单项选择题
Which of these is a valid differentiated services PHB？ （）
A.Guaranteed PHB
B.Class-Selector PHB
C.Reserved Forwarding PHB
D.Discard Eligible PHB
E.Priority PHB
相关考题
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多项选择题
Whichtwoofthesearedifferencesbetweentrafficpolicingandtrafficshaping？（）
A.with traffic shaping，a router stores excess traffic in packet buffers until bandwidth is available again
B.with policing you can tune the buffer usage for traffic exceeding the specified CIR
C.with shaping you can tune the buffer usage for traffic exceeding the specified CIR
D.shaping should only be applied for ingress traffic，policing only for egress
E.policing uses a token bucket algorithm，shaping uses an SPD algorithm -
单项选择题
Youaredesigningyournetworktobeabletousetrunks.AspartofthisprocessyouarecomparingtheISLand802.1Qencapsulationoptions.Allofthesestatementsaboutthetwoencapsulationoptionsarecorrectexceptwhichone？（）
A.Both support normal and extended VLAN ranges.
B.ISL is a Cisco proprietary encapsulation method and 802.1Q is an IEEE standard.
C.ISL encapsulates the original frame.
D.Both support native VLANs.
E.802.1Q does not encapsulate the original frame. -
单项选择题
Refer to the exhibit. What is the overall type of queuing being used on the outgoing data for interface Ethernet0/1? （）
A.LLQ
B.FIFO
C.CBWFQ
D.priority queuing
E.weighted fair queuing
F.IP RTP priority queuing
