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IBM A2090-303 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Performance Tuning and Optimization | - Memory and partitioning strategies - Parallel job tuning |
| Topic 2: DataStage Architecture and Concepts | - Parallel processing architecture - Project and environment structure - InfoSphere DataStage components |
| Topic 3: Job Design and Development | - Stages and transformers - Data flow design principles - Job types (parallel, server, sequence) |
| Topic 4: Data Integration and Transformation | - Lookup and join strategies - Data transformation logic - Data extraction and loading techniques |
| Topic 5: Administration and Deployment | - Security and user management - Job scheduling and monitoring |
IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:
Question 1
Identify two areas that DataStage can integrate with a Hadoop environment. (Choose two.)
A. Use the Oozie Workflow Activity stage in a sequencer job to invoke Oozie work flows.
B. Use the Pig Activity stage in a sequencer to invoke a Pig MapReduce program.
C. Use the Hive Activity stage in a sequences to invoke a Hive MapReduce program.
D. Use the MapReduce Transformer stage to convert Hadoop Distributed File System data.
E. Use the Big Data File stage to access files on the Hadoop Distributed File System.
Question 2
Identify the two statements that are true about the functionality of the XML Pack 3.0. (Choose two.)
A. XML Stages are Plug-in stages.
B. A single XML Stage, which can be used as a source, target, or transformation.
C. It includes the XML Input, XML Output, and XML Transformer stages.
D. Uses a unique custom GUI interface called the Assembly Editor.
E. XML Stage can be found in the Database folder on the palette.
Question 3
Which statement is true about table definitions created in DataStage Designer?
A. Table definitions created in DataStage Designer are not by default available to other Information Server products, but they can be shared with other Information Server products.
B. When a table definition is created in one DataStage project, it is automatically available in other DataStage projects, but not outside of DataStage.
C. Table definitions created in DataStage Designer are local to DataStage and cannot be shared with other Information Server products.
D. By default, table definitions created in DataStage Designer are visible to other Information Server products.
Question 4
Which two statements are true about stage variables in a Transformer Stage? (Choose two.)
A. A stage variable in one Transformer can refer to a stage variable in another Transformer, as long as the second Transformer was processed earlier in the job flow.
B. Stage variables are refreshed with default values before each new input row is processed.
C. Stage variables cannot be set to NULL.
D. Varchar stage variables can be initialized with spaces.
E. Stage variables can be set to NULL.
Question 5
What are two advantages of using Runtime Column Propagation (RCP)? (Choose two.)
A. Sequential files don't require schema files when using RCP.
B. Only columns used in the data flow need to be defined.
C. Columns not specifically used in the flow are propagated as if they were.
D. RCP forces a developer to define all columns explicitly.
E. Only columns that are defined as VarChar need RCP enabled.
Solutions:
| Question 1 Answer: A,E | Question 2 Answer: B,D | Question 3 Answer: A | Question 4 Answer: D,E | Question 5 Answer: B,C |
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