*  Exam Number/Code : COG-180
* Exam Name : IBM Cognos 8 BI Professional
* Questions and Answers : 66 Q&As
* Update Time: 2010-03-18
* Price: $ 99.00

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3. Which of the following is true regarding hierarchies and dimensions?
A. Hierarchies help users understand the data through rollup levels within dimensions.
B. All dimensions must have hierarchies.
C. All hierarchies are defined by the inherent nature of their dimensional data.
D. It is considered poor design to split a hierarchy across multiple dimensions.
Answer: A

4. Which of the following is a significant cause of failure when using the technology-focused approach to BI Application development?
A. Users often have difficulty understanding new technology.
B. New technology often contains internal flaws and errors that affect the delivered solution.
C. The solution is focused on a single subject area.
D. Developers often focus on just the data.
Answer: D

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