Which two statements correctly describe Spine-Leaf switch topologies? (Choose two.)
A.
Spine-leaf topologies must utilize layer 3 switching for inter-connectivity.
B.
Spine-leaf topologies can utilize layer 2 or layer 3 switching for inter-connectivity.
C.
Oversubscription, if it occurs, is more likely to be found in the spine switches.
D.
Oversubscription, if it occurs, is more likely to be found in the leaf switches.