Chapter 1
Internetworking
The CCNA exam topics covered in this chapter include the following:
- Describe how a network works>
- Describe the purpose and functions of various network devices
- Select the components required to meet a network specification
- Use the OSI and TCP/IP models and their associated protocols to explain how data flows in a network
- Describe common networked applications including web applications
- Describe the purpose and basic operation of the protocols in the OSI and TCP models
- Describe the impact of applications (Voice over IP and Video over IP) on a network
- Interpret network diagrams
- Describe the components required for network and Internet communications
- Identify and correct common network problems at layers 1, 2, 3, and ...