Even simple residential firewalls can be used to create a logical screened subnetwork (often called a ____) that can provide Web services.

Which statement about insertion sort is true?

a. A maximum of n comparisons are needed to sort the array, where n is the number of elements. b. The algorithm is simple compared to other sorting procedures. c. No temporary variables are needed. d. Performance is maximized.

In an output statement, each occurrence of endl advances the cursor to the end of the current line on an output device.

Answer the following statement true (T) or false (F)