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CCNP(642-813)

单项选择题

Which of the characteristics below is associated with the （QoS） Integrated Services Model？ （）

A. QoS classified at layer 3 using IP precedence or DSCP.
B. Guaranteed rate service.
C. Implemented using FIFO queues.
D. All traffic has an equal chance of being dropped.

相关考题

The Company is rolling out Cisco’s Architecture for Voi...

多项选择题

The Company is rolling out Cisco’s Architecture for Voice， Video and Integrated Data （AVVID）.  
Which of the following choices represent the fundamental intelligent network services in Cisco’s  AVVID？ （）

A. Quality of Service （QoS）
B. Intelligent platforms
C. Mobility and scalability
D. Security
E. High availability

Refer to the exhibit.  What is the effect when the swit...

单项选择题

Refer to the exhibit. 
What is the effect when the switchport priority extend cos 3 command is  configured on the switch port interface connected to the IP phone？（）

A. The IP phone is enabled to override with aCoS value of 3 the existing CoS marking of the PC  attached to the IP phone.
B. The switch will no longer tag incoming voice packets and will extend the trust boundary to the  distribution layer switch.
C. RTP will be used to negotiate aCoS value based upon bandwidth utilization on the link.  
D. Effectively， the trust boundary has been moved to the PC attached to the IP phone.
E. The computer is now establishing theCoS value and has effectively become the trust boundary.

Refer to the exhibit.  Which Catalyst switch interface ...

单项选择题

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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