单项选择题

Refer to the exhibit. Which statement is true about where trust boundaries should be established in a network？（）

A. Endpoint 1 is the only acceptable place to establish a trust boundary.
B. Endpoint 1 is the optimal place to establish a trust boundary. Endpoints 2 and 3 are acceptable places to establish a trust boundary.
C. Endpoint 2 is the only acceptable place to establish a trust boundary.
D. Endpoint 2 is the optimal place to establish a trust boundary. Endpoints 1 and 3 are acceptable places to establish a trust boundary.
E. Endpoints 1 and 2 are optimal places to establish a trust boundary. Endpoint 3 is an acceptable place to establish a trust boundary.
F. Endpoints 2 and 3 are optimal places to establish a trust boundary. Endpoint 1 is an acceptable place to establish a trust boundary.

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单项选择题

Refer to the exhibit. When a profile is configured in the Aironet Desktop Utility， which security option permits the configuration of host-based Extensible Authentication Protocol （EAP）？（）

A. WPA/WPA2/CCKM
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C. 802.1x
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Which issue or set of issues does the Lightweight Access Point Protocol （LWAPP） address？（）

A. reduction of processing in wireless controllers
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单项选择题

Refer to the exhibit. Which Virtual Router Redundancy Protocol （VRRP） statement is true about the roles of the master virtual router and the backup virtual router？（）

A. Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails， Router B will become the master virtual router. When Router A recovers， Router B will maintain the role of master virtual router.
B. Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails， Router B will become the master virtual router. When Router A recovers， it will regain the master virtual router role.
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D. Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails， Router A will become the master virtual router. When Router B recovers， it will regain the master virtual router role.