This is 4 hour chapter. This chapter will teach you network protocols and standards, interface and service, 7 layer of OSI model and its importance. TCP/Ip protocol suite and different networking hardware like NIC, Hub, router, repeater.
2.1. Protocols and Standards
2.2. Interfaces and Services
2.3. OSI Layers
2.4. TCP/IP layers
2.5. Comparison of OSI & TCP/IP
2.6. Networking hardware: NIC, Hub, Repeater, Switches, Bridge, Router