1645
1646
1812
1813
单选题How many RADIUS servers can be added to a controller and thereafter assigned to theauthentication or accounting of individual WLAN IDs？（）A 14B 15C 17D 16
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多选题Which two statements correctly describe characteristics of the PortFast feature？ （）ASTP will be disabled on the port.BPortFast can also be configured on trunk ports.CPortFast is required to enable port-based BPDU guard.DPortFast is used for both STP and RSTP host ports.EPortFast is used for STP-only host ports.
多选题Which of the following ports are used by default for web servers? （）(Select TWO)A80B110C123D143E443
多选题You want to enhance the security within the LAN and prevent VLAN hopping. What two steps can be taken to help prevent this？（）AEnable BPD guardBDisable CDP on ports where it is not necessaryCPlace unused ports in a common unrouted VLANDPrevent automatic trunk configurationEImplement port security
多选题Which two ports are used with RADIUS authentication and authorization？（）AUDP port 1812BUDP port 2000CTCP port 2002DUDP port 1645
多选题Which two statements about voice VLANs are correct？（）AVoice VLANs eliminate the need for QoS configurationBVoice VLANs are used on trunk links to eliminate the need for QoS CoS markingsCVoice VLANs are mainly used to reduce the number of access switch ports that are used in the networkDVoice VLANs can be configured to forward existing CoS priorities or override themEVoice VLANs are mainly used between access layer switches and distribution layer switchesFVoice VLANs can be configured on Layer 2 ports only
单选题RFC2865、RFC2866协议基于UDP/IP层定义了RADIUS帧格式及消息传输机制，并定义了认证端口和计费端口，其中认证端口号为（）。A 1645B 1646C 1812D 1813
