An engineer is redesigning the infrastructure for a campus environment. The engineer must maximize the use of the links between the core and distribution layers. By which two methods can this usage be maximized? (Choose two.)
A. Design with multiple unequal-cost links between the core and distribution layers.
B. Design the links between the core and distribution layers to use an IGP.
C. Design with multiple equal-cost links between the core and distribution layers.
D. Design the links between the core and distribution layers to use an HSRP.
E. Design the links between the core and distribution layers to use an RPVSTP+.
