多项选择题

Which two statements are true about trust boundaries？（）

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.

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热门试题

单项选择题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.

多项选择题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

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.

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