Free CompTIA A+ 220-1101 Practice Question

Which of the following properly describes the basic operating of a layer 2 network switch?

  • Determines if a packet is safe for a network

  • Enables packets to be sent from one network to another

  • Broadcasts packets it receives to all connections

  • Transmits packets it receives to specific connections, based on MAC address.

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CompTIA A+ 220-1101 / 
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