Begin preparing for a networking career with this introduction to how networks operate.  This first course in the 3-course CCNA series introduces architectures, models, protocols, and networking elements – functions needed to support the operations and priorities of Fortune 500 companies to small innovative retailers. You’ll even get the chance to build simple local area networks (LANs) yourself.  You’ll have a working knowledge of IP addressing schemes, foundational network security, and be able to perform basic configurations for routers and switches. You’ll also earn a Networking Academy badge for completing this course.  No prerequisites required.