IBM Assessment: InfoSphere DataStage v8.5 : A2090-421 valid dumps

A2090-421 real exams

Exam Code: A2090-421

Exam Name: Assessment: InfoSphere DataStage v8.5

Updated: Aug 29, 2026

Q & A: 194 Questions and Answers

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IBM A2090-421 Exam Syllabus Topics:

SectionObjectives
Job Design and Development- Data flow and job sequencing
- Transformations and stages usage
- Designing DataStage jobs
Performance Tuning and Optimization- Parallel job optimization techniques
- Partitioning and parallelism strategies
Connectivity and Data Sources- Database connectors and stages
- File handling (sequential and complex files)
DataStage Architecture and Concepts- Parallel processing architecture
- Server vs parallel jobs overview
- InfoSphere DataStage components
Debugging and Administration- Logging and error handling
- Job monitoring and troubleshooting

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

Question 1

What are two fundamental functions of the Information Server Source Code Integration based on the Eclipse Team framework? (Choose two.)

A. Rollback Changes
B. Replace from Source Code Control Workspace
C. Commit Changes
D. Send to Source Code Control Workspace


Question 2

Which three methods can be used to import metadata from a Web Services Description Language (WSDL) document? (Choose three.)

A. XML Table Definitions
B. Web Service Function Definitions
C. Web Services WSDL Definitions
D. Orchestrate Schema Definitions
E. Job Stage Column tab properties entered using "Load" feature


Question 3

You are processing groups of rows in a Transformer. The first row in each group contains "1" in the Flag column and "0" in the remaining rows of the group. At the end of each group you want to sum and output the QTY column values. Which three techniques will enable you to retrieve the sum of the last group? (Choose three.)

A. Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column. Use the LastRow() function to determine when the last group is done.
B. Output a running total for each group for each row. Follow the Transformer stage by an Aggregator stage. Take the MAX of the QTY column for each group.
C. Within each group sort the Flag column in ascending order. Output the sum each time you process the row with a "1" in the Flag column.
D. Output the sum that you generated each time you process a row for which the LastRow() function returns True.
E. Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column.


Question 4

You are responsible for deploying objects into your customers production environment. To ensure the stability of the production system the customer does not permit compilers on production machines. They have also protected the project and only development machines have the required compiler. What two options will allow jobs with a parallel transformer to execute in the customers production machines? (Choose two.)

A. Set $APT_COPY_TRANSFORM_OPERATOR
B. Add $APT_COMPILE_OPT=-portable
C. Export the jobs with Information Server Manager with the executables.
D. Create a package with Information Server Manager and select the option to include executables.


Question 5

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. Jobs using this parallel shared container need to be re-compiled.
B. Jobs using this parallel shared container need to be re-compiled only when the metadata of the container is changed.
C. Use usage analysis and multi-compile to re-compile job using this shared container.
D. You can create a sequencer to re-compile all of the routines using this shared container.


Solutions:

Question 1
Answer: B,D
Question 2
Answer: A,B,C
Question 3
Answer: A,B,C
Question 4
Answer: C,D
Question 5
Answer: A,C

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