In spanning tree, what is a BPDU?
A. A break protocol data unit
B. A routable frame
C. A bridge protocol data unit
D. A frame sent out by end stations
Answer:C
In spanning tree, what is a BPDU?
A. A break protocol data unit
 B. A routable frame
 C. A bridge protocol data unit
 D. A frame sent out by end stations
