COG-125 Exam Dumps
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| Certification Provider: | IBM |
|---|---|
| Exam Code / Number: | COG-125 |
| Exam Name: | IBM Cognos 8 BI Data Warehouse Developer |
| Exam Questions: | 84 |
| Last Updated: | Jun 19, 2026 |
| Corresponding Certification: | IBM Cognos |
(305 Up Votes)IBM COG-125 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| ETL Design and Implementation | 25% | - Extract, Transform, Load processes - Data quality and cleansing - Error handling and recovery - Incremental and full loads |
| Dimensional Data Modeling | 25% | - Fact and dimension tables - Slowly Changing Dimensions (SCD) - Star and snowflake schemas - Surrogate keys and hierarchies |
| Data Warehouse Concepts and Architecture | 20% | - Enterprise data warehouse architecture - Metadata and data lineage - OLAP vs OLTP principles - Data warehouse vs operational database |
| Deployment and Maintenance | 10% | - Monitoring and tuning - Security and access control - Backup and recovery strategies |
| Cognos 8 BI Data Warehouse Integration | 20% | - Optimizing warehouse for Cognos reporting - Framework Manager and data source setup - Query performance and indexing |