Which three statements are correct about the IEEE 802.3af Power over Ethernet standard?

Which three statements are correct about the IEEE 802.3af Power over Ethernet standard? (Choose three.)

Which three statements are correct about the IEEE 802.3af Power over Ethernet standard? (Choose three.)

A.
It defines a port that acts as a power source to be a PSE.

B.
It defines a powered device to be a PDE.

C.
It defines how a powered device is detected.

D.
It defines three methods of delivering Power over Ethernet to the discovered powered device.

E.
It describes five power classes to which a device may belong.

F.
It defines power class 0 as being reserved for future use.



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