Why would a distributed and edge computing model be the right choice?

A private security company is going to apply cloud solutions to their video surveillance cameras to imroves their effciencecy and answer times against instrusions.

Why would a distributed and edge computing model be the right choice?
A . Low pricing of this model against traditional one
B. Low latency that this model provides to the applications
C. High bandwidth that is required to support the edge computing model
D. High defination data that this model is capable to support

Answer: B