试题详情
- 多项选择题As a frame leaves a Layer 3 device, the Layer 2 encapsulation information is changed from what it was when it entered the device. For what two reasons can this happen?（）
A、The data is moving from 10BASE-TX to 100BASE-TX.
B、The WAN encapsulation type has changed.
C、The data format has changed from analog to digital.
D、The source and destination hosts are in the same subnet.
E、The source and destination MAC addresses have changed.
- B,E
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