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.
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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.
You are configuring a Cisco multilayer switch for the Company network.
Which command would you use to configure a port to act as a routed interface？（）
A. ip routing
B. switchport mode trunk
C. no switchport
D. switchport trunk native vlan 1
E. None of the other alternatives apply
Which of the following could be used to provide a Layer 3 data path between separate VLANs？（）
A. VLAN trunking
B. An external router
C. An internal route processor
D. VLAN capable bridge
E. EtherChannel
Inter-VLAN routing has been implemented in the Company network. In VLAN routing，
what are some of the disadvantages of designing a router-on-stick configuration？ （）
A. InterVLAN routing cannot be filtered by the router.
B. The router becomes a single point of failure for the network.
C. Routers will not route STP BPDUs.
D. There is a possibility of inadequate bandwidth for each VLAN.
E. Additional overhead on the router can occur.
F. NetFlow Switching is required for InterVLAN accounting.
The Company network needs to pass traffic between VLANs.
Which device should be used to accomplish this？ （）
A. Hub
B. Switch
C. Router
D. Bridge
E. None of the other alternatives apply
最新試題
What must be the same to make multiple switches part of the same Multiple Spanning Tree （MST）？（）
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？（）
Which two statements are true when the extended system ID feature is enabled？ （）
Refer to the exhibit. For what purpose is the command show ip cef used？（）
Refer to the exhibit. Which statement is true about the output？（）
Which router redundancy protocol cannot be configured for interface tracking？（）
Which two statements are true about BPDU port-guard and BPDU filtering？（）
Refer to the exhibit. What command was issued on the Layer 3 switch Sw1 between Exhibit #1 and Exhibit #2？（）
How are STP timers and state transitions affected when a topology change occurs in an STP environment？（）
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？ （）