WhataretwoadvantagesofLayer2Ethernetswitchesoverhubs?()

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A.decreasingthenumberofcollisiondomains

B.filteringframesbasedonMACaddresses

C.allowingsimultaneousframetransmissions

D.increasingthesizeofbroadcastdomains

E.increasingthemaximumlengthofUTPcablingbetweendevices

参考答案:

参考B, C

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