Penetration testing (also called pen testing) is the practice of testing a computer system,
network, or Web application to find vulnerabilities that an attacker could exploit. Which of
the following areas can be exploited in a penetration test? Each correct answer represents a
complete solution. Choose all that apply.

A.
Buffer overflows

B.
Trojan horses

C.
Information system architectures

D.
Kernel flaws

E.
File and directory permissions

F.
Social engineering

G.
Race conditions