A MAC Address Is Composed of Two 24-Bit Numbers

question 48

Multiple Choice

A MAC address is composed of two 24-bit numbers. What does the first 24-bit number represent?

• A) A unique serial number assigned by the manufacturer.
• B) The address it uses for a multicast packet.
• C) The decryption key used for security purposes.
• D) The organizationally unique identifier.

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Definitions:

Parasympathetic Effects

Physiological actions resulting from the activation of the parasympathetic nervous system, including a decrease in heart rate and the promotion of digestion.

ANS

Autonomic Nervous System, a part of the nervous system that controls involuntary bodily functions, such as heart rate, digestion, and respiratory rate.

Sympathetic Division

Part of the autonomic nervous system that prepares the body for 'fight or flight' responses, increasing heart rate and blood pressure among other effects.

Energy-Expending Situations

describe scenarios that require the body to use stored energy to maintain homeostasis, such as exercise or stress responses.