A IBM credential carries real weight with employers, and the IBM InfoSphere DataStage v8.5 exam is the step that earns it. GetValidTest makes that step shorter with 194 expert-prepared practice questions for the C2090-421 exam.
IBM C2090-421 Exam Overview:
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | IBM Certified Solution Developer - InfoSphere DataStage v8.5 |
| Exam Number: | C2090-421 |
| Real Exam Qty: | 64 |
| Related Certifications: | IBM Certified DataStage certifications IBM InfoSphere Information Server certifications |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Passing Score: | 63% |
| Exam Price: | USD 200 (varies by region) |
| Exam Format: | Multiple response, Multiple choice |
| Certificate Validity Period: | No expiration (subject to IBM certification policy updates) |
| 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 C2090-421 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Integration and Connectivity | - Data sources and connectors
|
| Topic 2: Administration and Troubleshooting | - Monitoring and debugging jobs
|
| Topic 3: DataStage Architecture and Components | - InfoSphere DataStage architecture overview
|
| Topic 4: Performance Tuning and Optimization | - Parallel processing optimization
|
| Topic 5: Job Design and Development | - Server jobs and parallel jobs design
|
C2090-421 Exam FAQs for 2026 Candidates
The C2090-421 exam is the official IBM exam behind the IBM Specialist certification, validating the skills measured by the IBM InfoSphere DataStage v8.5 credential. It sits at the Professional level of the IBM certification program. It also connects to IBM Certified DataStage certifications, IBM InfoSphere Information Server certifications, so the knowledge you build here carries over to those tracks as well.
The C2090-421 exam contains 64 questions to be completed within 90 minutes. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the GetValidTest test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.
The passing score for the C2090-421 exam is 63%, and the official registration fee is USD 200 (varies by region). Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 194 practice questions on GetValidTest, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.
Recommended hands-on experience with IBM InfoSphere DataStage v8.5 and data integration concepts Requirements can change when IBM revises its certification program, so confirm the current eligibility rules on the official exam page before you register.
Yes. GetValidTest provides a free C2090-421 PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if IBM revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.
Every IBM InfoSphere DataStage v8.5 purchase on GetValidTest is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.
Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.
The IBM InfoSphere DataStage v8.5 exam blueprint is organized into 5 domains. The first three are:
- Data Integration and Connectivity
- DataStage Architecture and Components
- Performance Tuning and Optimization
For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.
IBM InfoSphere DataStage v8.5 Sample Questions:
What three statements are true with regards to restartable mode for an FTP Enterprise stage? (Select three)
- A. Specify the-restartable_transfer option.
- B. Specify a checkpoint directory for the transfer using the -checkpointdir directory.
- C. Optionally specify a unique job_id for the transfer.
- D. Checkpoint files are written to /^"checkpoint directory">/pftpJobid_ <"jobid number">.
- E. File URIs that were transferred completely are not transferred again.
Correct Answer: B,C,D 🗳️
Explanation: Only visible for GetValidTest members. You can sign-up / login (it's free).
In a Transformer expression for a stage variable, there is a nullable input column. What happens when a row is processed that contains NULL in that input column?
- A. The value written to the stage variable is undetermined.
- B. NULL is written to the stage variable.
- C. The job aborts.
- D. The row is rejected.
Correct Answer: B 🗳️
Your job uses the MQ connector stage to read messages from an MQ queue. The job should retrieve the message ID into the MessageID field and parse the payload into two fields: Name is to get the first ten characters, Description is to get the remaining characters.
What will accomplish this?
- A. First column is MessageID; select the WSMQ.MSGID data element for the Message ID field; second column is Name; select WSMG.MSPAYLOAD data element; third column is Description; select WSMG.MSPAYLOAD data element.
- B. First column is MessageID; select the WSMQ.MSGID data element for the Message ID field; column is Description as VarBinary 200; third column is Name as Binary 10.
- C. First column is MessageID as Binary 24; second column is Name as Binary 10; select WSMG. MSPAYLOAD data element; third column is Description as VarBinary 200; select WSMG.MSPAYLOAD data element.
- D. First column is MessageID; select the WSMQ.MSGID data element for the Message ID field; second column is Name as Binary 10; third column is Description as VarBinary 200.
Correct Answer: B,C 🗳️
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. Edit
- C. Final
- D. Remove Duplicates
- E. Copy
Correct Answer: A,B,E 🗳️
How is Runtime Column Propagation (RCP) enabled for use in DataStage Jobs?
- A. Set the APT_ENABLE_RCP environment variable to TRUE.
- B. RCP is by default available for all DataStage Projects.
- C. Use the DataStage Administrator to enable RCP for the project.
- D. Use the Info Server web console to enable RCP
- E. Use RCP definition wizard to initialize RCP for project use.
Correct Answer: C 🗳️
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