A large enterprise needs to deploy a WLAN network. Huawei modular switches (S77/97/127) already exist on the existing network. In order to reduce the space resources occupied by equipment in the…

A large enterprise needs to deploy a WLAN network. Huawei modular switches (S77/97/127) already exist on the existing network. In order to reduce the space resources occupied by equipment in the equipment room and facilitate future WLAN network expansion, the user can insert an AC board into the slot of the modular switch to deploy the WLAN network. Which of the following types of ACs can be inserted into the modular switch? (Multiple choice)