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Updated: Aug 01, 2026
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IBM A2090-421 Exam Overview:
| Certification Vendor: | IBM |
| Exam Name: | IBM Certified Solution Developer - InfoSphere DataStage v8.5 |
| Exam Number: | C2090-421 |
| Certificate Validity Period: | No expiration (subject to IBM certification policy updates) |
| Exam Price: | USD 200 (varies by region) |
| Real Exam Qty: | 64 |
| Exam Format: | Multiple choice, Multiple response |
| Available Languages: | English |
| Passing Score: | 63% |
| Exam Duration: | 90 minutes |
| Related Certifications: | IBM Certified DataStage certifications IBM InfoSphere Information Server certifications |
| Sample Questions: | IBM A2090-421 Sample Questions |
| Exam Way: | Online or onsite proctored exam via Pearson VUE |
| Pre Condition: | Recommended hands-on experience with IBM InfoSphere DataStage v8.5 and data integration concepts |
| Official Syllabus URL: | https://www.ibm.com/certify |
IBM A2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Performance Tuning and Optimization | - Parallel processing optimization
|
| Topic 2: Job Design and Development | - Server jobs and parallel jobs design
|
| Topic 3: DataStage Architecture and Components | - InfoSphere DataStage architecture overview
|
| Topic 4: Administration and Troubleshooting | - Monitoring and debugging jobs
|
| Topic 5: Data Integration and Connectivity | - Data sources and connectors
|
IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:
1. How is Runtime Column Propagation (RCP) enabled for use in DataStage Jobs?
A) RCP is by default available for all DataStage Projects.
B) Use the DataStage Administrator to enable RCP for the project.
C) Use RCP definition wizard to initialize RCP for project use.
D) Use the Info Server web console to enable RCP
E) Set the APT_ENABLE_RCP environment variable to TRUE.
2. A job validates credit card numbers with a reference file using a Join stage, which is hash partitioned by card number. Examination of Job Monitor reveals that some partitions process many more rows than others. Assuming adequate hardware resources, which action can be used to improve the performance of the job?
A) Use Round Robin partitioning on the stream and Entire partitioning on the reference.
B) Break the input file into multiple files.
C) Replace the Join with a Merge stage.
D) Alter the number of partitions in the $APT_CONFIG_FILE.
3. Which option is required to identify a particular job player processes?Which option is required to identify a particular job? player processes?
A) Log onto the server and issue the command "ps -ef | grep ds".
B) Set $APT_PM_SHOW_PIDS to true.
C) Use the DataStage Director Job administration screen to display active player processes.
D) Set $APT_DUMP_SCORE to true.
4. You are asked to identify the jobs and shared containers that use the ADDRESS column. The Size has changed from 50 to 120 characters in the source system so the jobs must be updated with the new size. What feature of the Designer will locate where a column is used in a DataStage project?
A) Open the Table Definition properties, Select the ADDRESS column, then right click and select Find where used.
B) Select a Table Definition, then right click and choose Find where column is used. Select the column to search for from the list.
C) From Designer Tools open an Advanced Find dialog. Select Columns from the Type list and enter the column name in the Name To Find field.
D) From Designer Tools, open an Advanced Find dialog. Enter the column name in the Name to find field. Select Jobs and Shared Containers from the Type to find list.
5. You are asked to convert a relational source, as shown in the exhibit, into three separate XML files. How would you accomplish this task?
A) Set "Output mode" setting" Split rows" under "Transformation Settings" of the Output link of an XML Output stage.
B) Set "Output mode" setting "Single row" under "Transformation Settings" of the Output link of an XML Output stage.
C) Set "Output mode" setting "Segregate" on column "Customer ID" under "Transformation Settings" of the Output link of an XML Output stage.
D) Set "Output mode" setting "Break" on column "Customer ID" under "Transformation Settings" of the Output link of an XML Output stage.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: B |
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