CCNA CyberOps (SECFND) Exam Cram Notes

Chapter 1: Network Concept
Network Models
TCP/IP and OSI Model
It is a conceptual model and set of communication protocols utilized on the Internet and similar computer networks. OSI standardizes the communication functions of a telecommunication or computing system. TCP/IP OSI
7.Application Layer
4.Application Layer
6.Presentation Layer
5.Session Layer
4.Transport Layer
3.Transport Layer
3.Network Layer
2.Internet Layer
2.Data Link Layer
1.Network Access Layer
1.Physical Layer
Protocols
IP
IP is a primary network layer (layer 3) protocol, and it has two versions:
 IPV4
 IPV6