Refer to the exhibit. An engineer must forward all web traffic sent from Client-SiteA to the monitoring server to build a baseline of expected traffic once a new Cisco Secure Web Appliance is…

ERSPAN (Encapsulated Remote SPAN) is used to mirror traffic from source ports on one switch to a destination port on another switch, which is not required for local monitoring on the same switch.

RSPAN (Remote SPAN) allows monitoring of source ports on multiple switches and sending the mirrored traffic to a destination port on another switch within the same network, requiring a dedicated RSPAN VLAN, which is more complex than needed for local monitoring.

WCCP (Web Cache Communication Protocol) is used to redirect traffic to web caches or other service devices, not for passive monitoring of traffic.

SPAN (Switched Port Analyzer) allows a network administrator to mirror traffic from one or more switch ports or VLANs to a dedicated monitoring port on the same switch, making it suitable for local traffic analysis without modifying the traffic flow.