IBM Cognos 8 BI COG-180 Exam

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Exam : IBM COG-180
Title : IBM Cognos 8 BI Professional


1. Which of the following statements is true about the Waterfall Approach?
A. The five steps in the process are considered valid for BI software development projects.
B. Each step is performed in sequence but you return to previous steps at specific points in the development cycle.
C. It is designed so that requirements that are not discovered in the Analysis step will cascade out during the design phase.
D. Project management tools no longer encourage the Waterfall Approach.
Answer: A

2. 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

3. Which of the following MOST clearly states the value of using a methodology?
A. It provides a philosophy of development that maximizes return on investment.
B. It helps consultants progress in a systematic way to insure all critical steps are addressed.
C. It helps project managers estimate the cost and effort in developing a solution.
D. It ensures that early mistakes are avoided in developing a solution.
Answer: B

4. Which of the following BEST describes the relationship or differences between Iterative Approach and Cognos SIM?
A. The Iterative Approach is a specific technique used to iterate through the Design phase.
B. The Iterative Approach is a series of steps defined in the Analysis and Development phases of Cognos SIM.
C. The Iterative Approach is a philosophy of development while Cognos SIM is a collection of tasks, documents, and techniques to guide development.
D. Cognos SIM is the current Cognos development standard and is intended to replace the Iterative Approach for development of BI applications.
Answer: C

5. Which of the following statements best describes the Iterative Approach of application development?
A. A prototype solution is developed after the initial user interviews. This prototype is then used as a basis for refining specific design requirements.
B. The design step is repeated multiple times before proceeding to the development step. Each pass through the design step further refines the eventual solution.
C. The solution is developed and delivered to the users. After approximately 2 weeks, the users are interviewed for any missing requirements and any new requirements form the basis for the next iteration.
D. A prototype is created that addresses 80 to 90% of the business requirements. This is demonstrated to the users and their feedback is used to refine the prototype in subsequent iterations.
Answer: D

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