What Are the Four Layers of the TCP/IP Reference Model

question 78

Multiple Choice

What are the four layers of the TCP/IP reference model?

• A) physical, application, transport, and network interface
• B) physical, application, Internet, and network interface
• C) application, transport, Internet, and network interface
• D) application, hardware, Internet, and network interface

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Definitions:

Degree of Operating Leverage

A financial metric that measures how a change in sales volume will affect a company's operating income due to fixed and variable costs.

Fixed Costs

Expenses that do not change with varying levels of production or sales, such as rent or salaries.

Depreciation Expense

A measure of the reduction in value of an asset over a given period, used for accounting and tax purposes.

Managerial Options

Options given to executives and managers as part of their compensation package, allowing them to purchase company stock in the future at a price set today.