Exam Name: Assessment: InfoSphere DataStage v8.5
Certification Provider: IBM
Corresponding Certification: IBM Specialist
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IBM A2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Debugging and Administration | - Job monitoring and troubleshooting - Logging and error handling |
| DataStage Architecture and Concepts | - InfoSphere DataStage components - Server vs parallel jobs overview - Parallel processing architecture |
| Connectivity and Data Sources | - File handling (sequential and complex files) - Database connectors and stages |
| Performance Tuning and Optimization | - Partitioning and parallelism strategies - Parallel job optimization techniques |
| Job Design and Development | - Designing DataStage jobs - Transformations and stages usage - Data flow and job sequencing |
IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:
You have been asked to delete a shared container from the project by your customer. Before you do this you want to make sure it will not impact other objects in the project. How will you ensure that deleting the shared container will not cause a failure when jobs are recompiled?
- A. Select the shared container, Right-click on the Dependencies (deep) command.
- B. Select the shared container, Right-click on the Where used command.
- C. Select the shared container, Right-click on the Where used (deep) command.
- D. Advanced find, set Dependencies Of field equal to the container name, and Check the Option to Include nested results for Dependency searches.
Correct Answer: C 🗳️
Your customer is using Source Code Control Integration for Information server and have tagged artifacts for version 1. You must create a deployment package from the version 1.
Before you create the package you will have to ensure the project is up to date with version 1.
What two things must you do to update the meta-data repository with the artifacts tagged as version 1? (Select two)
- A. Right-click the asset and click the Team Import command.
- B. Right-click the asset and click Replace From Source Control Workspace.
- C. Right-click the asset and click the Team command to update the Source Control Workspace with the asset.
- D. Right-click the asset and click the Deploy command.
Correct Answer: A,C 🗳️
Which two statements are true about the usage of scratch disk? (Choose two.)
- A. The parallel framework uses the disk space specified in the scratch disk setting to buffer virtual data set records.
- B. The Sort stage always uses the scratch disk.
- C. If "buffer" scratch disk pool is defined, the framework uses this disk pool and the default disk pool.
- D. You can define multiple scratch disk spaces to distribute disk I/O.
Correct Answer: A,D 🗳️
Which two data repositories can you use for user authentication within the Information Server Suite? (Choose two.)
- A. the IBM Metadata repository
- B. the IBM Information Server user directory
- C. the local operating system directory
- D. the IBM Suite User Configuration file specified within the dsenv file
Correct Answer: B,C 🗳️
You found there were common functional requirements in the data mapping specification. The required functions are same but the record formats are different. Which action will allow you to effectively implement common logic?
- A. Create separate jobs and choose appropriate job within a job sequence.
- B. Create parallel routines.
- C. Create parallel shared containers and define columns combining all data formats.
- D. Create parallel shared containers with Runtime Column Propagation (RCP) ON and define only necessary columns needed for the logic.
Correct Answer: D 🗳️
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