WGU Network Security Foundations – Section 1: Introduction to Networking Concepts

This study material is designed to support students preparing for WGU Network Security Foundations coursework, specifically Section 1: Introduction to Networking Concepts. It provides review materials, practice questions, and assessment-focused content to help learners strengthen their understanding of networking fundamentals, network architecture, and essential security concepts. The material covers key topics including network types and topologies, the OSI and TCP/IP models, IP addressing, subnetting fundamentals, network devices, routing and switching, wireless networking, network protocols, ports and services, virtualization, cloud networking basics, network troubleshooting, and foundational cybersecurity principles. Emphasis is placed on understanding how modern computer networks operate and how networking concepts support secure communication and infrastructure. This material is suitable for students preparing for WGU Network Security Foundations coursework, information technology examinations, cybersecurity assessments, networking certifications, and professional development in network administration and security.