What functionality is provided by Cisco SPAN in a switched network?

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What functionality is provided by Cisco SPAN in a switched network?

It mirrors traffic that passes through a switch port or VLAN to another port for traffic analysis.
It prevents traffic on a LAN from being disrupted by a broadcast storm.
It protects the switched network from receiving BPDUs on ports that should not be receiving them.
It copies traffic that passes through a switch interface and sends the data directly to a syslog or SNMP server for analysis.
It inspects voice protocols to ensure that SIP, SCCP, H.323, and MGCP requests conform to voice standards.
It mitigates MAC address overflow attacks.

Explanation: SPAN is a Cisco technology used by network administrators to monitor suspicious traffic or to capture traffic to be analyzed.