Refer to the exhibit.

Which two statements about the topologies shown are correct? (Choose two.)

A.
Design 1 is a looped triangle design.

B.
Design 2 is a looped triangle design.

C.
Design 2 achieves quick convergence using RSTP.

D.
Both designs support stateful services at the aggregation layer.

E.
Design 2 is the most widely deployed in enterprise data centers.