CCNA: Cisco Certified Network Associate Study Guide
Chapter One
Internetworking
THE CCNA EXAM TOPICS COVERED IN THIS
CHAPTER INCLUDE THE FOLLOWING:
TECHNOLOGY
* Describe network communications using layered models
* Compare and contrast key characteristics of LAN
environments
* Describe the components of network devices
* Evaluate rules for packet control
Welcome to the exciting world of internetworking. This first
chapter will really help you understand the basics of internetworking
by focusing on how to connect networks together using
Cisco routers and switches. First, you need to know exactly what an internetwork is, right? You
create an internetwork when you take two or more LANs or WANs and connect them via a
router, and configure a logical network addressing scheme with a protocol such as IP.
I'll be covering these four topics in this chapter:
* Internetworking basics
* Network segmentation
* How bridges, switches, and routers are used to physically segment a network
* How routers are employed to create an internetwork
I'm also going to dissect the Open Systems Interconnection (OSI) ... read full excerpt from: CCNA: Cisco Certified Network Associate Study Guide: Exam 640-801 ebook