Exam Name: InfoSphere DataStage v8.5
Certification Provider: IBM
Corresponding Certification: IBM Specialist
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IBM C2090-421 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Advanced Features and Integration | 10% | - Job sequences and control flow - Source control integration - Metadata management |
| DataStage Architecture and Components | 20% | - Parallel framework concepts - Project and repository management - InfoSphere Information Server architecture - Client and server components |
| Job Design and Development | 30% | - Stage usage and configuration - Sequential and parallel job creation - Parameter sets and environment variables - Data linking and partitioning |
| Data Transformation and Processing | 25% | - Transformer stage logic - Handling NULL values and data types - Slowly Changing Dimensions (SCD) - Lookup and reference data |
| Job Execution, Monitoring and Troubleshooting | 15% | - Job logs and error handling - Debugging and validation - Performance optimization - Director client usage |
IBM InfoSphere DataStage v8.5 Sample Questions:
You have a parallel shared container that is used by other parallel jobs within your project. Part of the logic in this shared container has been changed. Which two statements are true regarding this change to the parallel shared container? (Choose two.)
- A. Use usage analysis and multi-compile to re-compile job using this shared container.
- B. You can create a sequencer to re-compile all of the routines using this shared container.
- C. Jobs using this parallel shared container need to be re-compiled only when the metadata of the container is changed.
- D. Jobs using this parallel shared container need to be re-compiled.
Correct Answer: A,D 🗳️
Rows of data going into a Transformer stage are sorted and hash partitioned by the Input.Product column. Using stage variables, how can you determine when a new row is the first of a new group of Product rows?
- A. Create a stage variable named sv_Product and follow it by a second stage variable named
sv_IsNewProduct . Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product <> sv_Product THEN "YES"
ELSE "NO". - B. Create a stage variable named sv_IsNewProduct and follow it by a second stage variable
named sv_Product. Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product <> sv_Product THEN "YES"
ELSE "NO". - C. Create a stage variable named sv_Product and follow it by a second stage variable named
sv_IsNewProduct . Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product = sv_Product THEN "YES"
ELSE "NO". - D. Create a stage variable named sv_IsNewProduct and follow it by a second stage variable
named sv_Product. Map the Input.Product column to
sv_Product. The derivation for sv_IsNewProduct is: IF Input.Product = sv_Product THEN "YES"
ELSE "NO".
Correct Answer: B 🗳️
Which three methods can be used to import metadata from a Web Services Description Language (WSDL) document? (Choose three.)
- A. Web Service Function Definitions
- B. XML Table Definitions
- C. Job Stage Column tab properties entered using "Load" feature
- D. Web Services WSDL Definitions
- E. Orchestrate Schema Definitions
Correct Answer: A,B,D 🗳️
Which Oracle Enterprise stage read property can be set using -dboptions to tune job performance?
- A. arraysize
- B. memsize
- C. transactsize
- D. partitionsize
Correct Answer: A 🗳️
The Change Apply stage produces a change Data Set with a new column representing the code for the type of change. What are three change values identified by these code values? (Choose three.)
- A. Deleted
- B. Remove Duplicates
- C. Final
- D. Edit
- E. Copy
Correct Answer: A,D,E 🗳️
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