Which two QoS classification and marking statements are true？（）A、 In a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.B、 In an MPLS network， the three most significant bits of the DSCP or the IP precedence of the

题目

Which two QoS classification and marking statements are true？（）

  • A、 In a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.
  • B、 In an MPLS network， the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP field
  • C、 In an MPLS network， the MPLS EXP bits are used to identify up to 16 CoS values.
  • D、 The differentiated services code point （DSCP） field consists of the first three bits of the IP precedence field in the header of an IP packet.
  • E、 The 802.10 standard uses a three bitfield referred to as the user priority bits （PRI） to mark packets as belonging to a specific CoS.
相似考题

1.Which two configurations are made using the QoS Setup Wizard? ()(Choose two.)A. Assign applications to traffic classes.B. Use ToS/DSCP values for traffic classes.C. Exclude subnets from QoS management.D. Select dedicated vs. over-subscribed circuits.

2.Which two conditions will cause switch－to－wire to occur? ()(Choose two.)A. loss of powerB. QoS congestionC. software failure occuredD. WX device exceeded its license speedE. traffic does not match application definiton

3.Which two settings must be configured in order to use the GUI to configure Call Admission Control with voice applications?()A. QoS must be set to PlatinumB. WMM must be enabledC. QoS must be set to GoldD. TSPEC must be disabledE. Cisco Compatible Extensions must be disabled

4.Which two queuing methods are supported by outbound QoS?() (Choose two.)A. weighted fair priorityB. weighted fair queuingC. weighted strict priorityD. weighted strict queuing

参考答案和解析
正确答案:B,E
更多“Which two QoS ”相关问题

  • 第1题：

    Which two Cisco AutoQoS configuration statements are true？ （）

    • A、the auto discovery qos command is supported on serial interfaces， subinterfaces， and virtual interfaces
    • B、CEF must be enabled before configuring the auto discovery qos command
    • C、the auto discovery qos privilege EXEC command must be configured on a router for several days to collect a sampling of data traffic
    • D、the auto qos trust command relies on NBAR to provide VoIP classification
    • E、the auto qos voip command configures the voip classification on routers and switches

    正确答案:B,E

  • 第2题：

    Cisco Catalyst 4500 Series switches are attractive to medium-size campuses with growth opportunities due to the switches enhanced security and which two other features？ （）

    • A、 enhanced multilayer software image
    • B、 connectivity to multiple types of WAN connections
    • C、 Cisco Unified Communications Manager
    • D、 QoS for converged networks
    • E、 modular， customizable components

    正确答案:D,E

  • 第3题：

    Which two settings must be configured in order to use the GUI to configure Call Admission Controlwith voice applications？ （）

    • A、 QoS must be set to Platinum
    • B、 WMM must be enabled
    • C、 QoS must be set to Gold
    • D、 TSPEC must be disabled
    • E、 Cisco Compatible Extensions must be disabled

    正确答案:A,B

  • 第4题：

    Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true？（）

    • A、the SDM QoS wizard will create two real-time traffic classes to handle VoIP， voice signaling， and video packets
    • B、the SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， video， and video packets
    • C、the SDM QoS wizard will create four real-time traffic classes to handle VoIP， voice signaling， video， and video streaming packets
    • D、the SDM QoS wizard will create two business-critical traffic classes to handle transactional and  network management packets
    • E、the SDM QoS wizard will create three business-critical traffic classes to handle transactional， network management， and routing packets
    • F、the SDM QoS wizard will create four business-critical traffic classes to handle transactional， network management， routing， and best-effort packets

    正确答案:A,E

  • 第5题：

    QoS refers to the ability of a network to provide improved service， over various underlying technologies， to select network traffic. Which two traits are inherent to QoS？（）

    • A、 reference to network ability to provide improved service to all network traffic
    • B、 reduction in delay， jitter， and packet loss
    • C、 equal handling of all packets
    • D、 support for real-time applications
    • E、 best-effort actions

    正确答案:A,B

  • 第6题：

    You need to determine where the trust boundaries will be in a new Company VOIP design.  Which  two statements are true about these trust boundaries？（）

    • A、Trust boundaries are configured in the core of the network to provide the most efficient  forwarding based upon QoS markings，
    • B、Setting trust boundaries at the edge of the network allows intermediate hop devices to  administer QoS policies without detailed packet identification.
    • C、Trust boundaries are used to determine which QoS mechanism will be applied to the traffic.  
    • D、At the trust boundaries， the untrusted traffic will be marked with a new QoS value appropriate  for the policy in place at the point where the traffic entered the campus network.  
    • E、Trust boundaries define the firewall rules for QoS admission into a network.

