Which MQC-based output queueing method is designed to support multiple traffic classes including VoIPtraffic， mission-critical traffic， bulk traffic， interactive traffic and default class traffic？（）A、Custom QueueingB、CB-WREDC、WRR QueueingD、LLQE、CBWFQ
Which MQC-based output queueing method is designed to support multiple traffic classes including VoIPtraffic， mission-critical traffic， bulk traffic， interactive traffic and default class traffic？（）
- A、Custom Queueing
- B、CB-WRED
- C、WRR Queueing
- D、LLQ
- E、CBWFQ
相关考题：
Assuming both paths shown in the exhibit are available, which statement is correct?() A. Traffic matching the default route will use 10.1.1.1 as the next hop.B. Traffic matching the default route will use 10.1.1.254 as the next hop.C. Traffic matching the default route will be load-balanced per packet across both next hops.D. Traffic matching the default route will be load-balanced per flow across both next hops.
Users at the Charleville Company began experiencing high network delays when Internet connectivity was enabled for all users. After investigating the traffic flow, you determine that peerto-peer traffic from a music download site is consuming a large amount of bandwidth. Which QoS mechanism can you implement to improve the network response time?（）A. Use CBWFQ to queue the peer-to-peer traffic into the default traffic class.B. Use class-based WRED to randomly drop the peer-to-peer traffic during network congestions.C. Use class-based policing to limit the peer-to-peer traffic rate.D. Use class-based shaping to delay any excessive peer-to-peer traffic. Answer: C
What is the difference between the Ethanalyzer and the SPAN feature in Cisco NX-OS？（）A、 The Ethanalyzer captures control-plane traffic， while SPAN captures all traffic.B、 The Ethanalyzer captures all traffic including control-plane traffic， while SPAN captures only the control-plane traffic.C、 The Ethanalyzer captures only data traffic， while SPAN captures all traffic.D、 The Ethanalyzer captures only control traffic， while SPAN captures data traffic.
Which two statements are true about traffic shaping and traffic policing？（）A、both traffic shaping and traffic policing cause retransmissions of connection-oriented protocols such as TCPB、both traffic shaping and traffic policing support the marking and re-marking of trafficC、the effects of traffic shaping and traffic policing when configured on a router are applied to outgoing trafficD、traffic shaping queues excess traffic whereas traffic policing discards excess trafficE、traffic shaping allows the traffic to exceed the bit rate whereas traffic policing prevents the traffic from exceeding the bit rate
When Cisco SDM is used to generate QoS policy， various QoS classes will be created and assigned a percentage of the interface bandwidth. Which three statements indicate the default bandwidth values that are assigned by SDM for outgoing traffic on a WAN interface？ （）A、 Voice traffic will be assigned 47% of the interface bandwidth.B、 Voice call signaling will be assigned 33% of the interface bandwidth.C、 Telnet， SSH， and other traffic that is generated to manage the router is assigned 5% of the interface bandwidth.D、 Best-effort traffic will be assigned 38% of the interface bandwidth.E、 Routing protocol traffic will be assigned 5% of the interface bandwidth.F、 Transactional traffic will be assigned 5% of the interface bandwidth.
Which descriptions of Netflow is correct？（）A、By default，Netflow records bidirectional IP traffic flow.B、Netflow answers questions regarding IP traffic：who，what，where，when，and howC、Netflow accounts for both transit traffic and traffic destined for the router.D、Netflow returns the subinterface information in the flow records.
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 statement best describes Cisco IOS Zone-Based Policy Firewall？（）A、A router interface can belong to multiple zones.B、Policy maps are used to classify traffic into different traffic classes， and class maps are used to assignaction to the traffic classes.C、The pass action works in only one directionD、A zone-pair is bidirectional because it specifies traffic flowing among the interfaces within the zone-pair in both directions.
In Multicast VPN （MVPN） implementations， which two of the following statements are regarding the DefaultMDT Group？（）A、It is used for PIM control trafficB、It is optionally configured for a high bandwidth multicast source to reduce multicast traffic replication to uninterested PE routersC、Within the VPF configuration in the PE router， multiple Default MDT groups are configured so each VPF can support multiple multicast sourcesD、There is a reduced multicast state in the MPLS core P routersE、When multicast traffic exceeds a certain configured threshold， traffic from the Data MDT is switched to the Default MDT to conserve bandwidth
What is meant by the term "firewall sandwich"？（）A、multiple layers of firewallingB、a method of operating firewalls from multiple vendorsC、firewall connections in either an active or standby stateD、an architecture in which all traffic between firewalls goes through application-specific serversE、an architecture in which all traffic between firewalls goes through application-specific gateways
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.
