试题详情
- 多项选择题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
- A,E
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