    正确答案:B,D

  • 第7题：

    Which two statements are true about the implementation of QoS？ （）

    • 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.

    正确答案:C,E

  • 第8题：

    Which two conditions will cause switch-to-wire to occur? （）(Choose two.)

    • A、loss of power
    • B、QoS congestion
    • C、software failure occured
    • D、WX device exceeded its license speed
    • E、traffic does not match application definiton

    正确答案:A,C

  • 第9题：

    多选题
    Which two configurations are made using the QoS Setup Wizard?（） (Choose two.)
    A

    Assign applications to traffic classes.

    B

    Use ToS/DSCP values for traffic classes.

    C

    Exclude subnets from QoS management.

    D

    Select dedicated vs. over-subscribed circuits


    正确答案： B,D
    解析： 暂无解析

  • 第10题：

    多选题
    Which two statements about the DiffServ QoS model are true？（）
    A

    DiffServ requires RSVP to set up a path through the network to accommodate the requested QoS.

    B

    Network traffic is identified by class， and the level of service is chosen for each class.

    C

    The DiffServ model relies on a fairly simple mechanism to provide QoS over a wide range of equipment.

    D

    RSVP enables the DiffServ model to provide end-to-end QoS.

    E

    The DiffServ model is more scalable than the IntServ model.

    F

    The flow-based approach of the DiffServ model is ideal for large scalable implementations such as the public Internet.


    正确答案： C,B
    解析： 暂无解析

  • 第11题：

    多选题
    The Cisco SDM will create a QoS policy that provides services to two types of traffic. Which two statements indicate the default QoS parameters that are created by SDM？（）
    A

    Business-critical traffic will be sorted into two QoS classes.

    B

    Real-time traffic will be sorted into one QoS class.

    C

    Voice traffic will be considered real-time traffic while call signaling will be considered business-critical.

    D

    All traffic except real-time will be considered best-effort.

    E

    Routing， management， and transactional traffic will be considered business-critical.

    F

    Voice and call signaling traffic will be considered real-time.


    正确答案： F,D
    解析： 暂无解析

  • 第12题：

    多选题
    Which two queuing methods are supported by outbound QoS?（） (Choose two.)
    A

    weighted fair priority

    B

    weighted fair queuing

    C

    weighted strict priority

    D

    weighted strict queuing


    正确答案： B,C
    解析： 暂无解析

  • 第13题：

    Which two statements correctly describe a Cisco WLC configuration of Wireless > QoS > Profiles >Wired_QoS_Profiles for an implementation of DSCP or CoS deployment?（）

    • A、It must always be set on all QoS profile types because this sets the type of markings as either CoS or DSCP.
    • B、It is optional if the Cisco WLC attached switch operates on a trust DSCP model.
    • C、It must be set if the Cisco WLC attached switch operates on a trust CoS model.
    • D、It sets the EDCF queue used for the radio-transmitted frames.

    正确答案:B,C

  • 第14题：

    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？（）

    • A、 FIFO queuing， which provides a means to hold packets while they are waiting to exit an interface
    • B、 Priority queuing， which ensures a fixed amount of bandwidth
    • C、 Custom queuing （CQ）， which provides a queuing tool that services all queues， even during times of congestion
    • D、 Bandwidth queuing， which ensures a minimum amount of bandwidth
    • E、 Weighted fair queuing （WFQ）， which classifies packets based on flows

    正确答案:B,D

  • 第15题：

    What are two steps needed to define a QoS policy for a traffic class？（）

    • A、 Determine a minimum bandwidth guarantee.
    • B、 Determine interfaces to which to apply policy.
    • C、 Assign priorities to the class.
    • D、 Configure access control lists.

