多选题Bridges and switches are Layer 2 devices that provide the same basic functionality but that also have some differences. Which two traits apply to switches only？（）Asupports Layer 2 VLANsBsegment LANsCare faster because forwarding decisions are made on hardwareDtypically have fewer ports because forwarding decisions are made in softwareEflood frames out all ports
多选题
Bridges and switches are Layer 2 devices that provide the same basic functionality but that also have some differences. Which two traits apply to switches only？（）
A
supports Layer 2 VLANs
B
segment LANs
C
are faster because forwarding decisions are made on hardware
D
typically have fewer ports because forwarding decisions are made in software
E
flood frames out all ports
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