The ________ SmartArt layout type illustrates existing connections

When two wireless devices connect to each other directly, they create a(n) ________

A) firewall B) infrastructure wireless network C) optical network terminal D) ad hoc network

What is wrong with this code?

``` int ConvertFtToInches( int ft ) { int inches; inches = ft * 12; }``` A. The function name is invalid. B. You can’t have the variable name in the input argument list. C. There is no returned value. D. It will return the wrong value.