What are two ways to minimize the delay of VoIP packets that are traversing a network？（）A、Use WFQ， CBWFO， and LLO to prioritize delay-sensitive packetsB、Use WFO， CBWFO， and LLO to compress the payload.C、Give TCP packets priority over UDP packets.D、Use control plane policing for cRTP queuing.E、Use stacker and predictor to compress the payload.
What are two ways to minimize the delay of VoIP packets that are traversing a network？（）
- A、Use WFQ， CBWFO， and LLO to prioritize delay-sensitive packets
- B、Use WFO， CBWFO， and LLO to compress the payload.
- C、Give TCP packets priority over UDP packets.
- D、Use control plane policing for cRTP queuing.
- E、Use stacker and predictor to compress the payload.
相关考题：
Which two options are reasons for using traffic classification?() A.to use the classification to route trafficB.to use the classification to reorder packets from various sourcesC.to use the classification to discard malformed packetsD.to use the classification to provide the configured service level
What is the primary purpose for the classification of traffic in a router?() A.to use the classification to route trafficB.to use the classification to reorder packets from various sourcesC.to use the classification to discard malformed packetsD.to use the classification to provide the configured service level
What are two recommended ways of protecting network device configuration files from outside network security threats (Choose two.)()。 A.Allow unrestricted access to the console or VTY portsB.Use a firewall to restrict access from the outside to the network devicesC.Always use Telnet to access the device command line because its data is automatically encryptedD.Use SSH or another encrypted and authenticated transport to access device configurationsE.Prevent the loss of passwords by disabling password encryption
What are two recommended ways of protecting network device configuration files from outside network security threats (Choose two.)（）。A、Allow unrestricted access to the console or VTY portsB、Use a firewall to restrict access from the outside to the network devicesC、Always use Telnet to access the device command line because its data is automatically encryptedD、Use SSH or another encrypted and authenticated transport to access device configurationsE、Prevent the loss of passwords by disabling password encryption
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
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.
SDM creates a low latency queuing （LLO） service policy with its associated classes. What are the two types of low latency queuing available using the SDM OoS wizard？（）A、FIFO queuing， which provides a means to hold packets while they are waiting to exit an interfaceB、Priority queuing， which ensures a fixed amount of bandwidthC、Custom queuing （CO）， which provides a queuing tool that services all queues， even during times of congestionD、Bandwidth queuing， which ensures a minimum amount of bandwidthE、Weighted fair queuing （WFO）， which classifies packets based on flows
Which of these tools should you use to compress VoIP packets on a low-speed Frame Replay circuit?（）A、Cisco Proprietary payload compressionB、Predictor payload compressionC、RTP header compressionD、TCP header compression
What is the primary purpose for the classification of traffic in a router?（）A、to use the classification to route trafficB、to use the classification to reorder packets from various sourcesC、to use the classification to discard malformed packetsD、to use the classification to provide the configured service level
Which two statements regarding traceroute on JUNOS devices are correct?（）A、Traceroute transmits ICMP echo-request packets.B、Traceroute transmits UDP packets.C、Traceroute receives ICMP echo-reply packets.D、Traceroute receives ICMP port-unreachable packets.
Your Service Provider does not support Link Fragmentation and Interleave, but upstream serialization delay on your broadband link is affecting voice quality. Which two mitigation strategies are viable?（）A、Upgrade your residential broadband service to at least 768kbps uplink.B、Switch your home router to use PPP encapsulation.C、Use the ip tcp adjust-mss interface command.D、Employ QoS techniques to drop large data packets.E、Use traffic shaping to interrupt large data packets.
For delay sensitive traffic， what are the three best ways that are used to prevent packet loss？ （）A、 Compress payload.B、 Use header compression.C、 Increase link capacity.D、 Use random early detection.E、 Guarantee bandwidth to fragile flows.F、 Implement network-based application recognition.
When HSRP is configured on a network, which two of these items are provided, which are sharedbetween the routers that run HSRP? （）(Choose two.)A、TCP-based hello packetsB、the impact of flapping links if timers are too lowC、a shared single interfaceD、the ability to track serial interfacesE、UDP-based hello packets
What are two ways to minimize the delay of VoIP packets that are traversing a network？ （）A、 Use WFQ， CBWFQ， and LLQ to prioritize delay-sensitive packets.B、 Use WFQ， CBWFQ， and LLQ to compress the payload.C、 Give TCP packets priority over UDP packets.D、 Use control plane policing for cRTP queuing.E、 Use stacker and predictor to compress the payload.
