This document provides an overview of Module 1 which covers planning and configuring IPv4 networks. The module contains 3 lessons: 1. Planning an IPv4 network infrastructure which discusses IPv4 subnets, addressing schemes, and selecting appropriate schemes. 2. An overview of name resolution services in IPv4 networks including DNS, WINS, and how name resolution works. 3. Configuring and troubleshooting IPv4 including manual and automatic configuration, troubleshooting tools like ipconfig and ping, and using Network Monitor to analyze network traffic. The document ends with a lab scenario where the learner will design and implement an IPv4 addressing scheme for a branch office and configure client workstations.