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Table of Contents

                            Foreword
Preface
	Declaration
	Organization of This Book
	Target Audience
	Important Notes
	Icons in This Book
Huawei Certification Overview
Authors of This Book
Contents
Abbreviations
1 Network Communication Fundamentals
	1.1 Communication and Networks
		1.1.1 What Is Communication?
		1.1.2 Courier Deliveries and Network Communications
		1.1.3 Common Terminology
		1.1.4 Review Questions
	1.2 OSI Model and TCP/IP Model
		1.2.1 Network Protocols and Standards Organizations
		1.2.2 OSI Reference Model
		1.2.3 TCP/IP Protocol Suite
		1.2.4 Review Questions
	1.3 Network Types
		1.3.1 LAN and WAN
		1.3.2 Forms of Network Topology
		1.3.3 Review Questions
	1.4 Transmission Media and Methods of Communication
		1.4.1 Transmission Media
		1.4.2 Methods of Communication
		1.4.3 Review Questions
2 VRP Basics
	2.1 Introduction to VRP
	2.2 VRP Command Lines
		2.2.1 Basic Concepts
		2.2.2 Using Command Lines
	2.3 Logging into a Device
		2.3.1 Log into a Device Through a Console Port
		2.3.2 Log into a Device Through a MiniUSB Port
	2.4 Basic Configurations
		2.4.1 Setting the Host Name
		2.4.2 Setting the System Time
		2.4.3 Configuring an IP Address for the Device
		2.4.4 User Interface Configurations
	2.5 Configuration File Management
		2.5.1 Basic Concepts
		2.5.2 Saving the Current Configurations
		2.5.3 Setting the Next Startup Configuration File
	2.6 Remote Login Through Telnet
		2.6.1 Introduction to Telnet
		2.6.2 Logging into a Device Through Telnet
	2.7 File Management
		2.7.1 Basic Concepts
		2.7.2 Backing up a Configuration File
		2.7.3 Transferring Files
		2.7.4 Deleting a File
		2.7.5 Setting a System Startup File
	2.8 Basic Configuration Commands
	2.9 Review Questions
3 Ethernet
	3.1 Ethernet Cards
		3.1.1 Computer Network Cards
		3.1.2 Switch Network Cards
		3.1.3 Review Questions
	3.2 Ethernet Frames
		3.2.1 MAC Addresses
		3.2.2 Ethernet Frame Formats
		3.2.3 Review Questions
	3.3 Ethernet Switches
		3.3.1 Three Types of Forwarding Operations
		3.3.2 Switch Operating Principle
		3.3.3 Examples of Data Forwarding on a Single Switch
		3.3.4 Examples of Data Forwarding Between Multiple Switches
		3.3.5 MAC Address Table
		3.3.6 Review Questions
	3.4 ARP
		3.4.1 Basic Principles of ARP
		3.4.2 ARP Packet Format
		3.4.3 Review Questions
4 STP
	4.1 Loops
	4.2 STP Tree Generation
		4.2.1 Root Bridge Election
		4.2.2 Root Port Election
		4.2.3 Designated Port Election
		4.2.4 Alternate Port Blocking
	4.3 STP Packet Format
		4.3.1 Configuration BPDUs
		4.3.2 TCN BPDUs
	4.4 STP Port States
	4.5 STP Improvements
	4.6 Examples of STP Configurations
	4.7 Review Questions
5 VLAN
	5.1 VLAN Purposes
	5.2 VLAN Scenario
	5.3 802.1Q Frame Structure
	5.4 VLAN Types
	5.5 Link Types and Port Types
	5.6 VLAN Forwarding Examples
	5.7 VLAN Configuration Example
	5.8 GVRP
		5.8.1 Dynamic VLAN Registration Process
		5.8.2 Dynamic VLAN Deregistration Process
	5.9 GVRP Configuration Example
	5.10 Review Questions
6 IP Basics
	6.1 Classful Addressing
	6.2 Classless Addressing
