What Layer Number Is the Physical Layer

question 17

Multiple Choice

What layer number is the physical layer?

• A)1
• B)2
• C)3
• D)none of the above

---

Definitions:

NREM Sleep

A state of sleep characterized by non-rapid eye movements, playing a major role in physical and mental restoration.

REM Sleep

A phase of sleep characterized by rapid eye movements, heightened brain activity, and dreaming, considered crucial for emotional regulation and memory consolidation.

Amphetamines

Stimulants derived from alpha-methyl-beta phenylethylamine, a colorless liquid consisting of carbon, hydrogen, and nitrogen.

Euphoric Rush

A profound feeling of intense happiness or exhilaration.