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

发布日期:2020-04-11

For what two purposes does the Ethernet protocol u...
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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