Servers are essential in today's business world because they can centralize security and other resources

To determine whether a file was opened successfully, one can use the ___________ fstream member function

a) ``` close( ) ``` b) ``` overloaded operator <<( ) ``` c) ``` open( ) ``` d)``` eof( ) ``` e)``` flush( ) ```

Many Web sites are created at a width of ____ pixels, which makes them optimized to display on monitors set to a screen resolution of 1024 x 768 and higher.

A. 768 B. 955 C. 1022 D. 1024