单项选择题
A. Ports 0/1 and 0/2
B. The trunk port 0/22 and the EtherChannel ports
C. Ports 0/1， 0/2 and 0/3
D. Ports 0/1， 0/2， 0/3， the trunk port 0/22 and the EtherChannel ports
E. Port 0/1
F. Ports 0/1， 0/2， 0/3 and the trunk port 0/22
单项选择题 A Company switch was configured as shown below： switchport mode access switchport port-security switchport port-security maximum 2 switchport port-security mac-address 0002.0002.0002 switchport port-security violation shutdown Given the configuration output shown above， what happens when a host with the MAC address of 0003.0003.0003 is directly connected to the switch port？ （）
单项选择题 VLAN maps have been configured on switch R1. Which of the following actions are taken in a VLAN map that does not contain a match clause？ （）
单项选择题 Refer to the exhibit. The web servers WS_1 and WS_2 need to be accessed by external and internal users. For security reasons， the servers should not communicate with each other， although they are located on the same subnet. The servers do need， however， to communicate with a database server located in the inside network. What configuration will isolate the servers from each other？ （）
