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In which three network technologies is traffic shaping used to prevent and manage congestion？ （）
- A、Asynchronous Transfer Mode （ATM）
- B、data-link switching （DLSw）
- C、Route Processor Redundancy （RPR）
- D、Frame Relay （FR）
- E、Metro Ethernet
- F、Multiprotocol Label Switching （MPLS）
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更多 “In which three network technologies is traffic shaping used to prevent and manage congestion？ （）A、Asynchronous Transfer Mode （ATM）B、data-link switching （DLSw）C、Route Processor Redundancy （RPR）D、Frame Relay （FR）E、Metro EthernetF、Multiprotocol Label Switching （MPLS）” 相关考题
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数据通信网包括以下哪些类型网络()。A.分组交换网B.帧中继(Frame Relay)网C.数字数据网(DDN)D.ATM(Asynchronous Transfer Mode)网E.IP网
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The methods used in Asynchronous Transfer Mode (ATM)are switch technology and(17)is used to describe this mode.A．cell exchangeB．message exchangeC．information exchangeD．packet exchange
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What are two functions associated with JUNOS software class of service?()
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ATM(Asynchronous Transfer Mode) technology combines connection oriented mechanism and (72) mechanismA.circuit switchingB.packet switchingC.message switchingD.voice switching
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Cisco IOS is the software used on the vast majority of Cisco Systems routers and current Cisco network switches. As a network administrator, you are required to configure MPLS on Cisco IOS. In such a situation,which three of the following steps are necessary to take?（）A. Start LDP.B. Enable CEF switching.C. Configure conditional label advertising.D. Enable label switching on frame mode interfaces.E. disable IP TTL propagationF. configure conditional label advertising
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Which three of the following steps are mandatory when configuring MPLS on Cisco IOS? ()(Choose three.)
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To ensure voice packets are kept within the Committed Information Rate (CIR) of a Frame Relay link, what should be used in the CPE?()
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ATM（Asynchronous Transfer Mode）technology combines connection oriented mechanism and （ ） mechanism.ATM（异步传输模式）技术结合了面向连接机制和（ ）分组交换机制。A.circuit switching电路转接
B.packet switching分组交换
C.message switching信息转换
D.voice switching声音转换
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ATM （Asynchronous Transfer Mode） technology combines connection oriented mechanism and （ ） mechanism.A.circuit switching
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Why is it appropriate to use conditional label advertising when deploying MPLS? （）A、to make CEF tables smallerB、to enable label switching on the frame mode interfaceC、to restrict MPLS availability to predefined time periodsD、to restrict label switching to a limited number of networksE、to restrict end users from seeing the routers in the MPLS network
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An alternative to plain old telephone service (POTS) would be:（）A、X.25.B、Asynchronous transfer mode (ATM).C、VoIP.D、Public Switched Telephone Network (PSTN).
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What are two functions associated with JUNOS software class of service?（）A、Manage ingress bandwidth.B、Mark packets for special handling.C、Manage congestion by intelligently dropping traffic.D、Classify Frame Relay QoS packets into an equivalent IP CoS environment.
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To ensure voice packets are kept within the Committed Information Rate (CIR) of a Frame Relay link, what should be used in the CPE?（）A、prioritizationB、classificationC、fragmentationD、traffic shaping
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Which three statements about L2TPv3 are true？（）A、L2TPv3 Frame Relay support includes only 32-bit DLCI addressingB、L2TPv3 sessions do not support Frame Relay LMI interworkingC、Multipoint DLCI is not supportedD、To use DCE or a Network-to-Network Interface on a Frame Relay port， you must configure the frame-relay switching commandE、L2TPv3 feature does not support Frame Relay extended addressing
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Which three of the following steps are mandatory when configuring MPLS on Cisco IOS? （）(Choose three.)A、start LDPB、enable CEF switchingC、configure the MPLS IDD、disable IP TTL propagationE、configure conditional label advertisingF、enable label switching on frame mode interfaces
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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 linksC、Distributed Traffic Shaping （DTS） is configured with the police command under the policy map configurationD、both Frame Relay traffic shaping （FRTS） and virtual IP （VIP）-based Distributed Traffic Shaping （DTS） have the ability to mark traffic
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Which three MPLS statements are true？（）A、Cisco Express Forwarding （CEF） must be enabled as a prerequisite to running MPLS on a Cisco router.B、Frame-mode MPLS inserts a 32-bit label between the Layer 3 and Layer 4 headers.C、MPLS is designed for use with frame-based Layer 2 encapsulation protocols such as Frame Relay， but is not supported by ATM because of ATM fixed-length cells.D、OSPF， EIGRP， IS-IS， RIP， and BGP can be used in the control plane.E、The control plane is responsible for forwarding packets.F、The two major components of MPLS include the control plane and the data plane.
