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Networking Essentials Lab Manual, 1st edition

Published by Cisco Press (October 22, 2021) © 2022

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The only authorized Lab Manual for the Cisco Networking Academy Networking Essentials Course

The Networking Essentials course is 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 pathways—from cybersecurity to software development to business and more. A Networking Academy digital badge is available for the instructor-led version of this course. No prerequisites required.

Students will Learn These Core Skills:

  • Plan and install a home or small business network using wireless technology, and then connect it to the Internet
  • Develop critical thinking and problem-solving skills using Cisco Packet Tracers
  • Practice verifying and troubleshooting network and Internet connectivity
  • Recognize and mitigate security threats to a home network. The 37 comprehensive labs in this manual emphasize hands-on learning and practice to reinforce configuration skills

The Networking Essentials Lab Manual provides students with all the labs and packet tracer activity instructions from the course designed as hands-on practice to develop critical thinking and complex problem-solving skills.

Chapter 1 Communication in a Connected World 1

1.5.4 Lab–My Local Network 1

Chapter 2 Online Connections 3

2.2.7 Lab–Determine the IP Address Configuration of a Computer 3

Chapter 3 Investigate Networking with Packet Tracer 7

3.3.3 Packet Tracer–Deploy Devices 7

3.3.4 Packet Tracer–Deploy and Cable Devices 9

3.4.3 Packet Tracer–Configure End Devices 11

3.5.1 Packet Tracer–Create a Simple Network 15

Chapter 4 Build a Simple Network 19

4.5.7 Lab–Build a Simple Network 19

4.5.8 Lab–Trace a Route 22

Chapter 5 Communication Principles 25

5.1.4 Lab–My Protocol Rules 25

5.4.5 Lab–Determine the MAC Address of a Host 27

Chapter 6 Network Design and the Access Layer 31

6.2.4 Lab–View Wireless and Wired NIC Information 31

6.4.8 Lab–View Captured Traffic in Wireshark 34

Chapter 7 Routing Between Networks 43

7.1.4 Lab–IPv4 Addresses and Network Communication 43

7.3.3 Packet Tracer–Observe Data Flow in a LAN 47

7.3.4 Lab–Connect to a Wireless Router 50

Chapter 8 The Internet Protocol 55

8.1.2 Packet Tracer–Connect to a Web Server 55

8.2.7 Lab–Use a Calculator for Binary Conversions 57

Chapter 9 Dynamic Addressing with DHCP 63

9.2.5 Packet Tracer–Configure DHCP on a Wireless Router 63

Chapter 10 IPv4 and IPv6 Address Management 67

10.2.3 Packet Tracer–Examine NAT on a Wireless Router 67

10.4.7 Lab–Identify IPv6 Addresses 70

Chapter 11 Transport Layer Services 75

11.1.6 Packet Tracer–The Client Interaction 75

Chapter 12 Application Layer Services 77

12.2.4 Lab–Observe DNS Name Resolution 77

12.3.3 Packet Tracer–Observe Web Request 81

12.4.4 Packet Tracer–Use FTP Services 83

Chapter 13 Build a Home Network 89

13.5.5 Lab–Configure a Wireless Router and Client 89

Chapter 14 Connecting to the Internet 93

14.2.13 Lab–Install Linux in a Virtual Machine and Explore the GUI 93

14.3.8 Lab–Configure 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 Tracer–Configure Basic Wireless Security 103

16.3.8 Lab–Configure Firewall Settings 104

Chapter 17 Cisco Switches and Routers 107

17.5.1 Packet Tracer–Compare In-Band and Out-of-Band Management Access 107

Chapter 18 The Cisco IOS Command Line 111

18.2.6 Packet Tracer–Navigate the IOS 111

18.3.3 Packet Tracer–Use Cisco IOS Show Commands 116

Chapter 19 Build a Small Cisco Network 119

19.1.4 Packet Tracer–Implement Basic Connectivity 119

19.2.4 Packet Tracer–Configure Initial Router Settings 122

19.3.6 Packet Tracer–Configure SSH 126

19.4.4 Packet Tracer–Build a Switch and Router Network 128

Chapter 20 Security Considerations 133

20.3.3 Packet Tracer–Use the ipconfig Command 133

20.3.6 Packet Tracer–Use the ping Command 134

20.3.12j Lab–Troubleshoot Using Network Utilities 136

20.4.3 Packet Tracer–Troubleshoot a Wireless Connection 141

20.7.1 Packet Tracer–Skills Integration Challenge 143

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