C2090-421 exam dumps

IBM C2090-421 Value Package

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  • Exam Code: C2090-421
  • Exam Name: InfoSphere DataStage v8.5
  • No. of Questions: 194 Questions and Answers
  • Updated: Sep 15, 2026

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IBM C2090-421 Exam Syllabus Topics:

SectionObjectives
Topic 1: Connectivity and Data Sources- File handling (sequential and complex files)
- Database connectors and stages
Topic 2: Job Design and Development- Transformations and stages usage
- Designing DataStage jobs
- Data flow and job sequencing
Topic 3: Performance Tuning and Optimization- Partitioning and parallelism strategies
- Parallel job optimization techniques
Topic 4: DataStage Architecture and Concepts- InfoSphere DataStage components
- Parallel processing architecture
- Server vs parallel jobs overview
Topic 5: Debugging and Administration- Logging and error handling
- Job monitoring and troubleshooting

IBM InfoSphere DataStage v8.5 Sample Questions:

In which two situations is it appropriate to use a Sparse Lookup? (Choose two.)

  • A. When the output of the Lookup stage needs to be hashed partitioned.
  • B. When reference data is significantly larger than the streaming data (100:1).
  • C. When invoking a stored procedure within a database per row in the streaming link.
  • D. When accessing DB2 data using the DB2 API stage.
Reveal Solution  Discussion  0

Correct Answer: B,C  🗳️

A client has multiple servers connected with a high bandwidth switch and has installed DataStage on one of them. There are five files (with the same record layout) that must be retrieved from three other servers using FTP. Which approach will retrieve and process all five files in the minimal amount of time?

  • A. Use a single FTP Enterprise stage and specify five URI properties (one for each file). Next, process the records without landing to disk.
  • B. In a single job, use five separate FTP Enterprise stages with output links to a single Sort Funnel stage. Next, process the records without landing to disk.
  • C. In a single job, use three separate FTP Enterprise stages (one for each machine) with output links to a single Sort Funnel stage. Next, process the records without landing to disk.
  • D. Create a sequence containing five separate DataStage jobs which each retrieve a single file and append it to a common Data Set. Next, process the resulting Data Set in an sixth DataStage job.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

What role must a user have to delete shared metadata assets from the repository?

  • A. Common Metadata User
  • B. DataStage Administrator
  • C. Business Glossary Administrator
  • D. Common Metadata Administrator
  • E. Information Analyzer User
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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. 7217
  • C. 7215
  • D. 7117
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

How are Host Systems added to the Shared Metadata repository? (Select two)

  • A. Use the shared table creation wizard from the DataStage client to add a new Host System.
  • B. Select Repository > Metadata Sharing > Management from the main menu to open the Shared Metadata Management tool
  • C. Use the DataStage Administrator application to import new Host Systems.
  • D. Use the Import/Export Manager when importing shared metadata.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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