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多项选择题

Your boss， Miss ，is interested in CEF.
 What should you tell her？ （）

A.The FIB lookup is based on the Layer 3 destination address prefix （shortest match）.
B.The adjacent table is derived from the ARP table.
C.The FIB table is derived from the IP routing table.
D.When the adjacency table is full， a CEF TCAM table entry points to the Layer 3 engine to redirect the adjacency.
E.CEF IP destination prefixes are stored in the TCAM table， from the least specific to the most specific entry.
F.When the CEF TCAM table is full， packets are dropped.

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热门试题

单项选择题Refer to the exhibit. DHCP snooping is enabled for selected VLANs to provide security on the network.  How do the switch ports handle the DHCP messages？（）

A.Ports Fa2/1 and Fa2/2 source DHCP requests only. Port Fa3/1 is eligible to source all DHCP messages and respond to DHCP requests.
B.Ports Fa2/1 and Fa2/2 respond to DHCP requests only. Port Fa3/1 is eligible to source all DHCP messages.
C.Ports Fa2/1 and Fa2/2 are eligible to source all DHCP messages and respond to DHCP requests. Port Fa3/1 can source DHCP request only.
D.All three ports， Fa2/1， Fa2/2， and Fa3/1， are eligible to source all DHCP messages and respond to DHCP requests.

单项选择题Exhibit： You work as a network administrator at. You study the exhibit carefully.  Which configuration on the HSRP neighboring device ensures that it becomes the active HSRP device in the event that port fa1 1 on 1 goes down？ （）

A.  2（config-if）#ip address 10.10.10.2 255.255.255.0   2（config-if）#standby 1 priority 200   2（config-if）#standby 1 ip 10.10.10.10
B.  2（config-if）# ip address 10.10.10.2 255.255.255.0   2（config-if）#standby 1 priority 195   2（config-if）#standby 1 preempt   2（config-if）#standby 1 ip 10.10.10.10
C.  2（config-if）# ip address 10.10.10.2 255.255.255.0   2（config-if）#standby 1 priority 190   2（config-if）#standby 1 ip 10.10.10.10   2（config-if）#standby 1 track interface fa 1/1
D.  2（config-if）# ip address 10.10.10.2 255.255.255.0   2（config-if）#standby 1 priority 200   2（config-if）#standby 1 preempt   2（config-if）#standby 1 ip 10.10.10.10   2（config-if）#standby 1 track interface fa 1/1

单项选择题You have configured the  config network webmode enable  command on a Cisco device.  What is the purpose of this command？ （）

A.To allow HTTP access to the WLAN controller
B.To allow SSH access to the CLI of the WLAN controller
C.To allow SSL access to the CLI of the WLAN controller
D.To allow HTTPS access to the WLAN controller
E.None of the other alternatives apply

单项选择题WhichstatementistrueaboutvoiceVLANs？（）

A.When the voice VLAN feature is enabled， all untagged voice and data traffic is sent through the voice VLAN.
B.The voice VLAN feature is enabled by default.
C.The IP phone overrides the priority of all incoming data traffic （tagged and untagged） and sets the CoS value to 0.
D.The default CoS value is 1 for incoming voice and data traffic.

单项选择题You work as a network engineer for. You study the exhibit carefully.  What type of attack would be mitigated by this configuration？（）

A.CDP manipulation
B.VLAN hopping
C.MAC spoofing
D.MAC flood attack
E.ARP spoofing
F.spanning tree compromises