Exam Name: InfoSphere DataStage v8.5
Certification Provider: IBM
Corresponding Certification: IBM Specialist
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Check Updated on: Oct 09, 2026
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IBM C2090-421 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Administration and Deployment | 10% | - Monitoring and logging - Version control and migration - Job packaging and deployment |
| Topic 2: Performance and Tuning | 20% | - Job optimization and scaling - Buffer and sort tuning - Resource management |
| 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: Job Design and Development | 30% | - Parallel job design principles - Stage configuration and properties - Partitioning and collecting methods - Transformer and derivation logic |
IBM InfoSphere DataStage v8.5 Sample Questions:
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.
Correct Answer: D 🗳️
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.
Correct Answer: C 🗳️
Explanation: Only visible for PrepPDF members. You can sign-up / login (it's free).
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
Correct Answer: A,B,D 🗳️
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.
Correct Answer: B,D,E 🗳️
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
Correct Answer: D 🗳️
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