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IBM C2090-418 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Job Design and Development | - Transformer logic and derivations - Sequential and parallel jobs - Stages and links |
| Performance Tuning and Optimization | - Resource optimization - Partitioning methods |
| Data Integration and Connectivity | - Metadata management - Database connectivity - File handling and formats |
| Job Administration and Scheduling | - Error handling and logging - Job control and monitoring |
| DataStage Architecture and Components | - Client and server components - Parallel processing architecture - Project and repository structure |
IBM Websphere Datastage V.8.0 Sample Questions:
A scenario requires selecting only the most recent transactions for each of 2 million unique customers from a 20 million row DB2 source table containing order history. Which parallel job design would satisfy this functional requirement?
- A. Using the Dynamic Relational stage, use custom SQL to select all DISTINCT customer numbers from the order history table.
- B. Using the DB2 API stage, select all rows. Use a parallel Sort stage with customer number and order date sort keys in ascending order, then Remove Duplicates with Last Duplicate to retain.
- C. Using the DB2 Enterprise stage, select all rows. Perform a unique Sort using customer number and order date sort keys in ascending order.
- D. Select all rows using the ODBC Connector stage, use a Sort Aggregator on customer number key to select the maximum order date.
Correct Answer: B 🗳️
Which three defaults are set in DataStage Administrator? (Choose three.)
- A. project level default for compile options
- B. project level default for Runtime Column Propagation
- C. default prompting options, such as Autosave job before compile
- D. project level defaults for environment variables
- E. project roles
Correct Answer: A,B,D 🗳️
Which three data types can the ODBC Enterprise stage handle? (Choose three.)
- A. SQL_TIMESTAMP
- B. SQL_VARBINARY
- C. SQL_CLOB
- D. SQL_SMALLDATETIME
- E. SQL_BIGINT
Correct Answer: A,B,E 🗳️
Which command line switch can be used to return the most recent start time for a given job?
- A. dsjob -run TIME <Project> <Job>
- B. dsjob -projectinfo <Project> -job <Job>
- C. dsjob -jobinfo <Project> <Job>
- D. dsjob -lognewest <Project> <Job>
Correct Answer: C 🗳️
You have created a new parallel routine that has custom date conversion logic to support a column named "TrnCharPtrnDt". You use a Table Definition named "TrnSrcSys" forall jobs accessing this as a source. What are two ways you can locate the jobs that may need to be considered for using this parallel routine? (Choose two.)
- A. In Manager use the Repository Advanced Find functionality with the "Where used" option for an object named "TrnCharPtrnDt".
- B. In Designer select the Jobs category and choose "Job Search" option to locate the value "*Date".
- C. In Designer select the "TrnSrcSys" object in the Repository window and choose the "Find Where used" option.
- D. In Designer use the Repository Advanced Find functionality with the "Where used" option for an object named "TrnCharPtrnDt".
Correct Answer: C,D 🗳️
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