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IBM C2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| DataStage Architecture and Concepts | - Parallel processing architecture - InfoSphere DataStage components - Server vs parallel jobs overview |
| Connectivity and Data Sources | - File handling (sequential and complex files) - Database connectors and stages |
| Debugging and Administration | - Logging and error handling - Job monitoring and troubleshooting |
| Performance Tuning and Optimization | - Parallel job optimization techniques - Partitioning and parallelism strategies |
| Job Design and Development | - Transformations and stages usage - Designing DataStage jobs - Data flow and job sequencing |
IBM InfoSphere DataStage v8.5 Sample Questions:
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) Define the connection properties to an ODBC data source.
C) Specify the remote server property.
D) Define columns for the output link.
2. Which environment variable determines where the temporary scores are stored?
A) APT_HIGH_SCORE
B) APT_DUMP_SCORE
C) APT_SAVE_SCORE
D) APT_JOB_MON
3. An important top level Job Sequence has been modified. It controls a process flow consisting of sub Job Sequences, Routines and Parallel Jobs. You must set up a new project to test the top level Job Sequence. You are not allowed to move any repository objects that are not impacted by the top level Job Sequence.
What two options would identify only the repository objects impacted by the change made to the top level Job Sequence? (Select two)
A) Repository Advanced Find Where Used
B) Select the top Level Job Sequence and Dependency of (deep).
C) On Export check Include dependencies of
D) Click Impact Analysis Icon on Designer Client Toolbar.
4. 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 a Schema file.
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 based on its position in the input row. For example, first column in the input row goes into the first target column.
D) An input column value flows into a target column only if it is explicitly mapped to it.
5. If you do not alter any of the Format settings, the Sequential File stage will produce a file with what three types of format? (Choose three.)
A) Rows are delimited by a UNIX newline.
B) Rows are delimited by a DOS newline.
C) All columns are delimited by a comma, except for the final column in a row.
D) All columns are delimited by a comma.
E) Variable length columns are contained within double quotes.
Solutions:
| Question # 1 Answer: A,B | Question # 2 Answer: C | Question # 3 Answer: A,C | Question # 4 Answer: B | Question # 5 Answer: A,C,E |






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