What makes practice materials reliable? Experienced authors, verified answers, frequent updates, and a seller confident enough to show you samples first. The IBM Cognos 10 BI OLAP Developer package at RealValidExam checks all four boxes, and the COG-635 exam demo is free for you to confirm it.
IBM COG-635 Exam Overview:
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | IBM Cognos 10 BI OLAP Developer |
| Exam Number: | COG-635 / C2090-635 |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | Retired / No longer offered |
| Exam Price: | $200 USD (approximate, varies by region) |
| Available Languages: | English, Japanese |
| Real Exam Qty: | 60-65 |
| Related Certifications: | IBM Certified Solution Expert - Cognos BI IBM Certified Developer - Cognos BI Metadata Models IBM Certified Administrator - Cognos BI |
| Exam Format: | Multiple Choice, Scenario-based |
| Passing Score: | 65% |
| Recommended Training: | IBM Cognos 10 BI OLAP Development Training |
| Exam Registration: | IBM Certification Registration Pearson VUE |
| Sample Questions: |  |
| Exam Way: | Proctored at authorized Pearson VUE test centers or online proctoring (when active) |
| Pre Condition: | Basic knowledge of Cognos BI, data warehousing, and OLAP concepts; hands-on experience with IBM Cognos Transformer |
| Official Syllabus URL: | http://www-03.ibm.com/certify/exam.html?id=C2090-635 |
IBM COG-635 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Model Creation | 17% | - Publish to Cognos 10 Studios - Time dimension implementation - Build basic Transformer model |
| PowerCube Content Customization | 20% | - Member properties and attributes - Hierarchy design - Dimension and level customization |
| Maintenance & Advanced Techniques | 22% | - Troubleshooting and optimization - Model maintenance and updates - PowerCube refresh and deployment - MUN impact and handling |
| Transformer Basics | 5% | - Transformer development lifecycle |
| Data Sources | 12% | - Supported data sources - Multiple source integration - Uniqueness and data integrity |
| Measures and KPIs | 12% | - Measure properties and calculations - Define and differentiate measures |
| Security | 12% | - Secure PowerCubes and dimensions - Cognos 10 security model |
COG-635 Exam FAQ: From Overview to Registration
Check three things. First, authorship: the IBM Cognos 10 BI OLAP Developer questions at RealValidExam are developed by experts with long experience in this field, and every answer is verified before publication. Second, update discipline: the bank is revised at high frequency, because exam content never stands still. Third, transparency: a free demo lets you inspect real sample questions and the practice interface before paying. Materials that cannot survive those three checks are not worth your money — ours are built to pass them.
The passing score for the COG-635 exam is 65%, and the registration fee is $200 USD (approximate, varies by region). With the fee paid per attempt, thorough preparation is the economical route — consistent timed practice until your scores stay above the passing mark.
The COG-635 exam is the official examination for the IBM Cognos 10 BI OLAP Developer certification from IBM. It measures whether you can apply the published exam objectives to realistic working scenarios, and in a job market where enterprises keep raising requirements, the resulting credential is a clear, verifiable advantage — for job seekers and for employees aiming at the next step alike.
According to the official outline, the COG-635 exam is structured around weighted domains such as:
- Measures and KPIs (12%)
- Transformer Basics (5%)
- Data Sources (12%)
Because the exam evolves, the IBM Cognos 10 BI OLAP Developer practice materials at RealValidExam are updated frequently — and the latest version is emailed to you automatically whenever a revision is released during your update period.
Official registration for the COG-635 exam is available through:
Choose a date that leaves room for a full round of timed practice beforehand — the deadline itself is a powerful study tool.
The COG-635 exam presents 60-65 questions within 90 minutes minutes. Rehearsing complete sets under the same time cap trains both accuracy and pacing, and it is the fastest way to find out which domains still need work.
Yes — user experience begins before checkout here. Download the free demo of the COG-635 exam product to browse real sample content, see how the expert-verified answers are presented, and get a feel for the practice interface. After that preview, the decision is fully yours: if the materials fit, the full package is a one-minute checkout away; if not, the demo cost you nothing. Every demo at RealValidExam is free of charge.
IBM lists these training resources for candidates:
Official training builds the knowledge; frequent practice with an up-to-date question bank builds the exam-day readiness. The two reinforce each other well.
Basic knowledge of Cognos BI, data warehousing, and OLAP concepts; hands-on experience with IBM Cognos Transformer
IBM Cognos 10 BI OLAP Developer Sample Questions:
For performance reasons, what is the best parent-child ratio for categories in each level?
- A. 5:1 or less
- B. 1:11 or more
- C. 10:1 or more
- D. 1:10 or less
Correct Answer: D 🗳️
For a cube that represents values in Euros, what should be done for American consumers to see
the appropriate currency symbol in Euros?
- A. Manually create and update the base currency information.
- B. Build Cubes using a system locale that matches the measure locale.
- C. Set up currency conversion without defining a default currency.
- D. Use more than one data source to supply the conversion rates.
Correct Answer: B 🗳️
The Region dimension is organized by Territory, Country, and City. Which option can be applied to
only show data for the United States and its descendants?
- A. Summarize
- B. Cloak
- C. Apex
- D. Suppress
Correct Answer: C 🗳️
A group called Authors is used in a custom view. How is information updated if the Author group
members change in the authentication provider?
- A. The services must be restarted in Cognos Configuration.
- B. The package must be republished.
- C. The changes are automatically updated at run time.
- D. The PowerCube must be rebuilt.
Correct Answer: C 🗳️
In Transformer, how can a developer restrict access to an entire PowerCube from authorized
users?
- A. Apply namespace-level security.
- B. Set package-based security.
- C. Set member-based security.
- D. Apply cube-based security.
Correct Answer: D 🗳️
