Which device makes the decision for a wireless client to roam?

Question

Options

• Awireless client
• Bwireless LAN controller
• Caccess point
• DWCS location server

• A
  87% (54)
• B
  3% (2)
• C
  2% (1)
• D
  8% (5)

Explanation

Wireless Roaming Decision

In 802.11 wireless networking, the wireless client itself decides when to roam to a new access point. The client continuously monitors signal strength (RSSI) and signal quality, and when thresholds drop below acceptable levels, it independently initiates the roaming process by scanning for and associating with a better AP - no external device triggers this decision.

Why the distractors are wrong:

• B (WLC): While a Wireless LAN Controller manages and coordinates APs in a centralized architecture, it does not initiate or decide roaming for clients - it facilitates a seamless transition once the client has already decided to roam.
• C (Access Point): APs passively accept or reject associations but do not tell clients when to leave or where to go.
• D (WCS Location Server): This is a network management/location-tracking tool (Cisco Wireless Control System) and plays no role in roaming decisions.

Memory Tip: Think of roaming like changing seats on a bus - you decide when to move, not the bus driver (AP) or the transportation authority (WLC). The client is always in control of its own roaming decision.

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