​Which of the Following Is NOT Part of a Multilayer

question 66

Multiple Choice

​Which of the following is NOT part of a multilayer object-oriented design (OOD) ?

• A)Database access
• B)​Problem domain object
• C)User input form
• D)​Functional module

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Definitions:

Operating Leverage

A measure of how revenue growth translates into growth in operating income, influenced by the proportion of fixed costs to variable costs.

Variable Costs

Expenses that vary in direct relation to the amount of output or sales.

Fixed Costs

Expenses that do not change with the level of output or sales, such as rent, salaries, and insurance, remaining constant regardless of business activity levels.

Margin of Safety

The difference between actual or anticipated sales and the sales level at the break-even point, measured to assess the risk of not covering fixed costs.