A.DAI intercept all ARP packets on untrusted ports
B.DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the DHCP Snooping database.
C.DAI is used to prevent against a DHCP Snooping attack.
D.DAI forwards all ARP packets received on a trusted interface without any checks.
E.DAI forwards all ARP packets on untrusted ports.
F.DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the CAM table.
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A.Classifying and marking traffic should be done as close to the traffic source as possible.
B.Classifying and marking traffic should be done at the distribution layer.
C.Traffic is classified and marked as it travels through the network.
D.If untrusted traffic enters a switch， it can be marked with a new QoS value appropriate for the policy in place.
E.The trust boundary moves depending on the type of traffic entering the network.
Refer to the exhibit.
What problem is preventing users on VLAN 100 from pinging addresses on VLAN 200？（）
A.No default route on DLS1.
B.Encapsulation mismatch between switches.
C.Native VLAN mismatch.
D.Subinterfaces should be created on Fa0/7 and Fa0/8 on DLS1.
E.Trunking needs to be enabled.
F.The ip routing command is missing on DLS1.
Cisco Express Forwarding has been enabled on router TK1.
With CEF， prefixes that require exception processing can be cached with one of which four special adjacencies？ （）
A.Kick
B.Drop
C.Forward
D.Null
E.Discard
F.Glean
G.Express
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.
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.
最新試題
Which router redundancy protocol cannot be configured for interface tracking？（）
How are STP timers and state transitions affected when a topology change occurs in an STP environment？（）
Refer to the exhibit. LACP has been configured on Switch1 as shown. Which is the correct command set to configure LACP on Switch2？（）
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. 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. What command was issued on the Layer 3 switch Sw1 between Exhibit #1 and Exhibit #2？（）
Which statement is correct about RSTP port roles？（）
Refer to the exhibit. Which statement is true about the output？（）
Which two statements about the various implementations of STP 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？（）