Exam Name: Assessment: IBM InfoSphere DataStage v9.1 Assessment
Certification Provider: IBM
Corresponding Certification: IBM Certified Solution Developer
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IBM A2090-303 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Parallel Architecture | 7% | - Node configuration and performance - Partitioning and collecting methods - Parallel execution concepts |
| Data Transformation | 14% | - SCD and complex transformations - Data conversion and mapping - Transformer stage functionality |
| Metadata Management | 6% | - Schema and data type handling - Importing and exporting metadata - Runtime Column Propagation (RCP) |
| Job Design & Deployment | 18% | - Job sequencing and restartability - Balanced Optimization - Compilation and deployment procedures |
| Database Connectivity | 7% | - Database stage selection - Connection and query configuration - Source and target database properties |
| Job Components & Processing | 11% | - Sort and Filter stages - Shared containers and reusability - Join, Lookup, and Merge stages |
| Configuration | 6% | - Environment variables and settings - Configuration file components and usage - Project setup and configuration |
| Persistent Storage | 15% | - Sequential File stage usage - Data import/export operations - File formats and properties |
| Performance & Troubleshooting | 16% | - Logging and monitoring - Error handling and debugging - Performance tuning techniques |
IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:
You are asked by your customer to collect partition level runtime metadata for DataStage parallel jobs. You must collect this data after each job completes. What two options allow you to automatically save row counts and CPU time for each instance of an operator? (Choose two.)
- A. $APT_CPU_ROWCOUNT
- B. Click the Performance Analysis icon in the toolbar to open the Performance Analyzer utility.
- C. Open up the job in Metadata Workbench and select the "Data Lineage" option.
- D. Enable the job property "Record job performance data".
- E. $APT_PERFORMANCE_DATA
Correct Answer: D,E 🗳️
Two new columns have been deleted from a sequential file that a number of DataStage jobs write to. You have imported a table definition for the changed file. How can you determine what jobs might be affected by this change?
- A. Select the original table definition, right-click, then click on the Where used command.
- B. Select the new table definition, right-click, then click on the Where used command.
- C. Select the new table definition, right-click, click on the Compare against command, then select original table definition.
- D. Select the original table definition, right-click, then click on the Find dependencies command.
Correct Answer: A 🗳️
You want to find out which table definitions have been loaded into a job, and specifically which stages of the job they has been loaded into? How will you determine this?
- A. Select the job, right-click, then click the Find dependencies (deep) command.
- B. Select the job, right-click, then click the Find where used (deep) command.
- C. Select the job, right-click, then click the Find dependencies command. Then right-click and select "Show the dependency path from the job".
- D. Select the job, right-click, then click the Find where used command. Then right-click and select "Show the dependency path from the job".
Correct Answer: C 🗳️
Your job will write its output to a fixed length data file. When configuring the sequential file stage as a target what format and column tab properties need to be considered for this type of file output?
- A. On the Output Link format tab, change the 'Delimiter' property to whitespace.
- B. On the Output Link format tab, add the 'Record Type' property to the tree and set its value to be 'F'.
- C. On the Output Link column tab, insure that all the defined column data types are fixed length types.
- D. On the Output Link column tab, specify the record size total based on all of the columns defined
Correct Answer: C 🗳️
The parallel framework supports standard and complex data types in the SQL type column tab property. Identify the two complex data types? (Choose two.)
- A. VarChar
- B. Linked list
- C. Subrecord
- D. Vector
- E. Binary trees
Correct Answer: C,D 🗳️
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