Leading Cisco authority Todd Lammle helps you gain insights into the new core Cisco network technologies
Understanding Cisco Networking Technologies is an important resource for those preparing for the new Cisco Certified Network Associate (CCNA) certification exam as well as IT professionals looking to understand Cisco’s latest networking products, services, and technologies. Written by bestselling author and internationally recognized Cisco expert Todd Lammle, this in-depth guide provides the fundamental knowledge required to implement and administer a broad range of modern networking and IT infrastructure.
Cisco is the worldwide leader in network technologies―80% of the routers on the Internet are Cisco. This authoritative book provides you with a solid foundation in Cisco networking, enabling you to apply your technical knowledge to real-world tasks. Clear and accurate chapters cover topics including routers, switches, controllers and other network components, physical interface and cabling, IPv6 addressing, discovery protocols, wireless infrastructure, security features and encryption protocols, controller-based and software-defined architectures, and more. After reading this essential guide, you will understand:
• Network fundamentals
• Network access
• IP connectivity and IP services
• Security fundamentals
• Automation and programmability
Understanding Cisco Networking Technologies is a must-read for anyone preparing for the new CCNA certification or looking to gain a primary understanding of key Cisco networking technologies.
Author(s): Todd Lammle
Series: CCNA Certification
Edition: 1
Publisher: Sybex
Year: 2019
Language: English
Commentary: Vector PDF
Pages: 400
City: Indianapolis, IN
Tags: Wide Area Networks; Networking; Ethernet; TCP/IP; Textbook; Routing; Cisco; Elementary; Network Administration; Certification
Volume 1 Understanding Cisco® Networking Technologies: Exam 200-301
Acknowledgments
About the Author
Contents at a Glance
Contents
Introduction
Cisco’s Network Certifications
What Does This Book Cover?
Chapter 1 Internetworking
Internetworking Basics
Internetworking Models
The Layered Approach
Advantages of Reference Models
The OSI Reference Model
The Application Layer
The Presentation Layer
The Session Layer
The Transport Layer
The Network Layer
The Data Link Layer
The Physical Layer
Summary
Chapter 2 Ethernet Networking and Data Encapsulation
Ethernet Networks in Review
Collision Domain
Broadcast Domain
CSMA/CD
Half- and Full-Duplex Ethernet
Ethernet at the Data Link Layer
Ethernet at the Physical Layer
Ethernet Cabling
Straight-Through Cable
Crossover Cable
Rolled Cable
Fiber Optic
Data Encapsulation
The Cisco Three-Layer Hierarchical Model
The Core Layer
The Distribution Layer
The Access Layer
Summary
Chapter 3 Introduction to TCP/IP
Introducing TCP/IP
A Brief History of TCP/IP
TCP/IP and the DoD Model
The Process/Application Layer Protocols
The Host-to-Host or Transport Layer Protocols
The Internet Layer Protocols
IP Addressing
IP Terminology
The Hierarchical IP Addressing Scheme
Private IP Addresses (RFC 1918)
IPv4 Address Types
Layer 2 Broadcasts
Layer 3 Broadcasts
Unicast Address
Multicast Address
Summary
Chapter 4 Easy Subnetting
Subnetting Basics
How to Create Subnets
Subnet Masks
Classless Inter-Domain Routing (CIDR)
IP Subnet-Zero
Subnetting Class C Addresses
Subnetting Class B Addresses
Summary
Chapter 5 Troubleshooting IP Addressing
Cisco’s Way of Troubleshooting IP
Determining IP Address Problems
Summary
Chapter 6 Cisco’s Internetworking Operating System (IOS)
The IOS User Interface
Cisco IOS
Connecting to a Cisco IOS Device
Bringing Up a Switch
Command-Line Interface (CLI)
Entering the CLI
Overview of Router Modes
CLI Prompts
Editing and Help Features
Administrative Configurations
Hostnames
Banners
Setting Passwords
Encrypting Your Passwords
Descriptions
Router and Switch Interfaces
Bringing Up an Interface
Viewing, Saving, and Erasing Configurations
Deleting the Configuration and Reloading the Device
Verifying Your Configuration
Summary
Chapter 7 Managing a Cisco Internetwork
The Internal Components of a Cisco Router and Switch
The Router and Switch Boot Sequence
Backing Up and Restoring the Cisco Configuration
Backing Up the Cisco Configuration
Restoring the Cisco Configuration
Erasing the Configuration
Configuring DHCP
DHCP Relay
Verifying DHCP on Cisco IOS
Using Telnet
Telnetting into Multiple Devices Simultaneously
Checking Telnet Connections
Checking Telnet Users
Closing Telnet Sessions
Resolving Hostnames
Building a Host Table
Using DNS to Resolve Names
Checking Network Connectivity and Troubleshooting
Using the ping Command
Using the traceroute Command
Debugging
Using the show processes Command
Summary
Chapter 8 Managing Cisco Devices
Managing the Configuration Register
Understanding the Configuration Register Bits
Checking the Current Configuration Register Value
Boot System Commands
Recovering Passwords
Backing Up and Restoring the Cisco IOS
Verifying Flash Memory
Backing Up the Cisco IOS
Restoring or Upgrading the Cisco Router IOS
Using the Cisco IOS File System (Cisco IFS)
Licensing
Right-To-Use Licenses (Evaluation Licenses)
Backing Up and Uninstalling the License
Summary
Chapter 9 IP Routing
Routing Basics
The IP Routing Process
The Cisco Router Internal Process
Testing Your IP Routing Understanding
Configuring IP Routing
Corp Configuration
SF Configuration
LA Configuration
Configuring IP Routing in Our Network
Static Routing
Default Routing
Dynamic Routing
Routing Protocol Basics
Routing Information Protocol (RIP)
Configuring RIP Routing
Holding Down RIP Propagations
Summary
Chapter 10 Wide Area Networks
Introduction to Wide Area Networks
WAN Topology Options
Defining WAN Terms
WAN Connection Bandwidth
WAN Connection Types
WAN Support
Cabling the Serial Wide Area Network
Serial Transmission
Data Terminal Equipment and Data Communication Equipment
High-Level Data-Link Control (HDLC) Protocol
Point-to-Point Protocol (PPP)
Link Control Protocol (LCP) Configuration Options
PPP Session Establishment
PPP Authentication Methods
Configuring PPP on Cisco Routers
Configuring PPP Authentication
Verifying and Troubleshooting Serial Links
Multilink PPP (MLP)
PPP Client (PPPoE)
Configuring a PPPoE client
Summary
Glossary
Index
EULA
