What is the output of the following program? #include using namespace std; void dosomething(int& ; int main( { int x = 2; cout < < x < < endl; dosomething(x; cout < < x < < endl; return 0; } void dosomething(int& num { num = 0; cout < < num < < endl; }?

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?