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IBM A2090-303 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Data Transformation | 14% | - Transformer stage functionality - Type conversion and derivations - Change Capture and Apply stages - Slowly Changing Dimension (SCD) stage |
| Job Design Principles | 12% | - Restart points and checkpoint design - Performance-oriented job design - Minimizing sorts and repartitions - Shared containers and reusable components |
| Parallel Architecture | 7% | - Environment variables for parallel jobs - Parallel execution framework - Partitioning and collecting methods |
| Complex Jobs & Real-Time | 10% | - Information Services Director (ISD) - Real-time integration patterns - Job sequences and dependencies |
| Configuration | 6% | - Node pools and parallel environment design - Project and environment setup - Configuration file structure |
| Performance Tuning | 10% | - Identifying bottlenecks - Environment variable tuning - Sorting and partitioning optimization |
| Deployment & Source Control | 7% | - Source control integration - Export/import of jobs and projects - Job comparison and impact analysis |
| Metadata | 6% | - Runtime Column Propagation (RCP) - Metadata sharing and reuse - Schema management and import |
| Database Connectivity | 7% | - SQL pushdown and data type handling - Connection configuration and optimization - Database Connector stages |
| Job Control & Runtime Management | 6% | - Monitoring execution status - Log analysis and troubleshooting - Error handling and message handlers |
| Persistent Storage | 15% | - Sequential File and Data Set stages - Data import/export operations - File format and record structure |
IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:
Question 1
A 100MB input dataset has even distribution across 400 unique key values. When you run with a 4-node configuration file, which two changes could improve sort performance in this scenario? (Choose two.)
A. Alter the Sort stage properties to perform a stable sort.
B. Set $APT_TSORT_STRESS_BLOCKSIZE to 50M
C. Specify "Restrict Memory Usage" to 60MB on the Sort stage properties.
D. Specify Round Robin partitioning on the input link to the Sort stage.
E. Convert all numeric fields to varchars.
Question 2
What is used to configure the DataStage QualityStage Operations Console?
A. The DSAppWatcher.sh script
B. DataStage Administrator
C. The DSODBCConfig.cfg file
D. Information Server Web Console
Question 3
Which Oracle data type conversion is correct?
A. Oracle data type RAW converts to RAW in Oracle Connector stage.
B. Oracle data type NUMBER(6,0) converts to INT32 in Oracle Connector stage.
C. Oracle data type NUMBER converts to DECIMAL(38,0) in Oracle Connector stage.
D. Oracle data type NUMBER(15,0) converts to INT32 in Oracle Connector stage.
Question 4
Identify the two statements that are true about the functionality of the XML Pack 3.0. (Choose two.)
A. It includes the XML Input, XML Output, and XML Transformer stages.
B. XML Stages are Plug-in stages.
C. Uses a unique custom GUI interface called the Assembly Editor.
D. XML Stage can be found in the Database folder on the palette.
E. A single XML Stage, which can be used as a source, target, or transformation.
Question 5
You are using the Change Capture stage in your job design to identify changes made to the input link (before image) to obtain the results in the output link. This job will be using a multi-node configuration file when executed. What are two requirements on the input link data for the Change Capture stage? (Choose two.)
A. sorted
B. key partitioned
C. sequential mode
D. parallel mode
E. merged links
Solutions:
| Question 1 Answer: B,C | Question 2 Answer: C | Question 3 Answer: B | Question 4 Answer: C,E | Question 5 Answer: A,B |
