Which of the following is an appropriate characteristic of a distributed processing
system, in comparison with a centralized processing system?
a) The partial failure of a system often leads to a shutdown of the entire system.
b) It is difficult to expand the system in line with the expansion of functions or the
increase in the volume of work.
c) It is easy to protect data and ensure security.
d) From a viewpoint of operations management, it often becomes complex to operate
the entire system efficiently.