多項(xiàng)選擇題

A network is deployed using best practices of the enterprise campus network model, including users with desktop computers connected via IP phones. Given that all components are QoS-capable, 
where are the two optimal locations for trust boundaries to be configured by the network administrator?()

A.host
B.IP phone
C.access layer switch
D.distribution layer switch
E.core layer switch


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4.單項(xiàng)選擇題

You work as a network engineer for . You study the exhibit carefully. 
What happens when the switch 2 is connected to the rest of the network in the VTP domain Lab_Network?()
Exhibit:

A.The recently introduced switch 2 removes all configured VLANs throughout the VTP domain. 
B.The recently introduced switch 2 creates a STP loop in the VTP domain.
C.The recently introduced switch 2 switches over to VTP transparent mode in order to be included into the VTP domain.
D.A trunk should be configured between the two switches in order to integrate 2 into the VTP domain.
E.The recently introduced switch 2 adds one more VLAN to the VLAN database in the VTP domain.

7.多項(xiàng)選擇題

You work as a network engineer for . You study the switch exhibit carefully. 
Which two statements are true? ()
Exhibit:

A.The trust boundary is not on this switch.
B.It is displaying the AutoQos configuration that was initially applied.
C.Interface Fa0/3 trusts allCoS values.
D.The switch does not trust theCoS values of a Cisco IP phone attached to port Fa0/3.
E.The show auto qos command shows the user-defined QoS settings.
F.The show auto qos command does not display user configuration changes currently in effect.

8.多項(xiàng)選擇題Which three statements are true about DAI?()

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.

9.多項(xiàng)選擇題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.

10.單項(xiàng)選擇題

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.

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