Wireless Mesh Network is a new type of dynamic self-organizing and self-configuring wireless network. The nodes in the network can automatically establish and maintain Mesh connectivity. The nodes…

Question

Options

• AAutomatic route discovery
• BAutomatic Topology
• CData message forwarding
• DPortal function

• B
  5% (1)
• C
  10% (2)
• D
  85% (17)

Explanation

MPP (Mesh Portal Point) nodes function as gateways between the internal mesh and external networks - and only they possess the Portal function (D), which bridges mesh traffic out to wired LANs, the internet, or other external infrastructures. This is literally encoded in the name: "Portal Point" = the entry/exit point for the entire mesh domain.

Why the distractors are wrong:

• A (Automatic route discovery) and B (Automatic Topology) are general mesh-wide capabilities performed by all mesh nodes (MPs), not a feature unique to MPP - every node participates in self-organizing topology and path discovery.
• C (Data message forwarding) is also performed by regular MP nodes for intra-mesh traffic; it does not specifically enable communication with external networks, which is the key requirement in the question.

Memory tip: Think of MPP = Mesh Portal Point - the word "Portal" tells you its job is to be the doorway out of the mesh. If a question asks about connecting mesh internals to external networks, always look for the answer that says "portal."

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