    正确答案:A,C

  • 第16题：

    Which two statements about the DiffServ QoS model are true？（）

    • A、DiffServ requires RSVP to set up a path through the network to accommodate the requested QoS.
    • B、Network traffic is identified by class， and the level of service is chosen for each class.
    • C、The DiffServ model relies on a fairly simple mechanism to provide QoS over a wide range of equipment.
    • D、RSVP enables the DiffServ model to provide end-to-end QoS.
    • E、The DiffServ model is more scalable than the IntServ model.
    • F、The flow-based approach of the DiffServ model is ideal for large scalable implementations such as the public Internet.

    正确答案:B,E

  • 第17题：

    For which two network problems would QoS be a good solution？（）

    • 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

    正确答案:B,C

  • 第18题：

    Which two statements about the QoS functionality of the Cisco SDM are true？（）

    • A、the first step when using the SDM QoS wizard is to select the inbound interface on which the QoS policy must be applied
    • B、the SDM QoS wizard can be used to optimize LAN， WAN， and VPN interfaces
    • C、he SDM QoS wizard supports network-based application recognition （NBAR） to provide deep and stateful packet inspection
    • D、he SDM QoS wizard will apply custom queuing and priority queuing policies to the identified interfaces
    • E、he SDM QoS wizard will apply low latency-queuing，custom-queuing and priority-queuing policies to the identified interfaces
    • F、to create and manage the QoS settings， the user must select the QoS wizard task under the Monitor option

    正确答案:B,C

  • 第19题：

    Which two metrics does the Executive report summarize? （）(Choose two.)

    • A、QoS statistics
    • B、WAN performance
    • C、acceleration statistics
    • D、compression statistics

    正确答案:B,D

  • 第20题：

    多选题
    Which two Cisco AutoQoS configuration statements are true？ （）
    A

    the auto discovery qos command is supported on serial interfaces， subinterfaces， and virtual interfaces

    B

    CEF must be enabled before configuring the auto discovery qos command

    C

    the auto discovery qos privilege EXEC command must be configured on a router for several days to collect a sampling of data traffic

    D

    the auto qos trust command relies on NBAR to provide VoIP classification

    E

    the auto qos voip command configures the voip classification on routers and switches


    正确答案： E,C
    解析： 暂无解析

  • 第21题：

    多选题
    Which two statements are true about the various methods of implementing QoS？（）
    A

    Cisco AutoQoS can be used repeatedly to apply a single QoS policy to multiple interfaces.

    B

    Cisco AutoQoS includes an optional web-based GUI for automating the configuration of QoS services.

    C

    Cisco AutoQoS provides capabilities to automate VoIP deployments.

    D

    The auto qos global configuration command is used to configure Cisco AutoQoS.

    E

    The Modular QoS CLI （MQC） is the best way to fine tune QoS configurations.

    F

    The SDM QoS wizard is the fastest way to implement QoS.


    正确答案： C,F
    解析： 暂无解析

  • 第22题：

    多选题
    For which two network problems would QoS be a good solution？（）
    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


    正确答案： A,B
    解析： 暂无解析

  • 第23题：

    多选题
    Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true？ （）
    A

    The SDM QoS wizard will create two real-time traffic classes to handle VoIP and voice signaling packets.

    B

    The SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， and video packets.

    C

    The SDM QoS wizard will create four real-time traffic classes to handle VoIP， voice signaling， video， and video streaming packets.

    D

    The SDM QoS wizard will create two business-critical traffic classes to handle transactional and network management packets.

    E

    The SDM QoS wizard will create three business-critical traffic classes to handle transactional， network management， and routing packets.

    F

    The SDM QoS wizard will create four business-critical traffic classes to handle transactional， network management， routing， and best-effort packets.


    正确答案： C,F
    解析： 暂无解析

  • 第24题：

    多选题
    Which two statements correctly describe a Cisco WLC configuration of Wireless > QoS > Profiles >Wired_QoS_Profiles for an implementation of DSCP or CoS deployment?（）
    A

    It must always be set on all QoS profile types because this sets the type of markings as either CoS or DSCP.

    B

    It is optional if the Cisco WLC attached switch operates on a trust DSCP model.

    C

    It must be set if the Cisco WLC attached switch operates on a trust CoS model.

    D

    It sets the EDCF queue used for the radio-transmitted frames.


    正确答案： D,B
    解析： 暂无解析

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