Networking Essentials Lab Manual

Features

• Suited for developers, data scientists, cybersecurity specialists, and students
• Excellent launching point for a range of career pathwaysfrom cybersecurity to software development to business
• No prerequisites required

The only authorized Lab Manual for the Cisco Networking Academy Networking Essentials course Curriculum Objectives.

Networking is at the heart of the digital transformation. The network is essential to many business functions today, including business critical data and operations, cybersecurity, and so much more. This is a great course for developers, data scientists, cybersecurity specialists, and other professionals looking to broaden their networking domain knowledge. It's also an excellent launching point for students pursuing a wide range of career pathwaysfrom cybersecurity to software development to business and more. No prerequisites required!

Table of Contents

Chapter 1 Communication in a Connected World 1
    1.5.4 LabMy Local Network 1
Chapter 2 Online Connections 3
    2.2.7 LabDetermine the IP Address Configuration of a Computer 3
Chapter 3 Investigate Networking with Packet Tracer 7
    3.3.3 Packet TracerDeploy Devices 7
    3.3.4 Packet TracerDeploy and Cable Devices 9
    3.4.3 Packet TracerConfigure End Devices 11
    3.5.1 Packet TracerCreate a Simple Network 15
Chapter 4 Build a Simple Network 19
    4.5.7 LabBuild a Simple Network 19
    4.5.8 LabTrace a Route 22
Chapter 5 Communication Principles 25
    5.1.4 LabMy Protocol Rules 25
    5.4.5 LabDetermine the MAC Address of a Host 27
Chapter 6 Network Design and the Access Layer 31
    6.2.4 LabView Wireless and Wired NIC Information 31
    6.4.8 LabView Captured Traffic in Wireshark 34
Chapter 7 Routing Between Networks 43
    7.1.4 LabIPv4 Addresses and Network Communication 43
    7.3.3 Packet TracerObserve Data Flow in a LAN 47
    7.3.4 LabConnect to a Wireless Router 50
Chapter 8 The Internet Protocol 55
    8.1.2 Packet TracerConnect to a Web Server 55
    8.2.7 LabUse a Calculator for Binary Conversions 57
Chapter 9 Dynamic Addressing with DHCP 63
    9.2.5 Packet TracerConfigure DHCP on a Wireless Router 63
Chapter 10 IPv4 and IPv6 Address Management 67
    10.2.3 Packet TracerExamine NAT on a Wireless Router 67
    10.4.7 LabIdentify IPv6 Addresses 70
Chapter 11 Transport Layer Services 75
    11.1.6 Packet TracerThe Client Interaction 75
Chapter 12 Application Layer Services 77
    12.2.4 LabObserve DNS Name Resolution 77
    12.3.3 Packet TracerObserve Web Request 81
    12.4.4 Packet TracerUse FTP Services 83
Chapter 13 Build a Home Network 89
    13.5.5 LabConfigure a Wireless Router and Client 89
Chapter 14 Connecting to the Internet 93
    14.2.13 LabInstall Linux in a Virtual Machine and Explore the GUI 93
    14.3.8 LabConfigure a Mobile Device for Wi-Fi Connectivity 98
Chapter 15 Security Considerations 101
    15.2.3 Lab - Social Engineering 101
Chapter 16 Configure Network and Device Security 103
    16.2.4 Packet TracerConfigure Basic Wireless Security 103
    16.3.8 LabConfigure Firewall Settings 104
Chapter 17 Cisco Switches and Routers 107
    17.5.1 Packet TracerCompare In-Band and Out-of-Band Management Access 107
Chapter 18 The Cisco IOS Command Line 111
    18.2.6 Packet TracerNavigate the IOS 111
    18.3.3 Packet TracerUse Cisco IOS Show Commands 116
Chapter 19 Build a Small Cisco Network 119
    19.1.4 Packet TracerImplement Basic Connectivity 119
    19.2.4 Packet TracerConfigure Initial Router Settings 122
    19.3.6 Packet TracerConfigure SSH 126
    19.4.4 Packet TracerBuild a Switch and Router Network 128
Chapter 20 Security Considerations 133
    20.3.3 Packet TracerUse the ipconfig Command 133
    20.3.6 Packet TracerUse the ping Command 134
    20.3.12j LabTroubleshoot Using Network Utilities 136
    20.4.3 Packet TracerTroubleshoot a Wireless Connection 141
    20.7.1 Packet TracerSkills Integration Challenge 143

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