Which Modular QoS CLI （MQC） based output queuing method is designed to support multiple trafficclasses including VoIP traffic， mission-critical traffic， interactive traffic， and default class traffic？（）A、CBWFQB、CB-WREDC、LLQD、Custom QueueingE、WRR Queueing
Which statement describes the behavior of a security policy？（）A、The implicit default security policy permits all traffic.B、Traffic destined to the device itself always requires a security policy.C、Traffic destined to the device’s incoming interface does not require a security policy.D、The factory-default configuration permits all traffic from all interfaces.
As an experienced network administrator, you are asked to troubleshoot a QoS problem. In which way might the Cisco NetFlow be helpful during the troubleshooting process?（）A、NetFlow can discover the protocols in use and automatically adjust QoS traffic classes to meet policy-map requirements.B、NetFlow records can be used to understand traffic profiles per class of service for data, voice, and video traffic.C、NetFlow can be configured to identify voice and video traffic flows and place them into a low-latency queue for expedited processing.D、NetFlow can report on the number of traffic matches for each class map in a configured QoS policy configuration.
What are the differences between LLQ and CBWFQ？（）A、LLQ supports the addition of strict priority queuingB、With LLQ， bandwidth allocations for the priority queue and all the CBWFQ queues areconfigured using the priority commandC、LLQ is configured using MQC and CBWFQ is configured using the fair-queue commandD、LLQ priority queue bandwidth is policed with a congestion aware policerE、LLQ does not support WFQ on the default traffic class （class-default）
Which of the following is the purpose of QoS?（）A、Load balance traffic across multiple LAN and WAN links.B、Increase speed of network traffic.C、Classify, mark, and prioritize traffic on WAN and LAN linksD、Guarantee traffic delivery.
Which statement describes exception traffic?（）A、Exception traffic must be sent to the PFE for processing.B、Exception traffic enters one ingress port and is sent out multiple egress ports.C、Exception traffic is rate-limited on the internal link to prevent DoS attacks.D、Exception traffic is processed after forwarding traffic when congestion exists.
Which class-of-service component allows you to define the bandwidth allocated to different traffic types?（）A、classificatoinB、rewrite markingC、schedulingD、queueing
By default, if equal-cost paths exist for the same destination, which action will the router take?（）A、Drop half the traffic.B、Make a copy of the traffic and send it to both destinations.C、Load-balance traffic between the available paths.D、Randomly select one of the available paths to send traffic.
What are two purposes of a forwarding class?（）A、to rewrite the ToS bits in the IP headerB、to classify trafficC、to identify traffic that should receive commom treatmentD、to assign traffic to output queues
What are two purposes of a forwarding class?（）A、to identify traffic that should be droppedB、to classify trafficC、to identify traffic that should receive common treatmentD、to assign traffic to output queues
多选题What are two purposes of a forwarding class?（）Ato identify traffic that should be droppedBto classify trafficCto identify traffic that should receive common treatmentDto assign traffic to output queues
多选题When Cisco SDM is used to generate QoS policy， various QoS classes will be created and assigned a percentage of the interface bandwidth. Which three statements indicate the default bandwidth values that are assigned by SDM for outgoing traffic on a WAN interface？ （）AVoice traffic will be assigned 47% of the interface bandwidth.BVoice call signaling will be assigned 33% of the interface bandwidth.CTelnet， SSH， and other traffic that is generated to manage the router is assigned 5% of the interface bandwidth.DBest-effort traffic will be assigned 38% of the interface bandwidth.ERouting protocol traffic will be assigned 5% of the interface bandwidth.FTransactional traffic will be assigned 5% of the interface bandwidth.
多选题Which two statements are true about traffic shaping and traffic policing？（）Aboth traffic shaping and traffic policing cause retransmissions of connection-oriented protocols such as TCPBboth traffic shaping and traffic policing support the marking and re-marking of trafficCthe effects of traffic shaping and traffic policing when configured on a router are applied to outgoing trafficDtraffic shaping queues excess traffic whereas traffic policing discards excess trafficEtraffic shaping allows the traffic to exceed the bit rate whereas traffic policing prevents the traffic from exceeding the bit rate
单选题Which MQC-based output queueing method is designed to support multiple traffic classes including VoIPtraffic， mission-critical traffic， bulk traffic， interactive traffic and default class traffic？（）ACustom QueueingBCB-WREDCWRR QueueingDLLQECBWFQ
单选题Which statement best describes Cisco IOS Zone-Based Policy Firewall？（）AA router interface can belong to multiple zones.BPolicy maps are used to classify traffic into different traffic classes， and class maps are used to assignaction to the traffic classes.CThe pass action works in only one directionDA zone-pair is bidirectional because it specifies traffic flowing among the interfaces within the zone-pair in both directions.
单选题Which Modular QoS CLI （MQC） based output queuing method is designed to support multiple trafficclasses including VoIP traffic， mission-critical traffic， interactive traffic， and default class traffic？（）ACBWFQBCB-WREDCLLQDCustom QueueingEWRR Queueing