Network Support and Security Fundamentals

In today's interconnected world, keeping networks running smoothly and securely is a critical skill for any IT professional. This comprehensive text-based course guides you through the essentials of network support and security, equipping you to protect and maintain organizational infrastructure. You will transition from having a basic understanding of computer networks to confidently identifying vulnerabilities, configuring essential defense mechanisms, and troubleshooting common connectivity issues. By studying real-world scenarios, you will develop the practical mindset needed to keep systems secure and operational. What you'll learn: Understand foundational networking protocols, hardware components, and security terminology. Configure and troubleshoot basic routing, switching, and network access controls. Implement modern security measures including firewalls, virtual private networks (VPNs), and intrusion prevention systems. Analyze network traffic to detect anomalies, unauthorized access, and potential security breaches. Apply modern zero-trust security concepts and secure access service edge principles. Develop standard troubleshooting workflows to resolve connectivity issues and restore secure operations. The course starts with essential terminology and structural models, progresses through practical configuration principles, and concludes with advanced troubleshooting and modern defense methodologies. This course is designed for absolute beginners, aspiring IT support specialists, and junior network administrators with no prior security experience. Start building your foundation in network security and support today.