Chapter Two. Network Models
This chapter covers the following official CCNA Routing and Switching 200-120 exam topics:
► Describe the purpose and basic operation of the protocols in the OSI and TCP/IP models.
► Predict the data flow between two hosts across a network.
► Identify common applications and their impact on the network.
Any complex operation requires a certain degree of structure to be understood. When dealing with millions of individuals all designing and building programs, protocols, and equipment that is intended to network together, the use of a theoretical model as a basis for understanding and interoperability is critical. This chapter reviews the Open Systems Interconnection (OSI) model and compares it to the TCP/IP model. ...
Get Cisco CCNA Routing and Switching 200-120 Exam Cram, Fourth Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
