From the Book - Third edition.
Part 1 : Network basics: What is a network? ; The OSI reference model --
Part 2. Network hardware: Network interface adapters ; Network interface adapters and connection devices ; Cabling a network ; Wireless LANs ; Wide area networks ; Server technologies ; Designing a network --
Part 3. Network protocols: Ethernet basics ; 100Base Ethernet and Gigabit Ethernet ; Networking protocols --
Part 4. Network systems: TCP/IP ; Other TCP/IP protocols ; The domain name system ; Internet services --
Part 5. Network operating services. Windows ; Active directory ; Linux ; Unix ; Other Network operating systems and networking in the cloud --
Part 6. Network services. Network clients ; Network security basics ; Wireless security ; Overview of network administration --
Network management and troubleshooting tools ; Backing up.