CCNA Module 1: Introduction to Networks

• Describe the devices and services used to support communications in data networks and the Internet
• Describe the role of protocol layers in data networks
• Describe the importance of schemes at various layers of data networks in IPv4 and IPv6 environments
• Design, calculate, and apply subnet masks and Addresses to fulfill given requirements in IPv4 and IPv6 network
• Build a simple  network using routers and switches
• Use Cisco command-line interface (CLI) commands to perform basic router and switch configurations

Course Introduction: http://www.cisco.edu.mn/CCNA_R&S_1_(Intruduction%20To%20Networking)/course/module0/index.html#0.0.1.1
Chapter 1: Exploring the Network: http://www.cisco.edu.mn/CCNA_R&S_1_(Intruduction%20To%20Networking)/course/module1/index.html#1.0.1.1