Refer to the exhibit. Dynamic ARP inspection （DAI） is enabled on switch SW_A only. Both Host_A and Host_B acquire their IP addresses from the DHCP server connected to switch SW_A.
What would the outcome be if Host_B initiated an ARP spoof attack toward Host_A ？ （）
A. The spoof packets will be inspected at the ingress port of switch SW_A and will be permitted.
B. The spoof packets will not be inspected at the ingress port of switch SW_A and will be permitted.
C. The spoof packets will not be inspected at the ingress port of switch SW_A and will be dropped.
D. The spoof packets will be inspected at the ingress port of switch SW_A and will be dropped.
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Refer to the exhibit.
What will happen to traffic within VLAN 14 with a source address of 172.16.10.5？ （）
A. The traffic will be forwarded to the router processor for further processing.
B. The traffic will be dropped.
C. The traffic will be forwarded to the TCAM for further processing.
D. The traffic will be forwarded without further processing.
A hacker on the Company network is attempting to hop onto a different VLAN.
Which two statements about VLAN hopping are true？ （）
A. An end station attempts to gain access to all VLANs by transmitting Ethernet frames in the 802.1q encapsulation.
B. Configuring an interface with the "switchport mode dynamic" command will prevent VLAN hopping.
C. Attacks are prevented by utilizing the port-security feature.
D. Configuring an interface with the "switchport mode access" command will prevent VLAN hopping.
E. An end station attempts to redirect VLAN traffic by broadcasting multiple ARP requests.
The Company security administrator wants to prevent VLAN hopping on the network.
What is one method that can be used to do this？ （）
A. Attacks are prevented by utilizing the port-security feature.
B. An end station attempts to gain access to all VLANs by transmitting Ethernet frames in the 802.1q encapsulation.
C. Configuring an interface with the switchport mode dynamic command will prevent VLAN hopping.
D. An end station attempts to redirect VLAN traffic by transmitting Ethernet frames in the 802.1q encapsulation.
E. Configuring an interface with the "switchport mode access" command will prevent VLAN hopping.
The Company security administrator is concerned with VLAN hopping based attacks.
Which two statements about these attacks are true？ （）
A. Attacks are prevented by utilizing the port-security feature.
B. An end station attempts to gain access to all VLANs by transmitting Ethernet frames in the 802.1q encapsulation.
C. Configuring an interface with the switchport mode dynamic command will prevent VLAN hopping.
D. An end station attempts to redirect VLAN traffic by transmitting Ethernet frames in the 802.1q encapsulation.
E. Configuring an interface with the "switchport mode access" command will prevent VLAN hopping.
Refer to the exhibit. PCs in VLAN 2 are not able to communicate with PCs in VLAN 3.
What could be the cause？（）
A. IP routing is not enabled.
B. VTP is not configured correctly on the interfaces.
C. The command mls rp management-interface is missing.
D. The command mls rp ip must be disabled to enable the routing.
最新試題
Which two statements are true when the extended system ID feature is enabled？ （）
What two things will occur when an edge port receives a BPDU？（）
DS2 has not become the active device for Vlan103’s HSRP group even though all interfaces are active. As related to Vlan103’s HSRP group. What can be done to make the group function properly ？ （）
How are STP timers and state transitions affected when a topology change occurs in an STP environment？（）
Refer to the exhibit. What does the command channel-group 1 mode desirable do？ （）
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. 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？（）
Refer to the exhibit. STP has been implemented in the network. Switch SW_A is the root switch for the default VLAN. To reduce the broadcast domain， the network administrator decides to split users on the network into VLAN 2 and VLAN 10. The administrator issues the command spanning-tree vlan 2 root primary on switch SW_A. What will happen as a result of this change？（）
Refer to the exhibit. All network links are FastEthernet. Although there is complete connectivity throughout the network， Front Line users have been complaining that they experience slower network performance when accessing the server farm than the Reception office experiences. Based on the exhibit， which two statements are true？（）
Refer to the exhibit. What will happen when one more user is connected to interface FastEthernet 5/1？ （）