Which of the Following Are Disadvantages of a Ring Topology

Multiple Choice

Which of the following are disadvantages of a Ring Topology?

A) Ring topology is the least scalable of all the topologies.
B) If the hub fails, the entire network could go down.
C) If one computer fails or one cable link is down, the entire topology could go down.
D) The signal degeneration is very high, resulting in need for repeaters.