IBM Cognos 8 BI OLAP Developer : COG-135

  • Exam Code: COG-135
  • Exam Name: IBM Cognos 8 BI OLAP Developer
  • Updated: Oct 23, 2026     Q & A: 69 Questions and Answers

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About IBM COG-135 Exam

Instill them on your smartphone or computer — and treat them as a way to learn, not entertainment. The IBM Cognos 8 BI OLAP Developer study vce at PracticeTorrent: 69 practice questions for the COG-135 exam.

IBM COG-135 Exam Overview:

Certification Vendor:IBM
Exam Name:IBM Cognos 8 BI OLAP Developer
Exam Number:COG-135 / BI0-135
Available Languages:Japanese, Spanish, German, French, English
Exam Price:$150-$200 USD
Passing Score:70%
Certificate Validity Period:Lifetime (no expiration, retired exam)
Exam Format:Single/Multiple Select, Multiple Choice
Exam Duration:90 minutes
Real Exam Qty:60-69
Related Certifications:IBM Cognos 10 BI OLAP Developer
IBM Cognos 8 BI Developer
Recommended Training:IBM Cognos 8 BI OLAP Development Course
Exam Registration:Prometric (historical)
IBM Training & Certification
Sample Questions:Free Download COG-135 exam dumps pdf
Exam Way:Proctored exam via Prometric / Pearson VUE; RETIRED, no longer available for registration
Pre Condition:No formal prerequisites; recommended basic knowledge of Cognos 8 BI and data warehousing
Official Syllabus URL:https://www.ibm.com/training/certification

IBM COG-135 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Cube Designer and Dimensional Editor25%- Implementing complex calculations
- Building OLAP cubes
- Applying business rules
Topic 2: OLAP and Dimensional Modeling Concepts20%- Dimensional modeling principles
- Star and snowflake schemas
- OLAP cube fundamentals
Topic 3: Performance and Optimization15%- Troubleshooting dimensional models
- Cube design best practices
- Query optimization
Topic 4: Advanced OLAP Functions15%- MDX and dimensional functions
- Custom member definitions
- Time-based calculations
Topic 5: Framework Manager Dimensional Modeling25%- Defining dimensions, hierarchies and levels
- Modeling measures and facts
- Creating dimensional metadata

IBM Cognos 8 BI OLAP Developer Exam FAQ — Your Confidant

90 minutes for 60-69 questions. Whatever your level, daily timed practice with the PracticeTorrent material builds the pacing you need.

$150-$200 USD per attempt, 70% to pass. Retakes cost the full fee — value for money starts with the 69 practice questions for the COG-135 exam at PracticeTorrent.

Upon successful payment, our system emails the IBM Cognos 8 BI OLAP Developer useful study vce automatically within about a minute — secure payment protection means no financial risks, and 24/7 help responds if nothing arrives within 2 hours. If you fail the corresponding COG-135 exam within 60 days of purchase, we refund the full amount: send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.

Through the vendor's official registration channels:

The IBM Cognos 8 BI OLAP Developer is delivered Proctored exam via Prometric / Pearson VUE; RETIRED, no longer available for registration — pick the arrangement that suits you when booking.

Yes — have a thorough view of the free IBM Cognos 8 BI OLAP Developer demos for an experimental trial before purchasing. Purchases include 365 days of free updates by email, plus discounts on second purchases; renew afterward at 50% off.

The IBM Cognos 8 BI OLAP Developer is IBM's certification exam for IBM Certified Developer - Cognos 8 BI OLAP, at the Intermediate / Professional level. In drastic competition, the certificate is an explicit demonstration of your knowledge. Related credentials include IBM Cognos 8 BI Developer, IBM Cognos 10 BI OLAP Developer.

The IBM Cognos 8 BI OLAP Developer blueprint spans 5 domains — including Advanced OLAP Functions (15%), OLAP and Dimensional Modeling Concepts (20%), Framework Manager Dimensional Modeling (25%). Progress domain by domain at your own level; the complete outline above lists every subtopic.

Yes:

After any course, command the skills with the 69 practice questions for the IBM Cognos 8 BI OLAP Developer — every answer expert-verified.

No formal prerequisites; recommended basic knowledge of Cognos 8 BI and data warehousing Eligibility rules change over time, so verify the current requirements on the official page (official COG-135 exam page) before registering.

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