Exam Name: IBM Cognos 10 BI Data Warehouse Developer
Certification Provider: IBM
Corresponding Certification: IBM Cognos
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Instant Download IBM : C2020-625 Questions & Answers as PDF & Test Engine
Updated: Sep 08, 2026
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IBM Cognos 10 BI Data Warehouse Developer follows objectives published by IBM, so preparation should stay aligned with the official outline. Actual4dump organizes 84 C2020-625 practice questions around those exam areas to support focused review.
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IBM C2020-625 Exam Overview:
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | IBM Cognos 10 BI Data Warehouse Developer (Cognos 10 BI Data Warehouse Developer Specialty Exam) |
| Exam Number: | C2020-625 |
| Related Certifications: | IBM Cognos BI Developer IBM Cognos 10 BI Reporting Professional |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple choice, Scenario-based questions |
| Recommended Training: | IBM Cognos Training Courses |
| Exam Registration: | IBM Certification Portal |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or test center (availability depends on region and IBM testing partner) |
| Pre Condition: | Basic understanding of data warehousing and relational databases is recommended. Prior experience with IBM Cognos BI is beneficial. |
| Official Syllabus URL: | https://www.ibm.com/certify |
IBM C2020-625 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Performance Optimization | - Query optimization techniques
|
| IBM Cognos Architecture | - Cognos BI components
|
| Framework Manager Modeling | - Relationships and query subjects
|
| Data Integration and ETL Concepts | - Data extraction and transformation
|
| Security and Administration | - Security models
|
| Reporting and Analysis | - Report creation
|
| Data Warehousing Fundamentals | - Dimensional modeling concepts
|
FAQs for IBM Cognos 10 BI Data Warehouse Developer Candidates
The C2020-625 exam leads to the IBM Cognos 10 BI Data Warehouse Developer certification from IBM. It is positioned at the Professional level. The exam validates the knowledge and skills expected of candidates preparing for IBM Cognos 10 BI Data Warehouse Developer.
Related certifications include:
- IBM Cognos BI Developer
- IBM Cognos 10 BI Reporting Professional
Basic understanding of data warehousing and relational databases is recommended. Prior experience with IBM Cognos BI is beneficial.
Eligibility rules can change, so confirm the current requirements on the official exam page before registering.
You can register through the official channels listed below:
The available exam delivery method is Online proctored or test center (availability depends on region and IBM testing partner).
The official training options include:
After reviewing the recommended training, reinforce what you learned with Actual4dump's 84 practice questions for C2020-625.
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The current C2020-625 outline is organized into 7 top-level domains. The first listed areas include:
- Security and Administration
- Reporting and Analysis
- Data Warehousing Fundamentals
Review the Exam Topics section above for the complete outline and any nested subtopics.
IBM Cognos 10 BI Data Warehouse Developer Sample Questions:
A developer wants to create a connection to a database in a Data Manager catalog. When creating this connection, which of the following must the developer specify?
- A. A default schema name.
- B. Method used to connect to the database.
- C. Names and port numbers of for Data Manager socket servers.
- D. Location of the .ctg file..
A fact build has been created that includes a Product Code dimension element. Each incoming product code must match a corresponding row in the Product dimension. What should the developer do?
- A. Create a second dimension element in the transformation model that will check for valid product codes.
- B. Create a template and reference the template in the Product Code element.
- C. Create a lookup to the dimension and reference the lookup in the Product Code element.
- D. Create an output filter and reference the output filter in the Product Code element.
- E. Create an attribute element in the transformation model that will check for valid product codes.
A lookup has been created to enable translation of incoming currency values (such as the US dollar) into another currency (such as the Euro). What should be done?
- A. Reference the lookup in the properties of the affected dimension build(s).
- B. Create a derivation which uses the reference atttributes of the lookup.
- C. Move the lookup to a fact build conversion map.
- D. Create a measure dimension which references the conversion rate.
A developer wants to create a connection to a published Framework Manager package in a Data Manager catalog. Before this connection can be created successfully, what must the developer do?
- A. Log on to Cognos Connection as a user in the Data Manager Authors role.
- B. Add an LDAP or NTLM namespace in Cognos Configuration.
- C. Configure Data Manager to access the Cognos 8 Gateway and Dispatcher URLs.
- D. Create a data source connection to the Cognos 8 data store.
A developer has created a lookup using a template (not a data source) for data access. Why would the developer do this?
- A. A derivation has been added to the lookup.
- B. Data must be accessed from more than one table.
- C. The build will perform automatic surrogate key substitution.
- D. The lookup attribute names are different from the source column names.
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