In 2026, nobody needs another generic question dump. ValidDumps takes a different approach with the COG-635 exam: 65 practice questions checked by experts, an interface designed to stay out of your way, and a written refund policy for candidates who sit the real exam within 60 days and do not pass.
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | IBM Cognos 10 BI OLAP Developer |
| Exam Number: | C2090-635 |
| Exam Format: | Multiple Choice, Drag and Drop, Scenario-based, Multiple Response |
| Certificate Validity Period: | Retired (effective March 31, 2022) |
| Available Languages: | English, Japanese |
| Real Exam Qty: | 60 - 65 |
| Exam Price: | Approx. $200 USD (varies by region) |
| Related Certifications: | IBM Cognos 10 BI Developer |
| Exam Duration: | 90 minutes |
| Passing Score: | 61% - 66% |
| Recommended Training: | IBM Cognos 10 BI OLAP Development Training IBM Cognos Transformer Documentation |
| Exam Registration: | IBM Certification Portal Pearson VUE |
| Sample Questions: | ![]() |
| Exam Way: | Delivered via Pearson VUE (retired, no longer available) |
| Pre Condition: | No formal prerequisites; recommended 1-2 years experience with IBM Cognos 10 BI and OLAP development |
| Official Syllabus URL: | http://www-03.ibm.com/certify/exam.html?id=C2090-635 |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Sources | 12% | - Understand uniqueness and data integrity - Identify valid data sources for Transformer - Work with multiple data sources |
| Topic 2: Model Creation | 17% | - Build a basic Transformer model - Make data available in Cognos 10 studios - Implement time dimensions |
| Topic 3: PowerCube Content Customization | 20% | - Customize dimension structures - Modify and enhance PowerCube content |
| Topic 4: Security | 12% | - Secure PowerCubes and model access - Understand IBM Cognos 10 security model |
| Topic 5: Transformer Basics | 5% | - Describe the Transformer development process |
| Topic 6: Measures and KPIs | 12% | - Define and use key performance measures - Differentiate measure types |
| Topic 7: Maintenance and Advanced Techniques | 22% | - Optimize performance and storage - Update published PowerCubes and connections - Understand MUN impacts from changes - Model maintenance procedures - Troubleshoot model and cube issues |
IBM points candidates toward these official training resources for the IBM Cognos 10 BI OLAP Developer exam:
Coursework builds knowledge, but practice builds confidence — the 65 practice questions from ValidDumps are the natural next step once the training material is behind you.
The COG-635 exam is an official IBM certification exam built around the IBM Cognos 10 BI OLAP Developer syllabus detailed above. It counts toward these credential paths: IBM Cognos 10 BI Developer. Passing it demonstrates verified, job-relevant skills — one reason IBM credentials remain widely respected in 2026. ValidDumps helps you prepare with 65 practice questions available in PDF, Desktop Test Engine, and Online Test Engine formats.
According to the official outline, the IBM Cognos 10 BI OLAP Developer exam is structured around 7 content domains. The leading three are Data Sources (12%), Security (12%), and Model Creation (17%). The complete list appears in the topics section above, and ValidDumps's 65 practice questions span every domain in it.
Delivered via Pearson VUE (retired, no longer available) Use these official channels to register for the IBM Cognos 10 BI OLAP Developer exam:
Once your date is booked, work backward from it with the ValidDumps practice questions — they arrive by email within 1 minute of purchase.
You need 61% - 66% to pass the IBM Cognos 10 BI OLAP Developer exam, and registration costs Approx. $200 USD (varies by region). A failed attempt means paying that fee a second time, so test yourself with the ValidDumps engines first — the performance review shows whether you are actually ready to spend it.
Yes — under clear, written conditions. If you take the IBM Cognos 10 BI OLAP Developer exam within 60 days of purchase and do not pass, ValidDumps issues a full refund. The policy excludes exams taken within 3 days of purchase, exams never actually taken, free materials, and expired orders, and the candidate name must match the payer name. Send a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam, and your claim is processed within 7 days. If you would rather keep preparing, you can instead exchange for two free exam products of equal value while your original product's update service continues. Delivery after purchase is by email within 1 minute; contact support if nothing arrives within 2 hours.
The IBM Cognos 10 BI OLAP Developer exam contains 60 - 65 with a time limit of 90 minutes. Budgeting that time is a skill in itself — the timed mock mode in the ValidDumps Desktop Test Engine lets you rehearse the pace until it feels routine.
No formal prerequisites; recommended 1-2 years experience with IBM Cognos 10 BI and OLAP development Eligibility rules can be updated, so double-check them on the official IBM exam page before you register.
Three things candidates mention most: coverage, flexibility, and service. You receive 65 practice questions for the IBM Cognos 10 BI OLAP Developer exam in three formats — a printable expert-prepared PDF, a Windows Desktop Test Engine with two practice modes and offline use, and an Online Test Engine for any browser on Windows, Mac, Android, or iOS with test history and performance review. Install on unlimited computers, try the free demo first, get free updates for 365 days, and renew afterward at 50% off. Small touches matter too: hide the answers while you practice, reveal them when you check your work, and keep notes right where you study.
For a cube that represents values in Euros, what should be done for American consumers to see
the appropriate currency symbol in Euros?
Correct Answer: A 🗳️
How can a developer customize the reporting period so that the year has 52 weeks, with 7 days in
each week, yielding 364 days?
Correct Answer: D 🗳️
Columns have been renamed in the data source. Which command must the developer run to
update the model?
Correct Answer: D 🗳️
Where are the log files accessed to troubleshoot issues?
Correct Answer: B 🗳️
The time dimension contains levels for year, quarter, and month. How can the month levels in
2008 be retained while removing them from 2007?
Correct Answer: A 🗳️
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