Global Knowledge

Understanding Networking Fundamentals

Exclusive - Build a foundation of networking knowledge in a real-world, multi-vendor environment.

GK #3150Virtual Classroom LiveClassroom Live
FormatsVirtual Classroom Live · Classroom LiveTopics5g · GK Polaris · Networking And Wireless

What you’ll learn

1. Introduction to Networking

  • What Is Network Computing?
  • Building Blocks of Networks
  • Network Infrastructure: Media
  • Network Infrastructure: Switches and Access Points
  • Network Infrastructure: Routers
  • Network Services
  • Network Types
  • Network Topologies
  • Locating Network Resources: Peer-to-Peer Networking
  • Locating Network Resources: Client-Server Networking
  • Virtual Computing
  • Cloud Computing
  • Module Review and Discussion Questions

2. Network Standards

  • Introduction
  • Standards Organizations
  • Example Standards Development Process
  • OSI Mode Overview
  • TCP/IP Model
  • Module Review and Discussion Questions

3. Physical Network Connections

  • Introduction
  • UTP Cabling
  • Fiber Optic Cabling
  • Wireless Connections
  • Module Review and Discussion Questions

4. Ethernet LANs

  • Introduction
  • NIC and MAC Addresses
  • Ethernet Standards
  • Ethernet Frame Structures
  • Ethernet Equipment Types
  • Ethernet Connectors
  • Ethernet Performance Issues
  • Module Review and Discussion Questions

5. Ethernet Switching

  • Introduction
  • Benefits of Switching
  • Switch Installations
  • Switch Operations Overview
  • Switch Loop Problems
  • Spanning Tree Protocol Overview
  • Configuring Switches
  • VLAN Overview
  • Link Aggregation
  • Troubleshooting
  • Module Review and Discussion Questions

6. Wireless LANs

  • Introduction
  • WLAN Standards: IEEE & Wi-Fi Alliance
  • WLAN Components
  • SSID
  • Wi-Fi Channels
  • Wi-Fi Speeds Overview
  • WLAN Security
  • WLAN Performance Issues
  • Module Review and Discussion Questions

7. IP Addressing

  • What Are Logical Addresses?
  • Binary Numbering
  • Dotted Decimal Notation
  • Three Types of IP Addresses
  • Classful Addressing
  • Assigning IP Addresses
  • Reserved Addresses
  • Private Addresses
  • Network Masking
  • Classless Addressing
  • Introduction to IPv6
  • Module Review and Discussion Questions

8. IPv4 Subnetting

  • Purpose of Subnetting
  • Subnet Communications
  • Subnet Mask Rules
  • The Art of Subnetting
  • The Science of Subnetting
  • Calculating Subnets
  • Four Key Addresses
  • Implementing the Plan
  • Subnetting Case Study
  • Variable-Length Subnet Masking
  • Module Review and Discussion Questions

9. TCP and UDP

  • Introduction
  • TCP and UDP Headers
  • Connection-Oriented vs. Connectionless Communications
  • Transmission Control Protocol
  • User Datagram Protocol
  • TCP and UDP Port Numbers
  • Network Address Translation
  • Module Review and Discussion Questions

10. Support and Management Protocols

  • Introduction
  • Address Resolution Protocol
  • Dynamic Host Configuration Protocol
  • Domain Name System
  • Internet Control Message Protocol (ICMP)
  • Internet Group Management Protocol (IGMP)
  • Telnet
  • Simple Network Management Protocol (SNMP)
  • Legacy Protocols: NetBIOS and NetBEUI
  • Module Review and Discussion Questions

11. Routing

  • Routing Overview
  • Logical Segmentation
  • Static vs. Dynamic Routing
  • Routing Decision Process
  • Route Protocol Operation
  • Common Routing Protocols
  • Configuring Routers
  • Module Review and Discussion Questions

12. Wide Area Networks

  • Introduction
  • Evolution of WAN Technologies
  • Sources of WAN Solutions
  • Circuit Switched vs. Packet Switched
  • Circuit Switched WAN Solutions
  • Packet Switched WAN Solutions
  • Internet WANs
  • Module Review and Discussion Questions

13. Communications Protocols

  • Introduction
  • Electronic Mail
  • Instant Messaging
  • Voice over IP
  • Unified Communications
  • Module Review and Discussion Questions

14. Web Protocols

  • Introduction
  • Hypertext Transfer Protocol (HTTP)
  • Secure Sockets Layer (SSL)
  • Transport Layer Security (TLS)
  • Remote Desktop Protocols
  • File Transfer Protocol (FTP)
  • Module Review and Discussion Questions

15. Network Security

  • Introduction
  • Security Threats
  • Threat Mitigation
  • Developing a Security Plan
  • Module Review and Discussion Questions

16. Emerging Networking Technologies

  • Introduction
  • Improved Wireless Technologies
  • Enterprise Mobility
  • Internet of Things
  • Software Defined Networks
  • Keeping Up with New Technology
  • Module Review and Discussion Questions

Upcoming training

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2026-10-12 — 2026-10-168:30 AM - 4:30 PM EDT
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2026-10-19 — 2026-10-2311:30 AM - 7:30 PM EDT
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2026-11-09 — 2026-11-138:30 AM - 4:30 PM EST
Virtual Classroom LiveONLINE · English
2026-12-07 — 2026-12-118:30 AM - 4:30 PM EST
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