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ce disadvantage of a WLAN in a large-scale WLAN deployment? switch/controller with lightweight (thin) access points i ecryption is always performed on the WLAN controller 2.11 distribution system (DS) is located in the WLAN controller software. C AlI WLAN traffic must flow through the WLAN controller Management frames and Control frames are always encapsulated in 802.3 frames. 4) What must occur before a client can send and receive data on a wireless network? A Know the SSID used by the access point B Complete the 2-way association handshake C Must disassociate with a previous access point D Authenticate after establishing association E Must use a MAC address included in the access point's MAC filter