A.automated alternate routing （AAR）
B.Cisco CallManager Attendant Console
C.real-time protocol （RTP）
D.Survivable Remote Site Telephony （SRST）
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A.Use the command ip nbar protocol-discovery to allow identification of stateful protocols. Use the command ip nbar port-map to attach the protocols to an interface.
B.Use the command match protocol rtp to allow identification of real-time audio and video traffic. Use thecommand ip nbar port-map to extend the NBAR functionality for well-known protocols to new port numbers.
C.Use the command match protocol to allow identification of stateful protocols. Use the command ip nbar port-map to attach the protocols to an interface.
D.Configure a traffic class. Configure a traffic policy. Attach the traffic policy to an interface.
E.Configure video streaming. Configure audio streaming. Attach the codec to an interface.
A.5
B.15
C.25
D.35
E.45
F.55
A.Over leased lines，use the multilink ppp command to reduce latency and jitter，and to create Distributed Link Fragmentation and interleaving.
B.Use the service-policy command to attach a traffic flow to an interface on the router.
C.Use the ip rsvp bandwidth command to set a strict upper limit on the bandwidth NBAR uses，and toguarantee admission of any flows.
D.Use the policy-map command to define one or more QoS policies （such as shaping，policing，and so on） to apply to traffic defined by a class map.
E.Use the random-detect dscp command to modify the default minimum and maximum thresholds for the DSCP value.
F.Use the class-map command to define one or more traffic classes by specifying the criteria by which traffic is classified.
A.Implementing DiffServ involves the configuration of RSVP.
B.Implementing IntServ allows QoS to be performed by configuring only the ingress and egress devices.
C.Implementing IntServ involves the utilization of RSVP.
D.Traffic should be classified and marked by the core network devices.
E.Traffic should be classified and marked as close to the edge of the network as possible.
A.CAC provides guaranteed voice quality on a link.
B.CAC artificially limits the number of concurrent voice calls.
C.CAC is used to control the amount of bandwidth that is taken by a call on a link.
D.CAC prevents oversubscription of WAN resources that is caused by too much voice traffic.
E.CAC allows an unlimited number of voice calls while severely restricting，if necessary，other forms of traffic.
F.CAC solves voice congestion problems by using QoS to give priority to UDP traffic.
最新試題
Which statement is true about the Call Admission Control （CAC） feature in VoIP networks？（）
In the design of a QoS solution， which two factors should be taken into consideration？（）
SDM creates a low latency queuing （LLQ） service policy with its associated classes. What are the two types of low latency queuing available using the SDM QoS wizard？（）
End-to-end QoS is maintained in the Cisco WLAN deployment model by utilizing what parameter in lieu of 802.1p？（）
Which two statements about the Wi-Fi Multimedia （WMM） standard are true？（）
Which two commands should be entered on a WLAN controller to remove any residual configuration？（）
Which Control Plane Policing （CoPP） statement is true？（）
For delay sensitive traffic， what are the three best ways that are used to prevent packet loss？ （）
Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）
Which two characteristics are common between traffic policing and traffic shaping？（）