A.data marked with DSCP AF21,VOIP marked with DSCP EF
B.data marked with DSCP AF51,VOIP marked with DSCP EF
C.data marked with the DE-bit,VOIP marked with the CLP-bit
D.data marked with DSCP EF,VOIP marked with DSCP AF31
E.data marked with IP precedence 5 VOIP marked with DSCP EF
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A.mark VOIP traffic with IP precedence 6 and configure only ’fair-queue’ on the links
B.configure the scheduler allocate 3000 1000 command to allow the QoS code to have enough CPU cycles
C.enable class-based traffic shaping on the VoIP traffic class
D.enable Layer 2 fragmentation and interleaving on the links
E.enable Frame Relay on the links and send voice and data on different Frame Relay PVCs
A.Guaranteed PHB
B.Class-Selector PHB
C.Reserved Forwarding PHB
D.Discard Eligible PHB
E.Priority PHB
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
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.
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
A.It supports autonegotiation for both ISL and IEEE 802.1Q trunks.
B.It must be disabled on an interface if you do not want the interface to work as a trunk or start negotiation to become a trunk.
C.It is a point-to-multipoint protocol.
D.It is a point-to-point protocol.
E.It is not supported on private VLAN ports or tunneling ports.
A.802.1D bridges do not relay BPDUs.
B.802.1w bridges do not relay BPDUs.
C.802.1D bridges only relay BPDUs received from the root.
D.802.1w bridges only relay BPDUs received from the root.
A.upon a port state change
B.upon receiving a topology change notification
C.when transitioning from discarding to forwarding
D.when transitioning from forwarding to discarding
E.only when changing from listening to discarding
F.when CAM resources have been completely used up
最新試題
what is the disadvantage of policing?
Local Preference?
When upgrading the IOS image,the network administrator receives the exhibited error message.What could be the cause of this error?()
當(dāng)將多個交換機(jī)加入到MST region當(dāng)中會發(fā)生什么(what happen)?
How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?()
Refer to the exhibit.What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown?()
A network administrator is troubleshooting the OSPF configuration of routers R1 and R2.The routers cannot establish an adjacency relationship on their common Ethernet link.The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2.Based on the information in the graphic,what is the cause of this problem?()
Refer to the exhibit.How many broadcast domains exist in theexhibited topology?()
Refer to the exhibit.Which statement describes DLCI 17?()
問一個怎么樣的屬性,能讓路由不通告給任何的peer?