What allows a switch to make duplicate copies of traffic passing through it and then send it out a port with a network monitor attached?
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What is port mirroring on a switch?Port mirroring is used on a network switch to send a copy of network packets seen on one switch port (or an entire VLAN) to a network monitoring connection on another switch port.
What device transfers traffic to another network?Router. Routers help transmit packets to their destinations by charting a path through the sea of interconnected networking devices using different network topologies. Routers are intelligent devices, and they store information about the networks they're connected to.
How does a switch save traffic on a network?Switches typically connect LAN segments, so hubs attach to them. Switches filter out traffic destined for devices on the same LAN segment. Because of this capability, switches make more efficient use of their own processing resources, as well as network bandwidth.
What does a switch use to make data forwarding decisions?Switches make traffic forwarding decisions based on the 48-bit media access control (MAC) addresses used in LAN standards, including Ethernet.
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