CCNA Routing and Switching ICND2 200-105 Official Cert Guide

Trust the best-selling Official Cert Guide series from Cisco Press to help you learn, prepare, and practice for exam success. They are built with the objective of providing assessment, review, and practice to help ensure you are fully prepared for your certification exam.

· Master Cisco CCNA ICND2 200-105 exam topics

· Assess your knowledge with chapter-opening quizzes

· Review key concepts with exam-preparation tasks

This is the eBook edition of CCNA Routing and Switching ICND2 200-105 Official Cert Guide. This eBook does not include the companion CD-ROM with practice exam that comes with the print edition.

CCNA Routing and Switching ICND2 200-105 Official Cert Guide presents you with an organized test-preparation routine through the use of proven series elements and techniques. "Do I Know This Already?" quizzes open each chapter and enable you to decide how much time you need to spend on each section. Exam topic lists make referencing easy. Chapter-ending Exam Preparation Tasks help you drill on key concepts you must know thoroughly.

CCNA Routing and Switching ICND2 200-105 Official Cert Guide from Cisco Press enables you to succeed on the exam the first time and is the only self-study resource approved by Cisco.

Best-selling author and expert instructor Wendell Odom shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills.

This complete study package includes

· A test-preparation routine proven to help you pass the exams

· "Do I Know This Already?" quizzes, which enable you to decide how much time you need to spend on each section

· Chapter-ending and part-ending exercises, which help you drill on key concepts you must know thoroughly

· Troubleshooting sections, which help you master the complex scenarios you will face on the exam

· A final preparation chapter, which guides you through tools and resources to help you craft your review and test-taking strategies

· Study plan suggestions and templates to help you organize and optimize your study time

Well regarded for its level of detail, study plans, assessment features, challenging review questions and exercises, video instruction, and hands-on labs, this official study guide helps you master the concepts and techniques that ensure your exam success.

This official study guide helps you master all the topics on the CCNA ICND2 exam, including

· Ethernet LANs

· IPv4 routing protocols

· Wide area networks

· IPv4 services: ACLs and QoS

· IPv4 routing and troubleshooting

· IPv6

· Network management, SDN, and cloud computing

Auteur

Wendell Odom, CCIE No. 1624 (Emeritus), has been in the networking industry since 1981. He has worked as a network engineer, consultant, systems engineer, instructor, and course developer; he currently works writing and creating certification study tools. This book is his 27th edition of some product for Pearson, and he is the author of all editions of the CCNA R&S and CCENT Cert Guides from Cisco Press. He has written books about topics from networking basics, certification guides throughout the years for CCENT, CCNA R&S, CCNA DC, CCNP ROUTE, CCNP QoS, and CCIE R&S. He helped develop the popular Pearson Network Simulator. He maintains study tools, links to his blogs, and other resources at www.certskills.com.

Contenu

Introduction xxxv

Your Study Plan 2

Part I Ethernet LANs

Chapter 1 Implementing Ethernet Virtual LANs

"Do I Know This Already?" Quiz

Foundation Topics

Virtual LAN Concepts

Creating Multiswitch VLANs Using Trunking

Forwarding Data Between VLANs

VLAN and VLAN Trunking Configuration and Verification

Creating VLANs and Assigning Access VLANs to an Interface

VLAN Trunking Protocol

VLAN Trunking Configuration

Implementing Interfaces Connected to Phones

Chapter Review

Chapter 2 Spanning Tree Protocol Concepts

"Do I Know This Already?" Quiz

Foundation Topics

Spanning Tree Protocol (IEEE 802.1D)

The Need for Spanning Tree

What IEEE 802.1D Spanning Tree Does

How Spanning Tree Works

Influencing and Changing the STP Topology

Rapid STP (IEEE 802.1w) Concepts

Comparing STP and RSTP

RSTP and the Alternate (Root) Port Role

RSTP States and Processes

RSTP and the Backup (Designated) Port Role

RSTP Port Types

Optional STP Features

EtherChannel

PortFast

BPDU Guard

Chapter Review

Chapter 3 Spanning Tree Protocol Implementation

"Do I Know This Already?" Quiz

Foundation Topics

Implementing STP

Setting the STP Mode

Connecting STP Concepts to STP Configuration Options

Verifying STP Operation

Configuring STP Port Costs

Configuring Priority to Influence the Root Election

Implementing Optional STP Features

Configuring PortFast and BPDU Guard

Configuring EtherChannel

Implementing RSTP

Identifying the STP Mode on a Catalyst Switch

RSTP Port Roles

RSTP Port States

RSTP Port Types

Chapter Review

Chapter 4 LAN Troubleshooting

"Do I Know This Already?" Quiz

Foundation Topics

Troubleshooting STP

Determining the Root Switch

Determining the Root Port on Nonroot Switches

Determining the Designated Port on Each LAN Segment

STP Convergence

Troubleshooting Layer 2 EtherChannel

Incorrect Options on the channel-group Command

Configuration Checks Before Adding Interfaces to EtherChannels

Analyzing the Switch Data Plane Forwarding

Predicting STP Impact on MAC Tables

Predicting EtherChannel Impact on MAC Tables

Choosing the VLAN of Incoming Frames

Troubleshooting VLANs and VLAN Trunks

Access VLAN Configuration Incorrect

Access VLANs Undefined or Disabled

Mismatched Trunking Operational States

Mismatched Supported VLAN List on Trunks

Mismatched Native VLAN on a Trunk

Chapter Review

Chapter 5 VLAN Trunking Protocol

"Do I Know This Already?" Quiz

Foundation Topics

VLAN Trunking Protocol (VTP) Concepts

Basic VTP Operation

VTP Version 1 Versus Version 2

VTP Pruning

Summary of VTP Features

VTP Configuration and Verification

Using VTP: Configuring Servers and Clients

Verifying Switches Synchronized Databases

Storing the VTP and Related Configuration

Avoiding Using VTP

VTP Troubleshooting

Determining Why VTP Is Not Synchronizing

Common Rejections When Configuring VTP

Problems When Adding Switches to a Network

Chapter Review

Chapter 6 Miscellaneous LAN Topics

"Do I Know This Already?" Quiz

Foundation Topics

Securing Access with IEEE 802.1x

AAA Authentication

AAA Login Process

TACACS+ and RADIUS Protocols

AAA Configuration Examples

DHCP Snooping

DHCP Snooping Basics

An Example DHCP-based Attack

How DHCP Snooping Works

Summarizing DHCP Snooping Features

Switch Stacking and Chassis Aggregation

Traditional Access Switching Without Stacking

Switch Stacking of Access Layer Switches

Switch Stack Operation as a Single Logical Switch

Cisco FlexStack and FlexStack-Plus

Chassis Aggregation

Chapter Review

Part I Review

Part II IPv4 Routing Protocols

Chapter 7 Understanding OSPF Concepts

"Do I Know This Already?" Quiz

Foundation Topics

Comparing Dynamic Routing Protocol Features

Routing Protocol Functions

Interior and Exterior Routing Protocols

Comparing IGPs

Administrative Distance

OSPF Concepts and Operation

OSPF Overview

Becoming OSPF Neighbors

Exchanging the LSDB Between Neighbors

Calculating the Best Routes with SPF

OSPF Area Design

OSPF Areas

How Areas Reduce SPF Calculation Time

OSPF Area Design Advantages

Chapter Review

Chapter…