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.
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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
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
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.
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
You want to enhance the security within the LAN and prevent VLAN hopping.
What two steps can be taken to help prevent this？（）
A.Enable BPD guard
B.Disable CDP on ports where it is not necessary
C.Place unused ports in a common unrouted VLAN
D.Prevent automatic trunk configuration
E.Implement port security
最新試題
How are STP timers and state transitions affected when a topology change occurs in an STP environment？（）
During routine maintenance， G1/0/1 on DS1 was shutdown. All other interface were up. DS2 became the active HSRP device for Vlan101 as desired. However， after G1/0/1 on DS1 was reactivated. DS1 did not become the active HSRP device as desired. What need to be done to make the group for Vlan101 function properly ？ （）
What is the configured priority value of the Vlan105’s group on DS2 ？（）
What will occur when a nonedge switch port that is configured for Rapid Spanning Tree does not receive a BPDU from its neighbor for three consecutive hello time intervals？（）
Refer to the exhibit and the partial configuration of switch SW_A and SW_B. STP is configured on all switches in the network. SW_B receives this error message on the console port：00：06：34： %CDP-4-DUPLEX_MISMATCH： duplex mismatch discovered on FastEthernet0/5 （not half duplex）， with SW_A FastEthernet0/4 （half duplex） ， with TBA05071417（Cat6K-B） 0/4 （half duplex）. What would be the possible outcome of the problem？（）
Refer to the exhibit. For what purpose is the command show ip cef used？（）
Refer to the exhibit. Which Virtual Router Redundancy Protocol （VRRP） statement is true about the roles of the master virtual router and the backup virtual router？（）
Refer to the exhibit. Switch S2 contains the default configuration. Switches S1 and S3 both have had the command spanning-tree mode rapid-pvst issued on them. What will be the result？（）
Based on the show spanning-tree vlan 200 output shown in the exhibit， which two statements about the STP process for VLAN 200 are true？ （）
Refer to the exhibit. On the basis of the output of the show spanning-tree inconsistentports command， which statement about interfaces FastEthernet 0/1 and FastEthernet 0/2 is true？（）