For What Two Purposes Does the Ethernet Protocol Use Physical

question 388

Multiple Choice

For what two purposes does the Ethernet protocol use physical addresses?

• A) to uniquely identify devices at Layer 2
• B) to allow communication with devices on a different network
• C) to differentiate a Layer 2 frame from a Layer 3 packet
• D) to establish a priority system to determine which device gets to transmit first
• E) to allow communication between different devices on the same network
• F) to allow detection of a remote device when its physical address is unknown

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Definitions:

Density

A measure of how much mass is contained in a given unit volume of a substance.

Volume

The size of the space covered by an object or a substance.

Density

A physical property that denotes the mass of a substance per unit volume.

Volume

The space occupied by an object or substance, or encased within a holding device.