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IBM A2090-421 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Job Execution, Monitoring and Troubleshooting | 15% | - Debugging and validation - Director client usage - Job logs and error handling - Performance optimization |
| Topic 2: Job Design and Development | 30% | - Stage usage and configuration - Data linking and partitioning - Parameter sets and environment variables - Sequential and parallel job creation |
| Topic 3: Data Transformation and Processing | 25% | - Transformer stage logic - Lookup and reference data - Handling NULL values and data types - Slowly Changing Dimensions (SCD) |
| Topic 4: DataStage Architecture and Components | 20% | - Project and repository management - Parallel framework concepts - InfoSphere Information Server architecture - Client and server components |
| Topic 5: Advanced Features and Integration | 10% | - Job sequences and control flow - Source control integration - Metadata management |
IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:
Question 1
Which two property areas must be configured when using the ODBC connector stage as a target in your job design? (Choose two.)
A. Specify properties for the input link.
B. Specify the remote server property.
C. Define columns for the output link.
D. Define the connection properties to an ODBC data source.
Question 2
When using Runtime Column Propagation, which three stages require a schema file? (Select three)
A. Sequential File stage
B. Peek stage
C. Column Import stage
D. File Set stage
E. DB2 Enterprise stage
Question 3
Which of the following describes what happens when Runtime Column Propagation is enabled?
A. An input column value flows into a target column based on its position in the input row. For example, first column in the input row goes into the first target column.
B. An input column value flows into a target column only if it matches it by name.
C. An input column value flows into a target column only if it is explicitly mapped to it.
D. An input column value flows into a target column based on its position in a Schema file.
Question 4
Your job is using the DB2 Enterprise stage as a target. In this job you are inserting data into a single existing table on a remote database. You are using Run-Time Column Propagation (RCP) on all of the links.
Which two job design configuration actions would you consider to effectively use RCP? (Select two)
A. Use a Modify stage prior to the DB2 Enterprise stage in order to drop the columns not found in the table.
B. In the DB2 Enterprise stage set the option named "Silently Drop Columns Not in Table" to "True".
C. Use DB2 partitioning properties on the input link to the DB2 Enterprise stage to control column layout in partitions.
D. In the DB2 Enterprise stage use Connection properties to manage column mappings.
Question 5
The Change Apply stage produces a change Data Set with a new column representing the code for the type of change. What are three change values identified by these code values? (Choose three.)
A. Copy
B. Edit
C. Remove Duplicates
D. Deleted
E. Final
Solutions:
| Question 1 Answer: A,D | Question 2 Answer: A,C,D | Question 3 Answer: B | Question 4 Answer: B,C | Question 5 Answer: A,B,D |
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