IBM : A2090-421 Questions & Answers
Last Updated: Sep 17, 2026
No. of Questions: 194 Questions & Answers with Testing Engine
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IBM A2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Performance Tuning and Optimization | - Parallel processing optimization
|
| Topic 2: Data Integration and Connectivity | - Data sources and connectors
|
| Topic 3: Job Design and Development | - Server jobs and parallel jobs design
|
| Topic 4: DataStage Architecture and Components | - InfoSphere DataStage architecture overview
|
| Topic 5: Administration and Troubleshooting | - Monitoring and debugging jobs
|
IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:
Which two statements are true about project-level configuration for National Language Support (NLS)? (Select two)
- A. Change the Parallel job project locale.
- B. Change the Parallel job project map.
- C. Choose NVarChar for string fields.
- D. Choose appropriate NLS map in the stage property.
Correct Answer: B,D 🗳️
An important top level Job Sequence has been modified. It controls a process flow consisting of sub Job Sequences, Routines and Parallel Jobs. You must set up a new project to test the top level Job Sequence. You are not allowed to move any repository objects that are not impacted by the top level Job Sequence.
What two options would identify only the repository objects impacted by the change made to the top level Job Sequence? (Select two)
- A. On Export check Include dependencies of
- B. Repository Advanced Find Where Used
- C. Select the top Level Job Sequence and Dependency of (deep).
- D. Click Impact Analysis Icon on Designer Client Toolbar.
Correct Answer: A,B 🗳️
When using Runtime Column Propagation, which three stages require a schema file? (Select three)
- A. DB2 Enterprise stage
- B. Peek stage
- C. Sequential File stage
- D. File Set stage
- E. Column Import stage
Correct Answer: C,D,E 🗳️
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You are running a DataStage job using a 2-node configuration file. How can a fixed-width single sequential file be read in parallel? (Choose two.)
- A. Specify a node constraint for the SequentialFile stage.
- B. Set the Execution Mode to the SequentialFile stage to "Parallel".
- C. Set the "Number of Readers per Node" optional property to a value greater than 1.
- D. Set the "Read From Multiple Nodes" optional property to a value greater than 1.
- E. Use an external Source stage.
Correct Answer: C,D 🗳️
Which three statements are true about stage variables in a Transformer Stage? (Choose three.)
- A. The expression executed for a stage variable can refer to a stage variable which is executed later.
- B. Stage variables are refreshed with default values before each new input row is processed.
- C. Stage variables can be set to NULL.
- D. A stage variable in one Transformer can refer to a stage variable in another Transformer, as long as the second Transformer was processed earlier in the job flow.
- E. Varchar stage variables can be initialized with spaces.
Correct Answer: A,C,E 🗳️
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