Summary

Routing Protocols and Concepts CCNA Exploration Companion Guide Routing Protocols and Concepts, CCNA Exploration Companion Guide is the official supplemental textbook for the Routing Protocols and Concepts course in the Cisco Networking Academyreg; CCNAreg; Exploration curriculum version 4. This course describes the architecture, components, and operation of routers, and explains the principles of routing and the primary routing protocols. The Companion Guide, written and edited by Networking Academy instructors, is designed as a portable desk reference to use anytime, anywhere. The bookrs"s features reinforce the material in the course to help you focus on important concepts and organize your study time for exams. New and improved features help you study and succeed in this course: Chapter objectives-Review core concepts by answering the focus questions listed at the beginning of each chapter. Key terms-Refer to the updated lists of networking vocabulary introduced and turn to the highlighted terms in context in each chapter. Glossary-Consult the comprehensive glossary with more than 150 terms. Check Your Understanding questions and answer key-Evaluate your readiness with the updated end-of-chapter questions that match the style of questions you see on the online course quizzes. The answer key explains each answer. Challenge questions and activities-Strive to ace more challenging review questions and activities designed to prepare you for the complex styles of questions you might see on the CCNA exam. The answer key explains each answer. Rick Graziani has been a computer science and networking instructor at Cabrillo College since 1994. Allan Johnson works full time developing curriculum for Cisco Networking Academy. Allan also is a part-time instructor at Del Mar College in Corpus Christi, Texas. How To-Look for this icon to study the steps you need to learn to perform certain tasks. Packet Tracer Activities- Explore networking concepts in activities interspersed throughout some chapters using Packet Tracer v4.1 developed by Ciscoreg;. The files for these activities are on the accompanying CD-ROM. Also available for the Routing Protocols and Concepts Course: Routing Protocols and Concepts CCNA Exploration Labs and Study Guide ISBN-10: 1-58713-204-4 ISBN-13: 978-1-58713-204-9 Companion CD-ROM The CD-ROM provides many useful tools and information to support your education: Packet Tracer Activity exercise files v4.1 A Guide to Using a Networkerrs"s Journal booklet Taking Notes: a .txt file of the chapter objectives More IT Career Information Tips on Lifelong Learning in Networking This book is part of the Cisco Networking Academy Series from Cisco Pressreg;. The products in this series support and complement the Cisco Networking Academy online curriculum.

Introduction
Introduction to Routing and Packet Forwarding Objectives Key Terms Inside the Router
Routers Are Computers
Routers Are at the Network Center
Routers Determine the Best Path
Router CPU and Memory
CPU
RAM
ROM
Flash Memory
NVRAM
Internetwork Operating System (IOS)
Router Bootup Process
Bootup Process
Command-Line Interface
Verifying Router Bootup Process
IOS Version
ROM Bootstrap Program
Location of IOS
CPU and Amount of RAM
Interfaces
Amount of NVRAM
Amount of Flash
Configuration Register
Router Ports and Interfaces
Management Ports
Router Interfaces
Interfaces Belong to Different Networks
Example of Router Interfaces
Routers and the Network Layer
Routing Is Forwarding Packets
Routers Operate at Layers 1, 2, and 3
CLI Configuration and Addressing
Implementing Basic Addressing Schemes
Populating an Address Table
Basic Router Configuration
Host Name and Passwords
Configuring a Banner
Router Interface Configuration
Each Interface Belongs to a Different Network
Verifying Basic Router Configuration
Building the Routing Table
Introducing the Routing Table
Show ip route Command
Directly Connected Networks
Static Routing
When to Use Static Routes
Dynamic Routing
Automatic Network Discovery
Maintaining Routing Tables
IP Routing Protocols
Routing Table Principles
Asymmetric Routing
Path Determination and Switching Functions
Packet Fields and Frame Fields
Internet Protocol (IP) Packet Format
MAC Layer Frame Format
Best Path and Metrics
Best Path
Comparing Hop Count and Bandwidth Metrics
Equal-Cost Load Balancing
Equal-Cost Paths Versus Unequal-Cost Paths
Path Determination
Switching Function
Path Determination and Switching Function Details
Path Determination and Switching Function Summary
Summary
Labs
Check Your Understanding
Challenge Questions and Activities
To Learn More
End Notes
Static Routing Objectives
Key Terms
Routers and the Network
Role of the Router
Introducing the Topology
Examining the Connections of the Router
Router Connections
Serial Connectors
Ethernet Connectors
Router Configuration Review
Examining Router Interfaces
Interfaces and Their Statuses
Additional Commands for Examining Interface Status
Configuring an Ethernet Interface
Configuring an Ethernet Interface
Unsolicited Messages from IOS
Reading the Routing Table
Routers Usually Store Network Addresses
Verifying Ethernet Addresses
Commands to Verify Interface Configuration
Ethernet Interfaces Participate in ARP
Configuring a Serial Interface
Examining Serial Interfaces
Physically Connecting a WAN Interface
Configuring Serial Links in a Lab Environment
Verifying the Serial Interface Configuration
Exploring Directly Connected Networks
Verifying Changes to the Routing Table
Routing Table Concepts
Observing Routes as They Are Added to the Routing Table
Changing an IP Address
Devices on Directly Connected Networks
Accessing Devices on Directly Connected Networks
Pings from R2 to 172.16.3.1
Pings from R2 to 192.168.1.1
Cisco Discovery Protocol (CDP)
Network Discovery with CDP
Layer 3 Neighbors
Layer 2 Neighbors
CDP Operation
Using CDP for Netw
Table of Contents provided by Publisher. All Rights Reserved.

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