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Which three QoS mechanisms can be configured to improve VoIP quality on a converged  network?()

  • A、The use of a queuing method that will give VoIP traffic strict priority over other traffic  
  • B、The use of RTP header compression for the VoIP traffic.
  • C、The proper classification and marking of the traffic as close to the source as possible
  • D、The use of 802.1QinQ trunking for VoIP traffic
  • E、The use of WRED for the VoIP traffic

参考答案

更多 “Which three QoS mechanisms can be configured to improve VoIP quality on a converged  network?()A、The use of a queuing method that will give VoIP traffic strict priority over other traffic  B、The use of RTP header compression for the VoIP traffic.C、The proper classification and marking of the traffic as close to the source as possibleD、The use of 802.1QinQ trunking for VoIP trafficE、The use of WRED for the VoIP traffic” 相关考题
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考题 Which three statements are true about the application of QoS models? ()A、 The DiffServ model requires applications to signal the network with QoS requirements.B、 The DiffServ model can be used to deliver QoS based upon IP precedence, or source and destination addresses.C、 The DiffServ model requires RSVP.D、 The best effort model is suitable for applications such as file transfer and e-mailE、 The IntServ model requires applications to signal the network with QoS requirements.F、 The IntServ model attempts to deliver a level of service based on the QoS specified by each packet

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考题 The Cisco NAC Appliance is able to check which three items before allowing network access?()A、 client antivirus software stateB、 personal firewall settingsC、 wireless cell bandwidth availabilityD、 IOS versions for routers and switchesE、 appropriate client patch management levelF、 appropriate QoS settings for client application

考题 You need to configure a new Cisco router to be installed in the Company VOIP network.  Which  three interface commands will configure the switch port to support a connected Cisco phone and  to trust the CoS values received on the port if CDP discovers that a Cisco phone is attached? ()A、switchport voice vlan vlan-idB、mls qos trust device cisco-phoneC、switchport priority extend cos_valueD、mls qos trust cosE、mls qos trust override cos

考题 多选题Which three traffic descriptors are typically used as QoS markings for packets or frames entering the network?()Aprotocol typeBCoSCDSCPDIP precedenceEdestination addressFinput interface

考题 多选题The Cisco NAC Appliance is able to check which three items before allowing network access?()Aclient antivirus software stateBpersonal firewall settingsCwireless cell bandwidth availabilityDIOS versions for routers and switchesEappropriate client patch management levelFappropriate QoS settings for client application Answer:

考题 多选题The Cisco NAC Appliance is able to check which three items before allowing network access?()Aclient antivirus software stateBpersonal firewall settingsCwireless cell bandwidth availabilityDIOS versions for routers and switchesEappropriate client patch management levelFappropriate QoS settings for client application

考题 多选题Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true? ()AThe SDM QoS wizard will create two real-time traffic classes to handle VoIP and voice signaling packets.BThe SDM QoS wizard will create three real-time traffic classes to handle VoIP, voice signaling, and video packets.CThe SDM QoS wizard will create four real-time traffic classes to handle VoIP, voice signaling, video, and video streaming packets.DThe SDM QoS wizard will create two business-critical traffic classes to handle transactional and network management packets.EThe SDM QoS wizard will create three business-critical traffic classes to handle transactional, network management, and routing packets.FThe SDM QoS wizard will create four business-critical traffic classes to handle transactional, network management, routing, and best-effort packets.

考题 多选题Which three statements are true about the application of QoS models? ()AThe DiffServ model requires applications to signal the network with QoS requirements.BThe DiffServ model can be used to deliver QoS based upon IP precedence, or source and destination addresses.CThe DiffServ model requires RSVP.DThe best effort model is suitable for applications such as file transfer and e-mailEThe IntServ model requires applications to signal the network with QoS requirements.FThe IntServ model attempts to deliver a level of service based on the QoS specified by each packet

考题 多选题The Cisco AutoQoS feature is being used throughout the Company VOIP network.  Which three  statements about this feature are true?()AThe mls qos global configuration command must be entered before configuring AutoQoS.BCEF must be enabled.CThe no auto qos voip command is used to disable Cisco AutoQos and revoke all  configurations generated by Cisco AutoQos.DCDP must be enabled.ESNMP must be enabled.

考题 多选题Which three statements are true about the appliance of QoS models?()Athe DiffServ model requires applications to signal the network with QoS requirementsBthe DiffServ model can be used to deliver QoS based upon IP precedence, or source and destination addressesCthe DiffServ model requires RSVPDthe best effort model is suitable for applications such as file transfer and e-mailEthe IntServ model requires applications to signal the network with QoS requirementsFthe IntServ model model attempts to deliver a level of service based on the QoS specified by each packet

考题 多选题You need to configure a new Cisco router to be installed in the Company VOIP network.  Which  three interface commands will configure the switch port to support a connected Cisco phone and  to trust the CoS values received on the port if CDP discovers that a Cisco phone is attached? ()Aswitchport voice vlan vlan-idBmls qos trust device cisco-phoneCswitchport priority extend cos_valueDmls qos trust cosEmls qos trust override cos

考题 多选题Which three of the following network features are methods used to achieve high availability?()ASpanning Tree Protocol (STP)BDelay reductionCHot Standby Routing Protocol (HSRP)DDynamic routing protocolsEQuality of Service (QoS)FJitter management

考题 多选题Cisco AutoQoS takes the interface type and bandwidth into consideration when configuring which three QoS features?()Avoice compression methodologyBLLQCCRTPDrouting protocolELFIFtrust boundary

考题 多选题Which three characteristics of the traffic flow are taken into consideration when the QoS-for-VPNs feature (QoS pre-classify) provides packet classification and applies appropriate QoS service on tunnel interfaces?()AIP precedence bitsBDSCP bitsCoriginal port numbersDDE bitsEsource IP addressFdestination IP address

考题 多选题Which three WLC items are required to properly enable queuing with TSPEC for voice traffic?()Aconfigure WLAN setting to enable WMMBconfigure WLAN Aironet information elements enabledCconfigure global 802.11b/g or 802.11a,or both,voice CACDconfigure WLAN QoS PlatinumEconfigure DTIM = 2