Which Layer in a ZigBee Device Is Responsible for Detecting

question 33

Multiple Choice

Which layer in a ZigBee device is responsible for detecting the presence of an RF signal in the currently selected channel?

• A) LLC
• B) PHY
• C) MAC
• D) Upper

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Definitions:

Fixed Costs

Expenses that do not change with the volume of production or sales, such as rent, salaries, and insurance premiums.

Absorption Costing

A costing method that includes all manufacturing costs, both fixed and variable, in the cost of a product.

Variable Costing

An accounting method that includes only variable production costs (costs that change with the level of output) in the cost of goods sold, highlighting the impact of production volume on profitability.

Variable Costing

An accounting method that includes only variable costs—costs that change with production levels—in the cost of production.