What Layer Number Is the Physical Layer

question 52

Multiple Choice

What layer number is the physical layer?

• A)1
• B)2
• C)3
• D)4

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Definitions:

Payback Period

The amount of time required for an investment to generate cash flows to recover its initial cost.

Fixed Costs

Fixed costs are business expenses that remain constant regardless of the level of production or sales activity, such as rent, salaries, and insurance.

Operating Cash Flow

The cash a company generates from its normal business operations, excluding financing and investing activities.

Fixed Costs

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance premiums.