Try and practice the latest IBM : C2090-421 real questions & answers
Updated: Sep 22, 2026
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IBM C2090-421 Exam Overview:
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | IBM InfoSphere DataStage v8.5 Fundamentals / Solution Designer Exam |
| Exam Number: | 000-421 |
| Exam Format: | Scenario-based questions, Multiple choice |
| Related Certifications: | IBM Certified Data Warehouse Engineer IBM Certified Solution Developer - InfoSphere DataStage |
| Available Languages: | English |
| Sample Questions: | IBM C2090-421 Sample Questions |
| Exam Way: | Proctored exam via Pearson VUE (online or test center depending on region) |
| Pre Condition: | No formal prerequisites, but experience with ETL concepts and IBM InfoSphere DataStage is recommended. |
IBM C2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Job Design and Development | - Job types
|
| Job Execution and Troubleshooting | - Monitoring and debugging
|
| Data Transformation and ETL Logic | - Data mapping and transformation rules
|
| DataStage Architecture | - InfoSphere DataStage components
|
| Performance and Parallelism | - Parallel processing concepts
|
IBM InfoSphere DataStage v8.5 Sample Questions:
Which three of the following are valid schema formats? (Choose three.)
- A. Raw Columns
- B. Aggregator Columns
- C. Integer Columns
- D. Total Columns
- E. Decimal Columns
Correct Answer: A,C,E 🗳️
Which two statements are true about the usage of scratch disk? (Choose two.)
- A. The Sort stage always uses the scratch disk.
- B. The parallel framework uses the disk space specified in the scratch disk setting to buffer virtual data set records.
- C. If "buffer" scratch disk pool is defined, the framework uses this disk pool and the default disk pool.
- D. You can define multiple scratch disk spaces to distribute disk I/O.
Correct Answer: B,D 🗳️
You have been asked to delete a shared container from the project by your customer. Before you do this you want to make sure it will not impact other objects in the project. How will you ensure that deleting the shared container will not cause a failure when jobs are recompiled?
- A. Select the shared container, Right-click on the Dependencies (deep) command.
- B. Select the shared container, Right-click on the Where used (deep) command.
- C. Advanced find, set Dependencies Of field equal to the container name, and Check the Option to Include nested results for Dependency searches.
- D. Select the shared container, Right-click on the Where used command.
Correct Answer: B 🗳️
A job design consists of an input SequentialFile stage, followed by a Peek stage, a Transformer stage, a Sort stage and finally an output Dataset stage. The job executes on an SMP system with a configuration file defined with 4 nodes.
The environment variable $APT_DISABLE_COMBINATION is set to "True". How many processes will this job create?
- A. 19
- B. 21
- C. 12
- D. 17
Correct Answer: D 🗳️
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In which two situations would you use the Web Services Client stage? (Choose two.)
- A. You need the Web service to act as either a data source or a data target during an operation.
- B. You do not need both input and output links in a single web service operation.
- C. You want to deploy a service.
- D. You need to create a WSDL.
Correct Answer: A,B 🗳️
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