单项选择题

Which statement about the Lightweight Access Point Protocol （LWAPP） is true？ （）

A. LWAPP encrypts both control traffic and user data.
B. LWAPP encrypts user traffic with an x.509 certificate using AES-CCMP.
C. When set to Layer 3， LWAPP uses a proprietary protocol to communicate with the Cisco  Aironet APs.
D. LWAPP encrypts control traffic between the AP and the controller.
E. None of the other alternatives apply.

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单项选择题
Which set of statements describes the correct order and process of a Company wireless user  client associating with a wireless access point in the Company network？ （）

A. 1. Access point sends probe request .2. Client sends probe response.3. Client initiates  association.4. Access point accepts association.5. Client adds access point MAC address to  association table.
B. 1. Client sends probe request.2. Access point sends probe response.3. Client initiates  association.4. Access point accepts association.5. Access point adds client MAC address to  association table.
C. 1. Client sends probe request.2. Access point sends probe response.3. Access point initiates  association.4. Client accepts association.5. Access point adds client MAC address to association  table.
D. 1. Access point sends probe request .2. Client sends probe response.3. Client initiates  association.4. Access point accepts association.5. Access point adds client MAC address to  association table.
E. 1. Client sends probe request.2. Access point sends probe response.3. Client initiates  association.4. Access point accepts association.5. Client adds access point MAC address to  association table.
F. None of the other alternatives apply.
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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