单项选择题
Which Cisco IOS traffic-shaping mechanism statement is true？ （）
A.class-based policing is configured using the Modular QoS command-line （MQC）
B.only the Frame Relay traffic-shaping （FRTS） mechanism can interact with a Frame Relay network， adapting to indications of Layer2 congestion in the WAN links
C.Distributed Traffic Shaping （DTS） is configured with the police command under the policy map configuration
D.both Frame Relay traffic shaping （FRTS） and virtual IP （VIP）-based Distributed Traffic Shaping （DTS） have the ability to mark traffic
相关考题
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多项选择题
ForwhichtwonetworkproblemswouldQoSbeagoodsolution？（）
A.serialization delay
B.end-to-end delay
C.lack of bandwidth
D.inconsistent port costs
E.routing table convergence issues
F.poor file transfer rates -
多项选择题
Whichstatementistrueaboutthecomparisonofvoicetrafficwithvideotraffic？（）
A.video conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows
B.latency requirements are less stringent for video traffic than for voice traffic
C.video traffic is less sensitive to dropped packets than for voice traffic
D.video traffic requires the retransmission capabilities of TCP whereas voice uses UDP
E.video traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows
F.voice traffic requires the retransmission capabilities of TCP whereas video uses UDP -
单项选择题
Whichstatementistrueaboutthedigitaltoanalogconversionprocess？（）
A.the two steps of digital to analog conversion are decompression and reconstruction of the analog signal
B.the two steps of digital to analog conversion are decoding and filtering
C.the two steps of digital to analog conversion are decompression and filtering of the analog signal
D.the two steps of digital to analog conversion are quantization and decoding
