In an Ethernet network, under what two scenarios can devices transmit?() A. when they receive a special tokenB. when there is a carrierC. when they detect no other devices are sendingD. when the medium is idleE. when the server grants access

In an Ethernet network, under what two scenarios can devices transmit?()

A. when they receive a special token

B. when there is a carrier

C. when they detect no other devices are sending

D. when the medium is idle

E. when the server grants access


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