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With regard to bridges and switches, which of the following statements are true?（）

A、Switches are primarily software based while bridges are hardware based.

B、Both bridges and switches forward Layer 2 broadcasts.

C、Bridges are frequently faster than switches.

D、Switches typically have a higher number of ports than bridges.

E、Bridges define broadcast domain while switches define collision domains.

F、Both bridges and switches make forwarding decisions based on Layer 2 addresses.

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