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IBM C2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Performance and Parallelism | - Parallel processing concepts
|
| DataStage Architecture | - InfoSphere DataStage components
|
| Job Design and Development | - Stages and links
|
| Job Execution and Troubleshooting | - Monitoring and debugging
|
| Data Transformation and ETL Logic | - Data mapping and transformation rules
|
IBM InfoSphere DataStage v8.5 Sample Questions:
Which two statements are correct when referring to an Aggregator Stage? (Choose two.)
- A. Use Sort method with a large number of distinct key-column values
- B. Use Hash method with a large number of distinct key-column values
- C. Use Hash method for a limited number of distinct key values
- D. Use Sort method for a limited number of distinct key values
Correct Answer: A,C 🗳️
Which three methods can be used to import metadata from a Web Services Description Language (WSDL) document? (Choose three.)
- A. Job Stage Column tab properties entered using "Load" feature
- B. XML Table Definitions
- C. Web Services WSDL Definitions
- D. Web Service Function Definitions
- E. Orchestrate Schema Definitions
Correct Answer: B,C,D 🗳️
Records in a source file must be aggregated for further processing. Which two conditions would require the use of a Transformer stage instead of or in addition to an Aggregator stage? (Choose two.)
- A. Aggregation results outside of a certain range need to be flagged as abnormal.
- B. The data hasn't been sorted or grouped.
- C. The aggregation is a custom formula for your enterprise.
- D. A global aggregation across all partitions is needed.
Correct Answer: A,C 🗳️
You set environment variable $APT_ORACLE_LOAD_OPTIONS=PTIONS(DIRECT=TRUE, PARALLEL=TRUE)?for loading index organized tables.You set environment variable $APT_ORACLE_LOAD_OPTIONS=?PTIONS(DIRECT=TRUE, PARALLEL=TRUE)?for loading index organized tables. Which statement is accurate regarding the resulting effect of this environment variable setting?
- A. The Oracle database stage will run in parallel using conventional path mode.
- B. The Oracle load will run in parallel using simple direct path mode.
- C. Oracle load will run in parallel and bypass DataStage Director.
- D. Oracle load will fail when executed.
Correct Answer: D 🗳️
Refer to the exhibit.
You submit a job from DataStage Director and then log onto your DataStage Linux server to issue the command "ps-ef | grepds" and receive the following screen:
Which process is the section leader for node2?
- A. 7220
- B. 7221
- C. 7219
- D. 7216
Correct Answer: B 🗳️
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