Navi WAC networking is a networking mode that uses a WLAN Access Controller (WAC) to manage and control APs. It can provide different authentication and security policies for different user groups, such as employees and guests. Guest data is isolated from the internal network to prevent security threats.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100064352/9aadccc0/navi-wac-networking

According to the Huawei documents and resources, EAP termination and EAP relay are typical 802.1X authentication modes between the access device and authenticatio n server. In EAP termination mode, the access device terminates EAP packets and encapsulates them into RADIUS packets. In EAP relay mode, the access device directly encapsulates t he received EAP packets into RADIUS using EAP over RADIUS (EAPoR) packets 2 . Therefore, A and B are the correct answers. References: 2 : https://support.huawei.com
/enterprise/en/doc/EDOC1100086527