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IBM C2090-421 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced Features and Integration | 10% | - Metadata management - Job sequences and control flow - Source control integration |
| Topic 2: Job Execution, Monitoring and Troubleshooting | 15% | - Performance optimization - Debugging and validation - Director client usage - Job logs and error handling |
| Topic 3: Job Design and Development | 30% | - Stage usage and configuration - Data linking and partitioning - Sequential and parallel job creation - Parameter sets and environment variables |
| Topic 4: Data Transformation and Processing | 25% | - Slowly Changing Dimensions (SCD) - Transformer stage logic - Handling NULL values and data types - Lookup and reference data |
| Topic 5: DataStage Architecture and Components | 20% | - Parallel framework concepts - Client and server components - Project and repository management - InfoSphere Information Server architecture |
IBM InfoSphere DataStage v8.5 Sample Questions:
1. Which three statements are true about characteristics of shared containers? (Select three)
A) Containers allow you to implement recurring logic.
B) Containers are a group of stages and links.
C) Containers allow multiple users to access a single job.
D) Containers allow you to provide pre-configured job design logic.
E) Containers are used to execute jobs.
2. What is the correct restructure stage to extract data from four input columns (three of which carry vectors) and output them into two columns with one vectors in a subrecord and the non-vector carrying column being passed through the stage?
A) Make Subrecord Stage
B) Split Subrecord Stage
C) Column Import Stage
D) Column Export Stage
3. Which three attributes are found for each segment in a Data Set descriptor file? (Select three)
A) Copy of the configuration file used when segment was created.
B) Path names of all data files on all processing nodes.
C) Statistical information such as number of records in the segment and number of bytes.
D) Schema of Data Set.
E) Flag marking segment as valid or invalid.
4. To better understand the data flowing through a job, it is desirable to have structural information about the datasets captured in the job log. Which environment variable can provide this information?
A) $APT_PM_PLAYER_MEMORY
B) $OSH_PRINT_SCHEMAS
C) $OSH_STDOUT_MSG
D) $APT_NO_PART_INSERTION
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. By default, the Change Capture stage produces an output change link with which two characteristics? (Choose two.)
A) Table Definition based on the keys of the input link
B) added column named Change_Code
C) added column named Difference_Value
D) Table Definition based on the after input link
Solutions:
| Question # 1 Answer: A,B,E | Question # 2 Answer: C | Question # 3 Answer: A,B,C | Question # 4 Answer: B | Question # 5 Answer: B,D |
