GAQM Updated CEH-001 Exam Questions and Answers by reyan

The Ethical hacker is a security professional who applies his hacking skills for defensive purposes.

The ethical hacker uses the same techniques and skills as a cracker and the motive is to find the security breaches before a cracker does. There is nothing that says that a cracker does not get paid for the work he does, a ethical hacker has the owners authorization and will get paid even if he does not succeed to penetrate the target.

Microsoft encapsulates netbios information within TCP/Ip using ports 135-139.It is trivial for an attacker to issue the following command:

nbtstat -A (your Ip address)

From their windows machine and collect information about your windows machine (if you are not blocking traffic to port 137 at your borders).

SNMP lets you "read" information from a device. You make a query of the server (generally known as the "agent"). The agent gathers the information from the host system and returns the answer to your SNMP client. It's like having a single interface for all your informative Unix commands. Output like system.sysContact.0 is called a MIB.