PDF Version DemoThree versions, one decision: the IBM InfoSphere DataStage v8.5 package from ActualPDF comes as a budget-friendly printable PDF, a Windows software engine that flags your mistakes for re-practice, and an online version for any operating system. All carry the same 194 C2090-421 questions.
IBM C2090-421 Exam Overview:
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | IBM InfoSphere DataStage v8.5 Application Development |
| Exam Number: | A2090-421 |
| Related Certifications: | IBM InfoSphere Information Server Certification Track IBM Certified Solution Developer - InfoSphere DataStage |
| Available Languages: | Japanese, English |
| Exam Format: | Multiple choice, Scenario-based questions |
| Exam Duration: | 90-120 |
| Certificate Validity Period: | 3 years (typical IBM certification validity for legacy exams) |
| Real Exam Qty: | 60-70 |
| Exam Price: | $200-250 USD (varies by region) |
| Recommended Training: | IBM InfoSphere DataStage Training (official IBM courses) |
| Exam Registration: | IBM Certification Portal Pearson VUE IBM Certification Registration |
| Sample Questions: |  |
| Exam Way: | Proctored exam via Pearson VUE (online or test center) |
| Pre Condition: | Basic knowledge of ETL concepts and IBM InfoSphere Information Server is recommended |
| Official Syllabus URL: | https://www.ibm.com/training/certification |
IBM C2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| InfoSphere DataStage Architecture | - Parallel processing architecture
|
| Job Design and Development | - Job types
|
| Performance Tuning and Optimization | - Parallel job optimization
|
| Debugging and Troubleshooting | - Job monitoring
|
| Job Control and Sequences | - Sequence jobs
|
| Data Transformation and Processing | - Aggregation and sorting
|
C2090-421 Exam FAQ: Before You Book Your Seat
IBM InfoSphere DataStage v8.5 is an official IBM exam, listed under exam code C2090-421. A passing result earns you the IBM Certified Solution Developer - InfoSphere DataStage v8.5 certification at the Professional level. It also ties into IBM Certified Solution Developer - InfoSphere DataStage, IBM InfoSphere Information Server Certification Track, extending its value across your certification roadmap. Employers read this credential as verified competence, which is why it keeps appearing in job requirements.
Expect 60-70 questions inside 90-120 on the IBM InfoSphere DataStage v8.5 exam. That pace punishes hesitation, so rehearse it: the ActualPDF software engine simulates the real exam scene, reminds you of the questions you got wrong, and pushes you to re-practice them until the clock stops being your enemy.
Basic knowledge of ETL concepts and IBM InfoSphere Information Server is recommended
Requirements evolve, so confirm the current conditions before registering on the official exam page.
Registration for IBM InfoSphere DataStage v8.5 goes through the official channels listed here.
When you schedule, note that the exam is delivered Proctored exam via Pearson VUE (online or test center).
IBM recommends the following training for IBM InfoSphere DataStage v8.5 candidates.
Follow any course with the 194 practice questions in the ActualPDF C2090-421 package; the software engine will even remind you which mistakes need another round.
Yes. ActualPDF provides a free download demo of the IBM InfoSphere DataStage v8.5 material, so you can check the content before choosing a version. After purchase, a one-year warranty covers you: the latest version is sent to you as it releases, free for 365 days, and after expiry you can extend the update service at a 50% discount.
Your purchase is covered by a 100% money-back guarantee with clear conditions. Take the IBM InfoSphere DataStage v8.5 exam within 60 days of purchase; if you fail, provide your unqualified result by submitting a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and the full refund is processed within 7 days. The exam must match your product, candidate and payer names must match, and attempts within 3 days of purchase, unused downloads, free materials, and expired orders are not covered. Alternatively, exchange for two other exam products of equal value, free, or wait for updates while keeping your original product's update service.
Delivery is instant: files unlock for download at payment and are emailed within one minute. If nothing arrives within 2 hours, check spam and contact customer service, which works 7/24 and normally replies within two hours. Installation is unlimited across your computers.
The IBM InfoSphere DataStage v8.5 syllabus spans 6 domains, led by Job Control and Sequences, Debugging and Troubleshooting, and Data Transformation and Processing. The complete topic list is published above; candidates who study the map first rarely get lost later.
IBM InfoSphere DataStage v8.5 Sample Questions:
You are asked by management to document all jobs written to make future maintenance easier. Which two statements are true about annotations? (Choose two.)
- A. The full job description can be identified within the Description Annotation stage.
- B. The Description Annotation stage contains both the short and full descriptions for the job.
- C. The background for the Description Annotation stage can be changed for each unique stage.
- D. The Description Annotation stage can be added several times at different locations to identify business logic.
You are setting up the parallel engine configuration file. Which two statements are true about file system efficiency? (Select two)
- A. Specify a directory for the resource disk in the partition where the engine is installed.
- B. In a clustered environment where NAS is used for a common storage, specify the internal disk for scratch disk.
- C. Using multiple scratch spaces in a logical node improves performance.
- D. Creating scratch disk space on an internal disk improves sort performance than NFS drive.
What are the three aggregation types can be set in the Aggregator stage? (Select three)
- A. Count Rows
- B. Count Values
- C. Recalculate
- D. Calculate
- E. Sum Rows
Explanation: Only visible for ActualPDF members. You can sign-up / login (it's free).
Which option is required to identify a particular job player processes?Which option is required to identify a particular job? player processes?
- A. Set $APT_DUMP_SCORE to true.
- B. Use the DataStage Director Job administration screen to display active player processes.
- C. Set $APT_PM_SHOW_PIDS to true.
- D. Log onto the server and issue the command "ps -ef | grep ds".
Which requirement must be met to read from a database in parallel using the ODBC connector?
- A. ODBC connector always reads in parallel.
- B. Configure environment variable $APT_PARTITION_COUNT.
- C. Set the Enable partitioning property to Yes.
- D. Configure environment variable $APT_MAX_TRANSPORT_BLOCK_SIZE.
