Remote Access Systems are applications that allow users to access data or control a device, server, or network from a distance. Coursera's Remote Access Systems catalogue teaches you how to securely set up, manage, and troubleshoot these systems. You'll learn about topics like VPNs, SSH, Remote Desktop Protocol (RDP), and network security principles. Additionally, you will understand how to navigate challenges of latency and bandwidth, as well as the roles of firewalls and encryption in ensuring secure connections. Gain a deeper understanding of key tools and concepts like IPsec, tunneling, and port forwarding to enhance your skill set in IT support, network administration, or cybersecurity.