IBM 000-421 : InfoSphere DataStage v8.5
- Exam Code: 000-421
- Exam Name: InfoSphere DataStage v8.5
- Updated: Sep 22, 2026
- Q & A: 194 Questions and Answers
About IBM 000-421 Exam
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IBM 000-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| InfoSphere DataStage Architecture | - Server and Parallel Job Architecture - Components (Designer, Director, Administrator) |
| Job Development | - Job sequences and control logic - Stages and transformers usage - Parallel job design principles |
| Administration and Troubleshooting | - Job monitoring and logging - Error handling and recovery |
| Performance Optimization | - Parallel processing optimization - Job tuning and bottleneck analysis |
| Data Integration | - Data transformation techniques - Connectivity to data sources and targets |
IBM 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. Choose appropriate NLS map in the stage property.
- C. Choose NVarChar for string fields.
- D. Change the Parallel job project map.
Correct Answer: B,D 🗳️
Which three statements are true about stage variables in a Transformer Stage? (Choose three.)
- A. 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.
- B. The expression executed for a stage variable can refer to a stage variable which is executed later.
- C. Varchar stage variables can be initialized with spaces.
- D. Stage variables are refreshed with default values before each new input row is processed.
- E. Stage variables can be set to NULL.
Correct Answer: B,C,E 🗳️
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
Correct Answer: D 🗳️
What three statements are true with regards to restartable mode for an FTP Enterprise stage? (Select three)
- A. Specify a checkpoint directory for the transfer using the -checkpointdir directory.
- B. File URIs that were transferred completely are not transferred again.
- C. Specify the-restartable_transfer option.
- D. Checkpoint files are written to /^"checkpoint directory">/pftpJobid_ <"jobid number">.
- E. Optionally specify a unique job_id for the transfer.
Correct Answer: A,D,E 🗳️
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The given job processes large volumes of data using default partitioning, with sort/partition insertion enabled. Both source Data Sets are partitioned and sorted on the merge key. Assuming that the business logic allows all of the following actions, which design change would improve the performance of this job?
- A. Before each input to the Merge stage, insert a Sort stage with "Don't Group, Previously Grouped" set on the merge key. Specify SAME partitioning on all inputs.
- B. Set the buffer mode to "no buffer" on the output links of both Data Sets.
- C. Use the Data Set Management Utility to combine both input Data Sets into a single source Data Set.
- D. Set the "Preserve Partitioning" option on both Data Sets and replace the Merge stage with a Sort Funnel stage.
Correct Answer: A 🗳️
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