On what basis are world wide node names assigned?（）

A.resources and Logical objects
B.operation of servers and compute nodes
C.UCS server blade service profiles
D.Iogical objects and compute nodes

A.used for either a single or dual UCS catastrophic failure
B.can be restored with no special requirements
C.stored as gzipped tarball
D.easy to modify as needed

A.associated with a pool of blades
B.represents a group of physical blades
C.stores connectivity requirements