ETHICAL HACKING Questions and Answers

Explain what is DOS (Denial of service) attack? What are the common forms of DOS attack?

Denial of Service, is a malicious attack on network that is done by flooding the network with useless traffic.  Although, DOS does not cause any theft of information or security breach, it can cost the website owner a great deal of money and time.
Buffer Overflow Attacks
SYN Attack
Teardrop Attack
Smurf Attack