Refer to the exhibit.
A network administrator has two distribution layer switches and four access layer switches. The administrator is
constantly resolving spanning tree problems and is looking for an alternative solution that provides redundancy
and no spanning tree.
Which solution meets these requirements?

A.
Comware switches with auto-links

B.
ProVision switches with Intelligent Resilient Framework (IRF)

C.
Provision switches with routing

D.
Comware switches with distributed trunking