300-425 · Question #339
300-425 Question #339: Real Exam Question with Answer & Explanation
The correct answer is C: optimized roaming. Optimized Roaming is a proprietary Cisco feature designed to combat the "sticky client" problem, which is common with older, legacy wireless devices like the described handheld scanners. This feature allows the Cisco Wireless LAN Controller to proactively disassociate a client wh
Question
Options
- Aassisted roaming
- Bfast BSS transition over-the-air
- Coptimized roaming
- Dfast BSS transition over-the-DS
Explanation
Optimized Roaming is a proprietary Cisco feature designed to combat the "sticky client" problem, which is common with older, legacy wireless devices like the described handheld scanners. This feature allows the Cisco Wireless LAN Controller to proactively disassociate a client when its received signal strength (RSSI) or data rate falls below a configurable threshold (in this case, -75 dBm). By forcing the client off the current Access Point (AP), the client device is then compelled to scan and seek out an alternative AP with a better signal, thereby improving the roaming experience and overall network performance.
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