This Chapter helps you prepare for the EC-Council Certified Ethical Hacker (CEH) Exam by covering the following EC Council objectives:
Understand the Open Systems Interconnect (OSI) Model
OSI is important as it is the basis for describing and explaining how many network services and attacks work.
Have a basic knowledge of the Transmission Control Protocol/Internet Protocol (TCP/IP) and their functionality
Many attacks are based on the misuse of the protocols that are part of the TCP/IP suite ...