Why is STP required when VLANs span access layer switches?
A.
to ensure a loop-free topology
B.
to protect against user-side loops
C.
in order to support business applications
D.
because of the risk of lost connectivity without STP
E.
for the most deterministic and highly available network topology
Explanation:
B.
to protect against user-side loops
B.
to protect against user-side loops
C.