Begin preparing for a networking career with this introduction to how networks operate. This 70-hour course is the first in the 3-course CCNA series introducing 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). Developing a working knowledge of IP addressing schemes, foundational network security, you'll be able to perform basic configurations for routers and switches. No prerequisites required. After completing all three CCNA courses, you are ready to take the CCNA Certification.