Reading about the exam and sitting the exam are different skills. The ValidDumps test engines simulate the IBM Cognos 10 BI OLAP Developer environment closely enough that by exam day, the COG-635 format feels like a routine you have already rehearsed.
| 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 Cognos 10 BI OLAP Developer is an official IBM certification exam, listed under the code COG-635. Clearing it earns the IBM Certified Developer - Cognos 10 BI OLAP certification, a Intermediate-level credential. It also ties into IBM Cognos 10 BI Developer, which makes it a useful anchor for a longer certification plan. For employers, the value is simple: the vendor itself has verified what you know.
You will work through 60 - 65 questions in 90 minutes on the IBM Cognos 10 BI OLAP Developer exam. The content is only half the battle; the clock is the other half. Train both at once: set the ValidDumps test engine to full timed mode, practice skipping and returning to stubborn items, and repeat until finishing with minutes to spare feels normal rather than lucky.
Passing IBM Cognos 10 BI OLAP Developer requires 61% - 66%, and the official registration fee is Approx. $200 USD (varies by region). Remember that a retake bills the same Approx. $200 USD (varies by region) all over again, so winging it is the most expensive strategy on the table. A better approach: benchmark yourself with the ValidDumps practice tests first, and schedule the real exam only once your scores sit comfortably and consistently above the requirement.
No formal prerequisites; recommended 1-2 years experience with IBM Cognos 10 BI and OLAP development
Requirements do evolve, so before you spend a registration fee, verify the current conditions on the official exam page.
Registration for IBM Cognos 10 BI OLAP Developer is handled through the vendor's official channels below.
One more detail for your planning: the exam is delivered Delivered via Pearson VUE (retired, no longer available).
IBM recommends the following training resources for the IBM Cognos 10 BI OLAP Developer exam.
Training tells you what to learn; practice questions teach you how the exam asks it. Pair either with the 65 items in the ValidDumps COG-635 package and you cover both halves.
Yes. The free demo on this page contains a portion of the complete IBM Cognos 10 BI OLAP Developer question set, enough to judge the accuracy and the clarity of the explanations for yourself. After purchase, updates are free for 365 days, and once your product expires you can extend the update service at a 50% discount.
ValidDumps provides a 100% money-back guarantee with clearly stated conditions. Take the IBM Cognos 10 BI OLAP Developer exam within 60 days of purchase; if you fail, you may claim a full refund, as long as the exam matches your product. Exams taken within 3 days of purchase are not eligible, and neither are products that were downloaded but never used, free materials, or expired orders; the candidate name must match the payer name. File the claim with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and it is processed within 7 days. If you would rather exchange than refund, you can receive two other exam products of equal value free of charge and keep the update service on your original purchase.
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The official IBM Cognos 10 BI OLAP Developer syllabus comprises 7 domains. The heaviest hitters are Data Sources (12%), Security (12%), and Model Creation (17%). The complete outline sits above on this page; walk it top to bottom and mark every line you could not teach to someone else.
Question 1
For a cube that represents values in Euros, what should be done for American consumers to see
the appropriate currency symbol in Euros?
A. Build Cubes using a system locale that matches the measure locale.
B. Use more than one data source to supply the conversion rates.
C. Set up currency conversion without defining a default currency.
D. Manually create and update the base currency information.
Question 2
How can a developer customize the reporting period so that the year has 52 weeks, with 7 days in
each week, yielding 364 days?
A. Set up a time period based on fiscal year.
B. Set up a time period based on a calendar year.
C. Set up a relative time category.
D. Set up a lunar time period.
Question 3
Columns have been renamed in the data source. Which command must the developer run to
update the model?
A. Rename columns
B. Check Columns
C. Update Columns
D. Modify Columns
Question 4
Where are the log files accessed to troubleshoot issues?
A. In the Content store.
B. In the path set in Transformer preferences.
C. In the Bin folder in the installation directory.
D. In the Temp directory.
Question 5
The time dimension contains levels for year, quarter, and month. How can the month levels in
2008 be retained while removing them from 2007?
A. Create a subdimension.
B. Add a manual level.
C. Add a special category.
D. Create a scenario dimension.
Solutions:
| Question 1 Answer: A | Question 2 Answer: D | Question 3 Answer: D | Question 4 Answer: B | Question 5 Answer: A |
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