單項(xiàng)選擇題

Refer to the exhibit.
Which Catalyst switch interface command would be used to cause the switch to instruct the phone to override the incoming CoS from the PC before forwarding the packet to the switch？（）

A. mls qos cos 2 override
B. switchport priority extend cos 11
C. switchport priority extend trust
D. switchport priority extend none
E. mls qos cos 2
F. switchport priority extend cos 2

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多項(xiàng)選擇題

You have configured voice VLANs on Catalyst switch R1.
Which two statements are true about the operation of voice VLANs on this device？（）

A. When the voice VLAN feature is enabled， all untagged traffic is sent according to the default CoS priority of the port.
B. Enabling voice VLANs enables the switch to create multiple queues for traffic that is entering a port.
C. When voice VLANs are configured on a trunk link， UplinkFast must also be enabled.
D. Voice VLANs are configured to enable the switch to forward frames marked with the proper CoS values over separate physical links.
E. Enabling voice VLANs enables the switch to forward frames with a specific 802.1P marking.

單項(xiàng)選擇題

Refer to the exhibit.
Which statement is true about the configuration that is shown？（）

A. Untagged ingress traffic will be dropped.
B. Ingress traffic from the host will be tagged with theCoS value of 5.
C. Tagged and untagged ingress traffic will be carried on VLAN 1.
D. Untagged ingress traffic will be marked with the default CoS value of the port.

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Refer to the exhibit. Which Catalyst switch interface command would be used to cause the switch to instruct the phone to override the incoming CoS from the PC before forwarding the packet to the switch？（）

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You have configured voice VLANs on Catalyst switch R1. Which two statements are true about the operation of voice VLANs on this device？ （）

Refer to the exhibit. Which statement is true about the configuration that is shown？ （）

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Refer to the exhibit.
Which Catalyst switch interface command would be used to cause the switch to instruct the phone to override the incoming CoS from the PC before forwarding the packet to the switch？（）

You have configured voice VLANs on Catalyst switch R1.
Which two statements are true about the operation of voice VLANs on this device？（）

Refer to the exhibit.
Which statement is true about the configuration that is shown？（）