单项选择题

Which statement is true about the data traffic between the access point named TKAP1 and  controller TKC1？（）

A. The data traffic between the access point and controller is not encrypted.
B. The data traffic is encapsulated with LWAPP.
C. The data traffic is switched at the access point before being sent to the WLAN controller where  VLAN tagging and QoS are applied.
D. The data traffic is encrypted with AES.
E. All of the above

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多项选择题
Access Point R1 is an Aironet 1200 that has been converted from autonomous mode to LWAPP  mode. After this conversion， which two statements are true？ （）

A. LWAPP-enabled access points can still communicate with Wireless Domain Services （WDS）  devices.
B. An LWAPP-enabled access point console port provides read-only access to the unit.
C. LWAPP-enabled access points support Layer 2 LWAPP.
D. LWAPP-enabled access points must get an IP address and discover the controller using  DHCP， DNS， or an IP subnet broadcast.
E. An LWAPP-enabled access point console port provides read-write access to the unit.
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What are three functions of the Cisco wireless LAN controller，  which is being used in the Company  Centralized WLAN solution network？ （）

A. Authentication  
B. Mobility
C. Security management
D. Transmission of beacon frames
E. Real-time portions of MAC management
F. Real-time aspects of the 802.11 prtocol management
G. SNMP collection
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