多項(xiàng)選擇題

You have just purchased a new Cisco 3560 switch running the enhanced IOS and need configure  it to be installed in a high availability network. On a 3560 EMI switch,
 which three types of  interfaces can be used to configure HSRP?()

A. SVI interface
B. Access port
C. EtherChannel port channel
D. Loopback interface
E. Routed port
F. BVI interface


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1.單項(xiàng)選擇題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.

3.單項(xiàng)選擇題

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.

4.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

5.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.

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Refer to the exhibit. Based on the output of the show spanning-tree command, which statement is true? ()

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Which option correctly identifies the Cisco IOS switching methods in descending order from the fastest method to the slowest method?()

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Refer to the exhibit. What will happen when one more user is connected to interface FastEthernet 5/1? ()

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