Sophos Firewall Administrator Practice Exam

Clientless SSL VPN access is designed to allow users to access services without needing to install additional client software on their devices. In this context, the supported protocols must be those that can be operated entirely within a web browser or through native remote desktop functionalities.

The correct option includes protocols that allow secure access to various types of remote services. SSH (Secure Shell) is widely used for secure command-line access to servers, VNC (Virtual Network Computing) enables remote desktop access, FTP (File Transfer Protocol) is used for file transfers, RDP (Remote Desktop Protocol) permits users to connect to remote Windows computers, and SMB (Server Message Block) facilitates file sharing and printer access on Windows networks.

These protocols collectively satisfy the requirements for clientless access, as they can be managed through browser-based interfaces or remote connections that do not necessitate separate client software installations. This ensures that users can maintain secure and convenient access to resources across different services while leveraging the flexibility of SSL VPN technology.