Which of the following statements about Mesh networks is wrong?

Question

Options

• AProtocol with IEEE802.11m as the reference standard
• BIt can not only provide user access functions, but also forward wireless link signals
• CMultiple APs form a mesh structure
• DThe signal is routed from one AP to another in the network, and finally transmitted to the wired

• A
  81% (42)
• B
  6% (3)
• C
  10% (5)
• D
  4% (2)

Explanation

Option A is wrong because the IEEE standard for wireless mesh networking is 802.11s (not 802.11m); 802.11m is a maintenance amendment to the base 802.11 specification and has nothing to do with mesh topology. Options B, C, and D are all accurate descriptions of mesh networks: mesh APs do serve dual roles as both client access points and wireless relay nodes (B); a mesh network is by definition multiple APs interconnected in a mesh topology (C); and data does hop between APs until it reaches a gateway connected to the wired backbone (D).

Memory tip: Link the "s" in 802.11s to "self-healing" or "spread" - two hallmarks of mesh behavior - so you never confuse it with 802.11m (maintenance).

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