Which QoS mechanisms can you use on a converged network to improve VoIP quality？（）A、The use of a queuing method that will give VoIP traffic strict priority over other trafficB、The use of RTP header compression for the VoIP trafficC、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
Which two statements about MPLS Label Distribution Protocol （LDP） are true？ （）A、LDP hello packets are sent to TCP 646.B、LDP session packets are sent to TCP 646.C、LDP session packets are sent to TCP 711.D、LDP hello packets are sent to TCP 711.E、LDP hello packets are sent to UDP 711.F、LDP hello packets are sent to UDP 646.
Which mechanism does OSPFv3 use when the router LSA is too big to be sent out？（）A、It relies on IPv6 to do the fragmenting.B、It splits the LS Update packet into smaller packets.C、It splits the LSA into smaller router LSA packets.D、It produces an error.
Which two options are reasons for using traffic classification?（）A、to use the classification to route trafficB、to use the classification to reorder packets from various sourcesC、to use the classification to discard malformed packetsD、to use the classification to provide the configured service level
You are configuring services to be discoverable. The services must be discoverable without relying on a central server. Client applications that consume the services are on a network segment that is separate from the network segment that the services are located on.A firewall blocks all TCP ports between the two network segments, but allows other protocols to pass through.You need to ensure that the client applications can discover the services. What should you do?（）A、Use ad-hoc discovery mode over HTTP.B、Use ad-hoc discovery mode over UDP.C、Use managed discovery mode over HTTP.D、Use managed discovery mode over UDP.
多选题What are two ways to minimize the delay of VoIP packets that are traversing a network？（）AUse WFQ， CBWFO， and LLO to prioritize delay-sensitive packetsBUse WFO， CBWFO， and LLO to compress the payload.CGive TCP packets priority over UDP packets.DUse control plane policing for cRTP queuing.EUse stacker and predictor to compress the payload.
多选题What are two ways to minimize the delay of VoIP packets that are traversing a network？ （）AUse WFQ， CBWFQ， and LLQ to prioritize delay-sensitive packets.BUse WFQ， CBWFQ， and LLQ to compress the payload.CGive TCP packets priority over UDP packets.DUse control plane policing for cRTP queuing.EUse stacker and predictor to compress the payload.
多选题Which QoS mechanisms can you use on a converged network to improve VoIP quality？（）AThe use of a queuing method that will give VoIP traffic strict priority over other trafficBThe use of RTP header compression for the VoIP trafficCThe proper classification and marking of the traffic as close to the source as possibleDThe use of 802.1QinQ trunking for VoIP trafficEThe use of WRED
多选题VOIP has been implemented at the main office of the Company network. Which two statements are true about voice packets in a LAN？（）AVoice carrier stream utilizes Real-Time Transport Protocol (RTP) to carry the audio/media portion of the VoIP communication.BVoice traffic data flow involves large volumes of large packets.CBecause a packet loss involves a small amount of data, voice traffic is less affected by packet losses than traditional data traffic is.DVoice packets are encapsulated in TCP segments to allow for proper sequencing during delivery.EVoice packets are very sensitive to delay and jitter.
单选题Which of these tools should you use to compress VoIP packets on a low-speed Frame Replay circuit?（）ACisco Proprietary payload compressionBPredictor payload compressionCRTP header compressionDTCP header compression
多选题Which three QoS mechanisms can be configured to improve VoIP quality on a converged network？（）AThe use of a queuing method that will give VoIP traffic strict priority over other trafficBThe use of RTP header compression for the VoIP traffic.CThe proper classification and marking of the traffic as close to the source as possibleDThe use of 802.1QinQ trunking for VoIP trafficEThe use of WRED for the VoIP traffic
多选题SDM creates a low latency queuing （LLO） service policy with its associated classes. What are the two types of low latency queuing available using the SDM OoS wizard？（）AFIFO queuing， which provides a means to hold packets while they are waiting to exit an interfaceBPriority queuing， which ensures a fixed amount of bandwidthCCustom queuing （CO）， which provides a queuing tool that services all queues， even during times of congestionDBandwidth queuing， which ensures a minimum amount of bandwidthEWeighted fair queuing （WFO）， which classifies packets based on flows
多选题Which two statements about MPLS Label Distribution Protocol （LDP） are true？ （）ALDP hello packets are sent to TCP 646.BLDP session packets are sent to TCP 646.CLDP session packets are sent to TCP 711.DLDP hello packets are sent to TCP 711.ELDP hello packets are sent to UDP 711.FLDP hello packets are sent to UDP 646.