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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
|
| Job Design and Development | - Server jobs and parallel jobs design
|
| Performance Tuning and Optimization | - Parallel processing optimization
|
| DataStage Architecture and Components | - InfoSphere DataStage architecture overview
|
IBM InfoSphere DataStage v8.5 Sample Questions:
Which of the following describes what happens when Runtime Column Propagation is enabled?
- A. An input column value flows into a target column only if it is explicitly mapped to it.
- B. An input column value flows into a target column only if it matches it by name.
- C. An input column value flows into a target column based on its position in the input row. For example, first column in the input row goes into the first target column.
- D. An input column value flows into a target column based on its position in a Schema file.
Correct Answer: B 🗳️
Which requirement must be met to read from a database in parallel using the ODBC connector?
- A. Configure environment variable $APT_MAX_TRANSPORT_BLOCK_SIZE.
- B. ODBC connector always reads in parallel.
- C. Set the Enable partitioning property to Yes.
- D. Configure environment variable $APT_PARTITION_COUNT.
Correct Answer: C 🗳️
You are given a job requirement that requires calculations based on the latest currency exchange rate. You decide to invoke a Web service to obtain the latest exchange rate.
What are two ways that you can perform a Web service invocation in a DataStage job to obtain the latest exchange rate? (Select two)
- A. Call a Web Service using a DSRoutine inside the Parallel Transformer stage.
- B. Use Web Services Transformer stage.
- C. Use Web Services Client stage as a lookup.
- D. Use WISD Input stage.
Correct Answer: B,C 🗳️
What stage allows for more than one reject link?
- A. Join stage
- B. Merge stage
- C. Funnel stage
- D. Peek stage
- E. Lookup stage
Correct Answer: B 🗳️
In which two situations would you use the Web Services Client stage? (Choose two.)
- A. You need to create a WSDL.
- B. You do not need both input and output links in a single web service operation.
- C. You want to deploy a service.
- D. You need the Web service to act as either a data source or a data target during an operation.
Correct Answer: B,D 🗳️
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