	6.3 Subnet Masks
	6.4 Special IP Addresses
	6.5 IP Forwarding
	6.6 IP Packet Format
	6.7 Review Questions
7 TCP and UDP
	7.1 Connectionless and Connection-Oriented Communication
	7.2 TCP
		7.2.1 TCP Session Setup
		7.2.2 TCP Session Termination
		7.2.3 TCP Segment Structure
		7.2.4 TCP Acknowledgement and Retransmission
		7.2.5 Application Port
	7.3 UDP
	7.4 Review Questions
8 Routing Protocol Basics
	8.1 Routing
		8.1.1 Routes and Routing Tables
		8.1.2 Routing Information Source
		8.1.3 Route Preference
		8.1.4 Route Cost
		8.1.5 Default Route
		8.1.6 Comparison Between Routing Tables on a Computer and Router
		8.1.7 Static Route Configuration Example
		8.1.8 Default Route Configuration Example
		8.1.9 Review Questions
	8.2 RIP
		8.2.1 Routing Protocols
		8.2.2 Basic Principles of RIP
		8.2.3 RIP Routing Table
		8.2.4 RIP Message Format
		8.2.5 RIP-1 and RIP-2
		8.2.6 RIP Timers
		8.2.7 Routing Loops
		8.2.8 RIP Configuration Example
		8.2.9 Review Questions
	8.3 OSPF
		8.3.1 Basic Principles of OSPF
		8.3.2 Comparison Between OSPF and RIP
		8.3.3 OSPF Areas
		8.3.4 OSPF Network Types
		8.3.5 Link State and LSA
		8.3.6 OSPF Packet Types
		8.3.7 Single-Area OSPF Network
		8.3.8 Multi-area OSPF Network
		8.3.9 Neighbor Relationship and Adjacency
		8.3.10 DR and BDR
		8.3.11 OSPF Configuration Example
		8.3.12 Review Questions
9 Inter-VLAN Layer 3 Communication
	9.1 Inter-VLAN Layer 3 Communication via a Multi-armed Router
	9.2 Inter-VLAN Layer 3 Communication via a One-Armed Router
	9.3 Inter-VLAN Layer 3 Communication via a Layer 3 Switch
	9.4 VLANIF Configuration Example
	9.5 Review Questions
10 Link Technologies
	10.1 Link Aggregation
		10.1.1 Background
		10.1.2 Basic Concepts
		10.1.3 Application Scenarios
		10.1.4 Working Principles
		10.1.5 LACP
		10.1.6 Configuration Example
	10.2 Smart Link
		10.2.1 Working Principles
		10.2.2 Configuration Example
	10.3 Monitor Link
		10.3.1 Working Principles
		10.3.2 Configuration Example
	10.4 Review Questions
11 DHCP and NAT
	11.1 DHCP
		11.1.1 Basic Concepts and Functions
		11.1.2 Basic Operations
		11.1.3 DHCP Relay Agent
		11.1.4 DHCP Server Configuration Example
		11.1.5 DHCP Relay Agent Configuration Example
	11.2 NAT
		11.2.1 Basic Concepts
		11.2.2 Static NAT
		11.2.3 Dynamic NAT
		11.2.4 NAPT
		11.2.5 Easy IP
		11.2.6 Static NAT Configuration Example
	11.3 Review Questions
12 PPP and PPPoE
	12.1 PPP
		12.1.1 Basic Concepts
		12.1.2 PPP Frame Format
		12.1.3 Phases in PPP
		12.1.4 Link Establishment Phase
		12.1.5 Authentication Phase
		12.1.6 Network Layer Protocol Phase
		12.1.7 Basic PPP Configuration Examples
	12.2 PPPoE
		12.2.1 Basic Concepts
		12.2.2 PPPoE Packet Format
		12.2.3 Phases in PPPoE
	12.3 Review Questions
13 Network Management and Security
	13.1 Network Management
		13.1.1 Basic Concepts in Network Management
		13.1.2 Network Management System
		13.1.3 SMI
		13.1.4 MIB
		13.1.5 SNMP
	13.2 Network Security
		13.2.1 Access Control List Fundamentals
		13.2.2 Basic ACL
		13.2.3 Advanced ACL
		13.2.4 Basic ACL Configuration Example
	13.3 Review Questions
14 Appendix-Answers to Review Questions