思科认证 2021_04_17 每日一练
The network security policy for Ezonexam requires that only one host be permitted to attach dynamically to each switch interface. If that policy is violated, the interface should be automatically disabled. Which two commands must the Ezonexam network administrator configure on the 2950 Catalyst switch to meet this policy? (Choose two)
A．SWEzonexam1(config-if)# switchport port-security maximum 1
B．SWEzonexam1(config)# mac-address-table secure
C．SWEzonexam1(config)# access-list 10 permit ip host
D．SWEzonexam1(config-if)# switchport port-security violation shutdown
E．SWEzonexam1(config-if)# ip access-group 10
The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configure port security on this Ezonexam device?
A．To prevent unauthorized hosts from getting access to the LAN
B．To limit the number of Layer 2 broadcasts on a particular switch port
C．To prevent unauthorized Telnet or SSH access to a switch port
D．To prevent the IP and MAC address of the switch and associated ports
E．None of the above