John is using a special tool on his Linux platform that has a signature database and is therefore
able to detect hundred of vulnerabilities in UNIX, Windows, and commonly-used web CGI scripts.
Additionally, the database detects DDoS zombies and Trojans. What would be the name of this
multifunctional tool?

A.
nmap

B.
hping

C.
nessus

D.
make

Explanation:
Nessus is the world’s most popular vulnerability scanner,estimated to be used by over 75,000
organizations world-wide. Nmap is mostly used for scanning,not for detecting vulnerabilities. Hping
is a free packet generator and analyzer for the TCP/IP protocol and make is used to automatically
build large applications on the *nix plattform.