Which two of the following statements are true about a switch? (Choose two)

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Which two of the following statements are true about a switch? (Choose two)
A . It is a repeater.
B . It is a data link layer device.
C . It will forward the frame out all ports when it receives a broadcast from a host.
D . It reads the destination MAC address to forward traffic out the appropriate port.
E . It acts as an amplifier.

Answer: B,D