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IBM C2090-421 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Job Design and Development | 30% | - Partitioning and collecting methods - Parallel job design principles - Transformer and derivation logic - Stage configuration and properties |
| Topic 2: Environment and Configuration | 25% | - Project setup and administration - Configuration files and environment variables - Distributed and asymmetric environments |
| Topic 3: Performance and Tuning | 20% | - Buffer and sort tuning - Job optimization and scaling - Resource management |
| Topic 4: Administration and Deployment | 10% | - Monitoring and logging - Job packaging and deployment - Version control and migration |
| Topic 5: Data Integration and Connectivity | 15% | - File handling and formats - Specialized stages and connectors - Database connectivity and stages |
IBM InfoSphere DataStage v8.5 Sample Questions:
A star schema data warehouse consists of four dimension tables and one fact table. How many Slowly Changing Dimensions (SCD) stages will you need in your jobs to update the star schema tables?
- A. three
- B. four
- C. two
- D. five
Which three of the following are valid options for the dsjob command? (Choose three.)
- A. Purging log files
- B. Stopping a job
- C. Compiling a job
- D. Accessing log files
- E. Setting an alias for a job
The purchase history record contains CustID, ProductID, ProductType and TotalAmount. You need to retain the record of greatest TotalAmount per CustID and ProductType using RemoveDuplicate stage. Which two statements accomplish this requirement? (Choose two.)
- A. Hash-partition on CustID, ProductType and TotalAmount;
Sort on CustID, ProductType and TotalAmount. - B. Hash-partition on CustID;
Sort on CustID, ProductType and TotalAmount. - C. Hash-partition on CustID and ProductType;
Sort on CustID, ProductType and TotalAmount. - D. Hash-partition on ProductType;
Sort on ProductType, CustID and TotalAmount.
You have a parallel shared container that is used by other parallel jobs within your project. Part of the logic in this shared container has been changed. Which two statements are true regarding this change to the parallel shared container? (Choose two.)
- A. You can create a sequencer to re-compile all of the routines using this shared container.
- B. Use usage analysis and multi-compile to re-compile job using this shared container.
- C. Jobs using this parallel shared container need to be re-compiled only when the metadata of the container is changed.
- D. Jobs using this parallel shared container need to be re-compiled.
In a file defining a partial schema, which three properties define the record? (Choose three.)
- A. text
- B. delim
- C. record_delim_string
- D. intact
- E. record_length
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