Sophos Firewall Administrator Practice Exam 2025 – The All-in-One Guide to Master Your Certification!

Deploying the RED devices in Standard/Unified security mode is the most appropriate choice for ensuring that traffic from remote locations is monitored and potentially blocked from leaving the corporate LAN. In this mode, the firewall leverages its full capabilities to inspect, control, and enforce policies on all traffic passing through it, including the traffic from RED devices.

In Standard/Unified mode, all traffic is subject to the firewall's security policies, which means you can enforce rules that monitor and block sensitive information from being transmitted outside the LAN. This enables robust data loss prevention (DLP) measures, allowing administrators to tailor security policies accurately according to the nature of the corporate data.

Other modes, such as Transparent and Bridge, do not provide the same level of inspection and control over the traffic. Transparent mode operates at Layer 2 of the OSI model, meaning it can forward packets without making any alterations or inspecting the application-layer data; thus, it would not effectively monitor sensitive traffic. Bridge mode, while useful for connecting networks, similarly lacks in-depth traffic analysis capabilities.

Choosing Standard/Unified mode helps maintain a secure environment where sensitive data is closely monitored and protected against unauthorized access and potential data leaks, ensuring compliance with corporate data protection policies.