Two files can have the same name as long as they are not in the same folder

A(n) __________ hides the internal network's IP address and presents a single IP address to the outside world

a. Firewall b. Proxy server c. Intrusion detection system d. Network Monitor

What will be returned from the following method?

``` public static double methodA() { double a = 8.5 + 9.5; return a; } ``` a. 18.0 b. 18 c. 8 d. 19