CCNP系列認證CCNP(642-892)單項選擇題每日一練(2019.01.21)

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）？（）

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？（）

Refer to the exhibit. Which statement is true about a voice VLAN？（）

Refer to the exhibit. What is the effect on the trust boundary of configuring the command mls qos trust cos on the switch port that is connected to the IP phone？（）

Refer to the exhibit. A Cisco Aironet Wireless LAN Client Adapter has been installed and configured  through the ADU on the PC. The Aironet System Tray Utility （ASTU） has been enabled during the  installation and the icon appears in the system tray area in the lower right of the desktop. What is the  significance of the icon？（）