CCNA
Sign in
Sign up
Purchase
Textbook
Practice exams
Support
How it works
Exam catalog
Textbook
Introduction
1. Introduction to networking
2. Administering Ethernet LANs
3. IP connectivity
3.1 Understanding IP addresses
3.2 Calculating networks and hosts
3.3 Routers and IPv4 routing fundamentals
3.4 Static routing
3.5 Static vs. dynamic routing and OSPF fundamentals
3.6 Router redundancy in an Ethernet LAN using First Hop Redundancy Protocols (FHRPs)
3.7 Configuring Cisco Routers
4. Network services
5. IPv6
6. Wireless networking
7. Network management and administering network devices
8. Network security fundamentals
9. Network automation and programmability
Wrapping up
3.1 Understanding IP addresses
