If roaming is implemented between two APs, the same security policy, forwarding mode and the same () must be met.

Question

Options

• ASSID
• BVLAN
• Cradio
• Dchannel

• A
  83% (57)
• B
  4% (3)
• C
  10% (7)
• D
  3% (2)

Explanation

Roaming requires the same SSID because the client device uses the network name to identify it's still on the same logical wireless network - without a matching SSID, the client would treat the second AP as a completely different network and drop the connection rather than seamlessly transitioning.

Why the distractors are wrong:

• B (VLAN): VLANs are a Layer 2 segmentation concern that can differ between APs in many roaming architectures; they don't directly govern whether a client can roam.
• C (Radio): Clients can roam between APs on different radio bands (2.4 GHz vs. 5 GHz) as long as the SSID matches - band difference is not a roaming blocker.
• D (Channel): APs in the same deployment intentionally use different channels to minimize co-channel interference; roaming is designed to work across different channels.

Memory tip: Think of the SSID as the "network passport" - the client only roams seamlessly if both APs are stamping the same passport name. Security policy and forwarding mode govern how traffic is handled, but the SSID is what tells the client it's still home.

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