IP spoofing is a form of masquerading to gain unauthorized access to a Web server.

In order to operate properly, technical and behavioral controls have to be coordinated from within a single consistent ____.

A. foundation B. landscape C. resource D. framework

Show the output of the following program:

``` #include using namespace std; void f(int n) { if (n > 0) { cout << n % 10; f(n / 10); } } int main() { f(1234567); return 0; ```