单选题What is the function of the CSMA/CD algorithm in Ethernet technologies?()Adefines how the media is accessedBsupplies a token to determine which host has access to the mediaCdefines the encoding of electrical signals on the wireDdetermines the preamble bits

单选题
What is the function of the CSMA/CD algorithm in Ethernet technologies?()
A

defines how the media is accessed

B

supplies a token to determine which host has access to the media

C

defines the encoding of electrical signals on the wire

D

determines the preamble bits


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