifying an appropriate log file
D) Stopping a job
4. Which three statements are true about File Sets? (Choose three.)
A) File sets have a proprietary data format which may change in future DataStage versions.
B) File sets are readable by external applications.
C) File sets always execute in parallel.
D) File sets are stored as header file and data files.
E) File sets are partitioned.
5. Click the exhibit button.
You submit a job from DataStage Director and then log onto your DataStage Linux server to issue the command "ps -ef | grep ds" and receive the following screen: Which process is a player?
A) 7216
B) 7215
C) 7117
D) 7217
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: A,B,D | Question # 4 Answer: B,D,E | Question # 5 Answer: D |
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