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Updated: Jul 31, 2026
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IBM C2090-421 Exam Overview:
| Certification Vendor: | IBM |
| Exam Name: | IBM InfoSphere DataStage v8.5 Implementation and Development |
| Exam Number: | C2090-421 |
| Exam Format: | Multiple choice, Scenario-based questions |
| Available Languages: | English |
| Related Certifications: | IBM Certified Specialist - InfoSphere DataStage |
| Recommended Training: | IBM Training - DataStage Courses |
| Exam Registration: | IBM Certification Portal Pearson VUE IBM Exams |
| Sample Questions: | IBM C2090-421 Sample Questions |
| Exam Way: | Delivered via Pearson VUE test centers or online proctored exam (availability may vary by region). |
| Pre Condition: | Recommended hands-on experience with IBM InfoSphere DataStage v8.5 and ETL concepts. |
| Official Syllabus URL: | https://www.ibm.com/certify |
IBM C2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Job Development | - Stages and transformers usage - Job sequences and control logic - Parallel job design principles |
| Topic 2: InfoSphere DataStage Architecture | - Components (Designer, Director, Administrator) - Server and Parallel Job Architecture |
| Topic 3: Data Integration | - Connectivity to data sources and targets - Data transformation techniques |
| Topic 4: Performance Optimization | - Parallel processing optimization - Job tuning and bottleneck analysis |
| Topic 5: Administration and Troubleshooting | - Job monitoring and logging - Error handling and recovery |
IBM InfoSphere DataStage v8.5 Sample Questions:
1. You have a job that reads in Sequential File followed by a Transformer stage. When you run this job, which partitioning method will be used by default?
A) Same
B) Hash
C) Random
D) Round Robin
2. What is the lowest CPU cost partitioning method?
A) Hash
B) Random
C) Round Robin
D) Entire
3. You are setting up project defaults. Which three items can be set in DataStage Administrator? (Choose three.)
A) default for compile options
B) defaults for environment variables
C) default prompting options, such as Autosave job before compile
D) default for Runtime Column Propagation
E) suite roles
4. What is the correct restructure stage to extract data from four input columns (three of which carry vectors) and output them into two columns with one vectors in a subrecord and the non-vector carrying column being passed through the stage?
A) Column Export Stage
B) Split Subrecord Stage
C) Make Subrecord Stage
D) Column Import Stage
5. Which three of the following actions are available when editing a message handler? (Select three)
A) Suppress from job log
B) Demote to warning
C) Demote to informational
D) Abort Job
E) Promote to warning
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: A,B,D | Question # 4 Answer: D | Question # 5 Answer: A,C,E |
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