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IBM C2090-303 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Job Design and Development | - Data flows and sequencing - Transformer stage usage - Job stages and links |
| Topic 2: DataStage Architecture and Components | - DataStage Director, Designer, and Administrator - Parallel processing architecture - Server vs Parallel jobs concepts |
| Topic 3: Administration and Troubleshooting | - Job monitoring and logging - Error handling and debugging - Environment configuration and deployment |
| Topic 4: Data Integration and Connectivity | - Database connectors (ODBC, JDBC) - Flat file and sequential file handling - Enterprise system integration |
| Topic 5: Performance Tuning and Optimization | - Parallel execution tuning - Memory and resource optimization - Partitioning strategies |
IBM InfoSphere DataStage v9.1 Sample Questions:
On the DataStage development server, you have been making enhancements to a copy of a DataStage job running on the production server. You have been asked to document the changes you have made to the job. What tool in DataStage Designer would you use?
- A. Compare Against
- B. Cross Project Compare
- C. diffapicmdline.exe
- D. DSMakeJobReport
Correct Answer: B 🗳️
Configuring the weighting column of an Aggregator stage affects which two options. (Choose two.)
- A. Maximum Value
- B. Uncorrected Sum of Squares
- C. Average of Weights
- D. Coefficient of Variation
- E. Sum
Correct Answer: B,E 🗳️
Your job sequence must be restartable. It runs Job1, Job2, and Job3 serially. It has been compiled with "Add checkpoints so sequence is restartable". Job1 must execute every run even after a failure. Which two properties must be selected to ensure that Job1 is run each time, even after a failure? (Choose two.)
- A. Use the Nested Condition Activity with a trigger leading to Job1; set the trigger expression type to "Unconditional".
- B. In the Job1 Activity stage set the Execution action to "Run".
- C. Set trigger on the Job1 Activity stage to "Unconditional".
- D. In the Job1 Activity stage set the Execution action to "Reset if required, then run".
- E. Set the Job1 Activity stage to "Do not checkpoint run".
Correct Answer: D,E 🗳️
Which requirement must be met to read from a database in parallel using the ODBC connector?
- A. Set the Enable partitioning property to Yes.
- B. ODBC connector always reads in parallel.
- C. Configure environment variable $APT_PARTITION_COUNT.
- D. Configure environment variable $APT_MAX_TRANSPORT_BLOCK_SIZE.
Correct Answer: A 🗳️
What two project environment variables can be considered in your parallel jobs to support your optimization strategy of partitioning and sorting? (Choose two.)
- A. $APT_TSORT_STRESS_BLOCKSIZE
- B. $APT_OPT_SORT_INSERTION
- C. $APT_NO_PART_INSERTION
- D. $APT_RESTRICT_SORT_USAGE
- E. $APT_PARTITION_FLUSH_COUNT
Correct Answer: A,C 🗳️
