CCBA Question #30: Real Exam Question with Answer & Explanation

Question

Options

• AModels abstract and simplify reality.
• BModels restrict the effect, risk, cost, and schedule of the solution.
• CModels define the solution in time, cost, space, and logistics.
• DModels show the complete solution in a non-functional slice of the organization.

Explanation

The statement that best describes the reason to use a model is models abstract and simplify reality. This is the main purpose of modeling, which is a technique for creating a representation of a system or a domain using symbols, diagrams, or other forms of notation12. Modeling helps to understand and communicate the complex and dynamic aspects of the system or the domain, and to analyze and validate the requirements. The other options are not statements that describe the reason to use a model, but rather statements that describe the characteristics or benefits of some models, such as B, which states that models restrict the effect, risk, cost, and schedule of the solution, C, which states that models define the solution in time, cost, space, and logistics, or D, which states that models show the complete solution in a non-functional slice of the

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