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IBM IBM Specialist C2090-421

C2090-421

Exam Code: C2090-421

Exam Name: InfoSphere DataStage v8.5

Updated: Aug 09, 2026

Q & A: 194 Questions and Answers

C2090-421 Free Demo download:

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IBM C2090-421 Exam Syllabus Topics:

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

IBM InfoSphere DataStage v8.5 Sample Questions:

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

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


2. Click the Exhibit button.

The job in the exhibit runs to successful completion with no warnings. However, a validation test identifies that the CUSTOMER_MASTER table is empty. You suspect the cause to be related to the NEW_CUSTOMERS table or a defect in the job. Examining runtime meta-data will help you track down the problem. Which two product features will help you isolate the cause of the problem? (Choose two.)

A) Job Monitor Tool in the Director Client
B) $APT_PM_PLAYER_STATS
C) Use job run operational meta-data reports from IS Manager.
D) Show Performance Statistics in the Designer.


3. You are asked by management to document all jobs written to make future maintenance easier. Which two statements are true about annotations? (Choose two.)

A) The full job description can be identified within the Description Annotation stage.
B) The Description Annotation stage can be added several times at different locations to identify business logic.
C) The Description Annotation stage contains both the short and full descriptions for the job.
D) The background for the Description Annotation stage can be changed for each unique stage.


4. 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) Advanced find, set Dependencies Of field equal to the container name, and Check the Option to Include nested results for Dependency searches.
C) Select the shared container, Right-click on the Where used command.
D) Select the shared container, Right-click on the Where used (deep) command.


5. You write a job control routine to control a sequence of jobs running as a single unit of work. What are three valid job status types you can trap for? (Choose three.)

A) DSJS.RUNOK
B) DSJS.START
C) DSJS.RUNERROR
D) DSJS.STOPPED
E) DSJS.RUNFAILED


Solutions:

Question # 1
Answer: C
Question # 2
Answer: A,D
Question # 3
Answer: A,C
Question # 4
Answer: D
Question # 5
Answer: A,D,E

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