Penetration testing (also called pen testing) is the practice of testing a computer system, network, or Web application

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Penetration testing (also called pen testing) is the practice of testing a computer system, network, or Web application to findvulnerabilities 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. Social engineering
B. File and directory permissions
C. Buffer overflows
D. Kernel flaws E. Race conditions F. Information system architectures G. Trojan horses