Roaming technologyis typically used on alarge WLANto ensure thatSTA (station) servicesare not interrupted when STAs move between coverage areas of different APs.
Wireless LAN (WLAN) roamingallows mobile devices (STAs) to moveseamlessly between different APswithoutdropping connections.
Types of WLAN Roaming:
Layer 2 roaming→ STAs move between APs in thesame subnetwithout IP address changes.
Layer 3 roaming→ STAs move acrossdifferent subnets, requiringIP address reconfiguration(handled via DHCP or tunneling).
Since roamingprevents service interruptionin large WLAN deployments, the statement istrue.
????Reference:Huawei HCIA-Datacom Study Guide, WLAN Roaming and Seamless Connectivity.
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