IBM A2090-421 - Assessment: InfoSphere DataStage v8.5
- Exam Code: A2090-421
- Exam Name: Assessment: InfoSphere DataStage v8.5
- Updated: Aug 12, 2026
- Q & A: 194 Questions and Answers
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| Section | Objectives |
|---|---|
| Topic 1: Debugging and Troubleshooting | - Job monitoring
|
| Topic 2: Job Control and Sequences | - Sequence jobs
|
| Topic 3: Performance Tuning and Optimization | - Parallel job optimization
|
| Topic 4: Job Design and Development | - Stages and links
|
| Topic 5: Data Transformation and Processing | - Aggregation and sorting
|
| Topic 6: InfoSphere DataStage Architecture | - Parallel processing architecture
|
1. The number of File Set data files created depends upon what three items? (Choose three.)
A) Number of physical processing nodes.
B) File system limitations.
C) Number of disks in the export or default disk pool connected to each processing node in the default node pool
D) Schema definition of the file.
E) Number of processing nodes in the default node pool.
2. Which two job design techniques can be used to provide unique names to sequential output files that are used in multi-instance jobs? (Select two)
A) Prepend/append the Invocation ID to the file name.
B) Use the file name(s) from values contained in the data stream.
C) Create the file name(s) from values contained in a value file.
D) Use parameters to identify file names.
3. What two stages are required to place Header and Detail records, which have different formats, into a single format? (Choose two.)
A) Column Export Stage
B) Column Import Stage
C) Combine Stage
D) Funnel Stage
4. Your job design calls for using a target ODBC Connector stage. The target database is found on a remote server. The target table you are writing into contains a single column primary key. What are the three "Write mode" properties that allow the possibility of multiple SQL actions? (Choose three.)
A) Insert then update
B) Join then update
C) Truncate then add
D) Update then insert
E) Delete then insert
5. What two repositories does the Source Code Control Integration for DataStage and QualityStage serve? (Choose two.)
A) Information Analyzer Repository
B) Information Server meta-data Repository
C) Source Code Repository
D) Universe Project Repository
Solutions:
| Question # 1 Answer: B,C,E | Question # 2 Answer: A,D | Question # 3 Answer: A,D | Question # 4 Answer: A,D,E | Question # 5 Answer: B,C |
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