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IBM C2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Debugging and Troubleshooting | - Job monitoring
|
| Job Design and Development | - Job types
|
| Performance Tuning and Optimization | - Parallel job optimization
|
| InfoSphere DataStage Architecture | - Parallel processing architecture
|
| Data Transformation and Processing | - Data cleansing techniques
|
| Job Control and Sequences | - Sequence jobs
|
IBM InfoSphere DataStage v8.5 Sample Questions:
1. You are running a DataStage job using a 2-node configuration file. How can a fixed-width single sequential file be read in parallel? (Choose two.)
A) Set the Execution Mode to the SequentialFile stage to "Parallel".
B) Specify a node constraint for the SequentialFile stage.
C) Use an external Source stage.
D) Set the "Read From Multiple Nodes" optional property to a value greater than 1.
E) Set the "Number of Readers per Node" optional property to a value greater than 1.
2. Which Oracle Enterprise stage read property can be set using -dboptions to tune job performance?
A) transactsize
B) memsize
C) arraysize
D) partitionsize
3. How are Host Systems added to the Shared Metadata repository? (Select two)
A) Use the DataStage Administrator application to import new Host Systems.
B) Select Repository > Metadata Sharing > Management from the main menu to open the Shared Metadata Management tool
C) Use the Import/Export Manager when importing shared metadata.
D) Use the shared table creation wizard from the DataStage client to add a new Host System.
4. How must the input data set be organized for input into the join stage? (Choose two.)
A) Sorted in ascending order
B) Hash partitioned
C) Unsorted
D) Key partitioned
E) Entire partitioned
5. 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_NO_PART_INSERTION
B) $APT_PM_PLAYER_MEMORY
C) $OSH_STDOUT_MSG
D) $OSH_PRINT_SCHEMAS
Solutions:
| Question # 1 Answer: D,E | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: A,D | Question # 5 Answer: D |
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