What is the purpose of Mesh Clusters?

A.
To separate Mesh points from Mesh Portals.

B.
To ensure that mesh APs with the same VAPs are not in the same cluster.

C.
To define a group of mesh APs that create mesh links with each other.

D.
To cluster mesh APs of the same model together.

E.
To enable mesh APs to join the nearest mesh portal cluster.