Book Image

CCNA Routing and Switching 200-125 Certification Guide

By : Lazaro (Laz) Diaz
Book Image

CCNA Routing and Switching 200-125 Certification Guide

By: Lazaro (Laz) Diaz

Overview of this book

Cisco Certified Network Associate (CCNA) Routing and Switching is one of the most important qualifications for keeping your networking skills up to date. CCNA Routing and Switching 200-125 Certification Guide covers topics included in the latest CCNA exam, along with review and practice questions. This guide introduces you to the structure of IPv4 and IPv6 addresses and examines in detail the creation of IP networks and sub-networks and how to assign addresses in the network. You will then move on to understanding how to configure, verify, and troubleshoot layer 2 and layer 3 protocols. In addition to this, you will discover the functionality, configuration, and troubleshooting of DHCPv4. Combined with router and router simulation practice, this certification guide will help you cover everything you need to know in order to pass the CCNA Routing and Switching 200-125 exam. By the end of this book, you will explore security best practices, as well as get familiar with the protocols that a network administrator can use to monitor the network.

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Table of Contents (24 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Internetworking Models
Internetworking Models
Internetworking devices
Network topologies
The OSI model
Summary
2
Ethernet Networking and Data Encapsulations
Ethernet Networking and Data Encapsulations
A brief overview of Ethernet networks
Cabling in Ethernet networks
The Cisco three-layer model
Summary
3
Introducing the TCP/IP
Introducing the TCP/IP
The TCP/IP model
The host-to-host layer/transport layer
The Internet layers
Address types for IPv4
Summary
4
Subnetting in IPv4
Subnetting in IPv4
Subnetting
Summary
5
Variable Length Subnet Mask and Route Summarization
Variable Length Subnet Mask and Route Summarization
Variable Subnet Masking
Route summarization
Summary
6
The IOS User Interface
The IOS User Interface
The Cisco IOS
Booting up a Cisco switch or router
Using the CLI
Global configuration commands
Viewing, saving, and erasing configurations
Summary
7
Managing the Cisco Internetwork
Managing the Cisco Internetwork
Internal components of Cisco router and switch
Backing up your Cisco configurations
Configuring DHCP on a Cisco router
DHCP relay
The Network Time Protocol or NTP
Configuring and verifying syslog
Using and configuring Telnet
Summary
8
Managing Cisco Devices
Managing Cisco Devices
Understanding router boot sequence
The Cisco register
Boot system commands
Recovering passwords
Backing up and restoring your IOS
Backing up your configurations
The Cisco File System and its purpose
Rommon or ROM monitor mode
Licensing
Summary
9
The IP Routing Process
The IP Routing Process
Routing basics
The IP routing process
IP routing configuration
Configuring IP routing in our network
Static routing
Dynamic routing
Administrative distances
Routing Information Protocol (RIP)
Summary
10
The IPv6 Protocol
The IPv6 Protocol
The history of IP
Need for IPv6
What are the benefits of using IPv6?
Working with IPv6 on your internetwork
Stateless autoconfiguration using the EUI-64
DHCPv6 stateful
ICMPv6
Duplicate Address Detection (DAD)
Basic introduction to IPv6 routing
Using RIPng
Summary
11
Introduction to IPv6 Routing
Introduction to IPv6 Routing
Benefits of dynamic routing
Configuring IPv6 routing
Configuring EIGRP for IPv6
Configuring OSPFv3
Summary
12
Switching Services and Configurations
Switching Services and Configurations
The evolution of networks
Switching services
Summary
13
VLANs and Inter-VLAN Routing
VLANs and Inter-VLAN Routing
The basics of VLANs
Broadcast control
Security
How do VLANs get identified?
Types of ports
Basics of frame-tagging
Types of trunking
Routing between VLANs
Summary
14
Introduction to the EIGRP Routing Protocol
Introduction to the EIGRP Routing Protocol
EIGRP features and operations
Diffusing Update Algorithm or DUAL
Configuring EIGRP
Summary
15
The World of Open Shortest Path First (OSPF)
The World of Open Shortest Path First (OSPF)
Brief history
Neighbor and adjacency initialization
Link State Advertisements and Flooding
SPF Tree Calculation
Configuring the basics of OSPF
Multi-area OSPF configuration
Summary
16
Border Gateway Protocol
Border Gateway Protocol
A brief history of BGP
BGP versus OSPF
Summary
17
Access-Control List
Access-Control List
Concepts of security
Summary
18
Network Address Translation
Network Address Translation
A brief history of NAT
Types of NAT and its configuration
How NAT works
Configuring NAT inside the router
Troubleshooting NAT
Summary
19
Wide Area Networks
Wide Area Networks
Understanding WAN
Need of WAN
Topologies that make up a WAN
Bandwidth connections used in a WAN
Types of connection used in a WAN
WAN protocols
HDLC and PPP
MPLS
Virtual Private Networks
GRE Tunnels
Configuring GRE Tunnel
How to verify if the GRE Tunnel is Operational
DMVPN
Redundancy Protocol
VRRP
GLBP
Summary
20
Advanced Networking Topics
Advanced Networking Topics
Layer 2 configurations
Summary
21
Mock Test Questions
Mock Test Questions
22
Assessments
Assessments
23
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