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IBM C2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Performance Tuning and Optimization | - Parallel processing optimization
|
| DataStage Architecture and Components | - InfoSphere DataStage architecture overview
|
| Job Design and Development | - Server jobs and parallel jobs design
|
| Administration and Troubleshooting | - Monitoring and debugging jobs
|
| Data Integration and Connectivity | - Data sources and connectors
|
IBM InfoSphere DataStage v8.5 Sample Questions:
Which two data repositories can you use for user authentication within the Information Server Suite? (Choose two.)
- A. the IBM Information Server user directory
- B. the IBM Metadata repository
- C. the IBM Suite User Configuration file specified within the dsenv file
- D. the local operating system directory
Correct Answer: A,D 🗳️
A script invokes an update job called "UpdateKeys" via a command line invocation of the dsjob command. The service is to wait for the completion and status of this job before continuing with the rest its tasks. Which three commands would invoke the "UpdateKeys" job in the MigrationProject and wait for its completion status? (Select three)
- A. dsjob-run-userstatus MigrationProject UpdateKeys
- B. dsjob -run -jobstatus MigrationProject UpdateKeys
- C. dsjob -run MigrationProject UpdateKeys
- D. dsjob -run -log dsjob -run -userstatus MigrationProject UpdateKeys
- E. dsjob-run-wait MigrationProject UpdateKeys
Correct Answer: A,D,E 🗳️
DataStage offers database connectivity through connectors, native parallel and plug-in stage types. Which two statements are correct? (Choose two.)
- A. For maximum parallel performance, scalability, and features it is best to use the native parallel database stages.
- B. The connector stage offers better functionality and performance and is the best to use.
- C. Next to the connector stage it is best to use the native parallel database stages.
- D. ODBC API is a plug-in stage.
Correct Answer: B,C 🗳️
You would like to run a particular processing job within a job sequence for each weekday of the week. How could you do this? (Select two)
- A. Set the frequency property in the job scheduler to weekdays only.
- B. Have a parameter set that contains the days of the week you would like to process and routine to parse the days of the week contained in the "day" parameter.
- C. Start Loop and End Loop activity stages on the job sequencer canvas where you loop through the days and pass a value for each day into the job via parameter.
- D. Call a routine in the job sequencer that starts the processing job for each day you would like to process.
Correct Answer: A,C 🗳️
What would help debug the run-time environment?
- A. Check the message filters for the job.
- B. $OSH_PRINT_SCHEMAS
- C. View detailed runtime stats through Job monitor in Director Client.
- D. $APT_VERBOSE
Correct Answer: B 🗳️
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