Please help me with this

Who invented the tv .hint it was 2 people

What is one of the main problems that can occur when implementing a large number of new systems within an organization?

You will subnet the network address 172.31.103.0/24. the network has the following requirements: · room-114 lan will require 27 host ip addresses · room-279 lan will require 25 host ip addresses · room-312 lan will require 14 host ip addresses · room-407 lan will require 8 host ip addresses how many subnets are needed in the network topology?