Networking Basics and Cisco Device Management

Understanding how data moves across a network is the foundation of modern IT infrastructure and systems administration. This text-based course guides you through core networking concepts, routing protocols, and the practical commands needed to manage Cisco devices. You will start with foundational terminology and network layers before moving on to practical configuration scenarios and modern automation trends. Learn to conceptualize network traffic, set up basic routing, and secure your infrastructure. What you will learn: Understand essential networking models including the OSI and TCP/IP stacks; Configure Cisco routers and switches using core command-line interface commands; Calculate IP addressing and subnetting schemas for efficient network design; Apply fundamental network security practices, including access control lists and basic zero-trust concepts; Explore modern network automation basics and how software-defined networking is changing device management. This course is designed for absolute beginners looking to enter the IT and networking field with no prior experience required. Start reading today to build your practical networking skills.