In C++, a function prototype is the function heading without the body of the function.

An external contractor, who has not been given information about the software or network architecture, is conducting a penetration test. Which of the followingBEST describes the test being performed?

A. Black box B. White box C. Passive reconnaissance D. Vulnerability scan

DES exhibits the classic __________ block cipher structure, which consists of a number of identical rounds of processing.

A) ?Feistel B) ?SAC ? C) ?Shannon ? D) ?Rendell