Ethernet Standards Are Specified at the ________ Layer

question 88

Multiple Choice

Ethernet standards are specified at the ________ layer.

• A) physical
• B) data link
• C) both A and B
• D) neither A nor B

---

Definitions:

Gingivitis

A common and mild form of gum disease (periodontal disease) that causes irritation, redness, and swelling (inflammation) of your gingiva, the part of your gum around the base of your teeth.

Periodontitis

A serious gum infection that damages the soft tissue and destroys the bone supporting teeth, potentially leading to tooth loss.

Mucosa

A moist, inner lining of some organs and body cavities, such as the nose, mouth, lungs, and stomach.

Submucosa

A layer of dense irregular connective tissue or fibrous connective tissue that lies beneath a mucous membrane and supports it, often containing glands, blood vessels, and nerves.