單項選擇題

Refer to the exhibit. 
What will happen when one more user is connected to interface FastEthernet  5/1?()

A. The first address learned on the port will be removed from the secure address list and be  replaced with the new address.
B. All secure addresses will age out and be removed from the secure address list. This will cause  the security violation counter to increment.
C. The packets with the new source addresses will be dropped until a sufficient number of secure  MAC addresses are removed from the secure address list.
D. The interface will be placed into the error-disabled state immediately, and an SNMP trap  notification will be sent.


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1.多項選擇題

Refer to the exhibit. The show port-security interface fa0/1 command was issued on switch SW1.  Given the output that was generated,
 which two security statement are true? ()

A. Interface FastEthernet 0/1 was configured with the switchport port-security aging command.  
B. Interface FastEthernet 0/1 was configured with the switchport port-security protect command.  
C. Interface FastEthernet 0/1 was configured with the switchport port-security violation restrict  command.
D. When the number of secure IP addresses reaches 10, the interface will immediately shut down. 
E. When the number of secure MAC addresses reaches 10, the interface will immediately shut  down and an SNMP trap notification will be sent.

2.單項選擇題

Switch R1 has been configured with Private VLANs.
 With that type of PVLAN port should the default gateway be configured?()

A. Trunk
B. Isolated
C. Primary
D. Community
E. Promiscuous
F. None of the other alternatives apply

3.多項選擇題

What is true about access control on bridged and routed VLAN traffic? ()

A. Router ACLs can be applied to the input and output directions of a VLAN interface.
B. Bridged ACLs can be applied to the input and output directions of a VLAN interface.
C. Only router ACLs can be applied to a VLAN interface.
D. VLAN maps and router ACLs can be used in combination.
E. VLAN maps can be applied to a VLAN interface

4.單項選擇題

On a Company switch named R1 you configure the following:  iparp inspection vlan 10-12, 15  
What is the purpose of this global configuration command made on R1?()

A. Discards ARP packets with invalid IP-to-MAC address bindings on trusted ports
B. Validates outgoing ARP requests for interfaces configured on VLAN 10, 11, 12, or 15
C. Intercepts, logs, and discards ARP packets with invalid IP-to-MAC address bindings
D. Intercepts all ARP requests and responses on trusted ports
E. None of the other alternatives apply

5.多項選擇題

As the network technician at Company, you need to configure DHCP snooping on a new switch. 
 Which three steps are required? ()

A. Configure the switch to insert and remove DHCP relay information (option-82 field) in forwarded  DHCP request messages.
B. Configure DHCP snooping globally.
C. Configure the switch as a DHCP server.
D. Configure DHCP snooping on an interface.
E. Configure all interfaces as DHCP snooping trusted interfaces.
F. Configure DHCP snooping on a VLAN or range of VLANs.

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