Refer to the exhibit, which shows an SD-WAN zone configuration on the FortiGate GUI.

Based on the exhibit, the "corporate" zone contains no member (B). In the FortiGate GUI, zones without members do not display any interfaces listed under them, which is the case for the corporate zone in the exhibit. References: This conclusion is based on standard Fortinet GUI interpretation and the operational logic of SD-WAN zones as per Fortinet's guidelines and user interface standards.