What conclusions can be made about this design?

Refer to the exhibit.

A network technician is asked to design a small network with redundancy. The exhibit represents this design, with all hosts configured in the same VLAN.

What conclusions can be made about this design?
A . This design will function as intended.
B . Spanning-tree will need to be used.
C . The router will not accept the addressing scheme.
D . The connection between switches should be a trunk.
E . The router interfaces must be encapsulated with the 802.1Q protocol.

Answer: C