What Is the Key Design Principle for the Core Layer

question 48

Multiple Choice

What is the key design principle for the core layer when using a classic hierarchical network model?

• A) It is designed first, followed by thedistribution layer and then the access layer.
• B) It controls access to resources for security.
• C) It provides server access in asmall campus.
• D) It should be configured with minimal complexity.

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Definitions:

Contribution Margin

A financial metric that represents the difference between a company's sales revenue and variable costs, used to cover fixed costs and profits.

Fixed Costs

Costs that do not fluctuate with the level of production or sales within a certain range, such as rent, salaries, and insurance premiums.

Variable Cost Per Unit

The cost associated with producing one additional unit of product or service, which varies depending on the level of production or service delivery.

Selling Price Per Unit

The amount at which a single unit of product is offered for sale to customers.