Exam Name: InfoSphere DataStage v8.5
Certification Provider: IBM
Corresponding Certification: IBM Specialist
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Instant Download IBM : C2090-421
Check Updated on: Sep 24, 2026
No. of Questions: 194 Questions & Answers with Exam Engine
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IBM C2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Administration and Troubleshooting | - Monitoring and debugging jobs
|
| Data Integration and Connectivity | - Data sources and connectors
|
| DataStage Architecture and Components | - InfoSphere DataStage architecture overview
|
| Job Design and Development | - Server jobs and parallel jobs design
|
| Performance Tuning and Optimization | - Parallel processing optimization
|
IBM InfoSphere DataStage v8.5 Sample Questions:
Which statement is true about buffering?
- A. The framework uses /tmp by default for buffering on Unix systems.
- B. The buffer operator uses both memory and disk storage.
- C. The "buffer" scratch disk pool needs to be defined to allow the framework to perform data buffering.
- D. In a clustered environment, using a disk space on an NFS mount for buffering improves performance.
Correct Answer: B 🗳️
In a Transformer, which two of the following mappings can be handled by default type conversions. (Select two)
- A. String input column mapped to a data output column.
- B. Integer input column mapped to string output column.
- C. Date input column mapped to a string output column.
- D. Integer input column mapped to raw output column.
- E. String input column mapped to integer output column.
Correct Answer: A,B 🗳️
Which three data types can the ODBC Enterprise stage handle? (Choose three.)
- A. SQL_SMALLDATETIME
- B. SQL_BIGINT
- C. SQL_CLOB
- D. SQL_VARBINARY
- E. SQL_TIMESTAMP
Correct Answer: B,D,E 🗳️
What two data sources support direct lookups? (Select two)
- A. ODBC
- B. Teradata
- C. DB2
- D. Oracle
- E. SqIServer
Correct Answer: C,D 🗳️
You are asked to convert a relational source, as shown in the exhibit, into three separate XML files. How would you accomplish this task?
- A. Set "Output mode" setting "Break" on column "Customer ID" under "Transformation Settings" of the Output link of an XML Output stage.
- B. Set "Output mode" setting "Segregate" on column "Customer ID" under "Transformation Settings" of the Output link of an XML Output stage.
- C. Set "Output mode" setting" Split rows" under "Transformation Settings" of the Output link of an XML Output stage.
- D. Set "Output mode" setting "Single row" under "Transformation Settings" of the Output link of an XML Output stage.
Correct Answer: D 🗳️
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