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What are two functions associated with JUNOS software class of service？（）A、Log incoming traffic.B、Manage ingress bandwidth.C、Mark packets for special handling.D、Manage congestion by intelligently dropping traffic.E、Classify Frame Relay QoS packets into an equivalent OP CoS environment.
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What is a Label-Switched Path?（）A、a traffic engineered pathB、another name for a Frame Relay PVCC、a bidirectional path through a networkD、a unidirectional path through a network
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多选题You work as a network technician. Your boss is interested in the QoS technology in the context ofvideo traffic. What can be said of application of this technology in this type of network？（）AThe access layer is the initial point at which traffic enters the network. Traffic is marked （orremarked） at Layers 2 and 3 by the access switch as it enters the network， or is trusted that it isentering the network with the appropriate tagBNo traffic marking occurs at the core layer. Layer 2/3 QoS tags are trusted from distributionlayer switches and used to prioritize and queue the traffic as it traverses the coreCTraffic inbound from the access layer to the distribution layer can be trusted or reset dependingupon the ability of the access layer switches. Priority access into the core is provided based onLayer 3 QoS tagsDIP precedence， DSCP， QoS group， IP address， and ingress interface are Layer 2 characteristics that are set by the access layer as it passes traffic to the distribution layer. Thedistribution layer， once it has made a switching decision to the core layer， strips these offEMAC address， Multiprotocol Label Switching （MPLS）； the ATM cell loss priority （CLP） bit， theFrame Relay discard eligible （DE） bit， and ingress interface are established by the voicesubmodule （distribution layer） as traffic passes to the core layerFThe distribution layer inspects a frame to see if it has exceeded a predefined rate of trafficwithin a certain time frame， which is typically a fixed number internal to the switch. If a frame isdetermined to be in excess of the predefined rate limit， the CoS value can be marked up in a waythat results in the packet being dropped
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单选题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 linksC
Distributed Traffic Shaping （DTS） is configured with the police command under the policy map configurationD
both Frame Relay traffic shaping （FRTS） and virtual IP （VIP）-based Distributed Traffic Shaping （DTS） have the ability to mark traffic
考题
多选题Which three of the following steps are mandatory when configuring MPLS on Cisco IOS? （）(Choose three.)Astart LDPBenable CEF switchingCconfigure the MPLS IDDdisable IP TTL propagationEconfigure conditional label advertisingFenable label switching on frame mode interfaces
考题
单选题Why is it appropriate to use conditional label advertising when deploying MPLS?（）A
to make CEF tables smallerB
to enable label switching on the frame mode interfaceC
to restrict MPLS availability to predefined time periodsD
to restrict label switching to a limited number of networksE
to restrict end users from seeing the routers in the MPLS network
考题
多选题In which three network technologies is traffic shaping used to prevent and manage congestion？ （）AAsynchronous Transfer Mode （ATM）Bdata-link switching （DLSw）CRoute Processor Redundancy （RPR）DFrame Relay （FR）EMetro EthernetFMultiprotocol Label Switching （MPLS）
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多选题Cisco IOS is the software used on the vast majority of Cisco Systems routers and current Cisco network switches. As a network administrator, you are required to configure MPLS on Cisco IOS. In such a situation, which three of the following steps are necessary to take?（）AStart LDP.BEnable CEF switching.CConfigure conditional label advertising.DEnable label switching on frame mode interfaces.Edisable IP TTL propagationFconfigure conditional label advertising
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