网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
To provide quality of service （QoS） for voice traffic in an IEEE 802.1 q network， which class of service （CoS） value should be used in the 3-bit， user priority bits （PRI） field？ （）
A
The PRI field should contain the Cos value of 010
B
The PRI field should contain the Cos value of 011
C
The PRI field should contain the Cos value of 100
D
The PRI field should contain the Cos value of 101
E
The PRI field should contain the Cos value of 110
F
The PRI field should contain the CoS value of 111
参考答案
参考解析
解析：
暂无解析
更多 “单选题To provide quality of service （QoS） for voice traffic in an IEEE 802.1 q network， which class of service （CoS） value should be used in the 3-bit， user priority bits （PRI） field？ （）A The PRI field should contain the Cos value of 010B The PRI field should contain the Cos value of 011C The PRI field should contain the Cos value of 100D The PRI field should contain the Cos value of 101E The PRI field should contain the Cos value of 110F The PRI field should contain the CoS value of 111” 相关考题
考题
When designing a converged network, which measures can be taken at the building access layer to help eliminate latency and ensure end－to－end quality of service can be maintained? ()
A. rate limit voice trafficB. configure spanning-tree for fast link convergenceC. isolate voice traffic on separate VLANsD. classify and mark traffic close to the source
考题
What can be used to maintain the voice quality on a link by limiting the number of calls that can be active at any given time？（）A、 Call Management Link AgentB、 Traffic policingC、 Call Admission ControlD、 QoS Link Congestion ManagementE、 Oversubscription Link Detection
考题
Which two QoS statements are true about the use of the SDM QoS wizard？（）A、Business-critical traffic includes VoIP and voice signaling packets.B、SDM can be used to configure a basic QoS policy for incoming traffic on WAN interfaces and IPsec tunnels.C、SDM can provide QoS for real-time traffic and business-critical traffic.D、SDM creates a custom-queuing （CQ） or a priority-queuing （PQ） policy.E、SDM creates a low latency queuing （LLQ） service policy with its associated classes.F、When allocating bandwidth， values can be entered in either bandwidth percentage or kilobytes per second （kBps）.
考题
What two steps need to be taken in deploying AutoQoS for enterprise on routers？（）A、provide visibility into the classes of service deployed using system logging and SNMP trapsB、determine WAN settings for fragmentation， compression， encapsulation， and Frame Relay-ATM interworkingC、enable the AutoQoS VoIP for voice trafficD、generate and deploy MQC-based QoS policiesE、profile the traffic with Auto-Discovery
考题
What are two benefits of control plane policing？（）A、protection against denial of service （DoS） attacks at infrastructure routers and switchesB、 protection against known worm attacks in routers and switchesC、quality of service （QoS） control for packets that are sourced from the data plane of Cisco routers and switchesD、quality of service control （QoS） for packets that are destined to the control plane of Cisco routers and switchesE、quality of service （QoS） control for packets that are destined to the data plane of Cisco routers and switches
考题
The Company is rolling out Cisco’s Architecture for Voice， Video and Integrated Data （AVVID）. Which of the following choices represent the fundamental intelligent network services in Cisco’s AVVID？ （）A、 Quality of Service （QoS）B、 Intelligent platformsC、 Mobility and scalabilityD、 SecurityE、 High availability
考题
To provide quality of service （QoS） for voice traffic in an IEEE 802.1 q network， which class of service （CoS） value should be used in the 3-bit， user priority bits （PRI） field？ （）A、The PRI field should contain the Cos value of 010B、The PRI field should contain the Cos value of 011C、The PRI field should contain the Cos value of 100D、The PRI field should contain the Cos value of 101E、The PRI field should contain the Cos value of 110F、The PRI field should contain the CoS value of 111
考题
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.
考题
If voice and data traffic will be sent and received via a WAN links， what must be configured to provide a certain amount of dedicated bandwidth and to prioritize the voice traffic over other types of network traffic？（）A、IPSec VPNB、QoS mechanismC、FirewallD、NATE、EIGRP routing protocolF、Static routing
考题
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.
考题
The Company is rolling out Cisco’s Architecture for Voice， Video and Integrated Data （AVVID）.Which of the following choices represent the fundamental intelligent network services in Cisco’sAVVID？（）A、Quality of Service （QoS）B、Intelligent platformsC、Mobility and scalabilityD、SecurityE、High availability
考题
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 packetsB、the SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， video， and video packetsC、the SDM QoS wizard will create four real-time traffic classes to handle VoIP， voice signaling， video， and video streaming packetsD、the SDM QoS wizard will create two business-critical traffic classes to handle transactional and network management packetsE、the SDM QoS wizard will create three business-critical traffic classes to handle transactional， network management， and routing packetsF、the SDM QoS wizard will create four business-critical traffic classes to handle transactional， network management， routing， and best-effort packets
考题
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 trafficB、 reduction in delay， jitter， and packet lossC、 equal handling of all packetsD、 support for real-time applicationsE、 best-effort actions
考题
Which two statements are true about network voice traffic？ （Choose two.）（）A、 Voice traffic is affected more by link speed than FTP traffic is.B、 Voice traffic is affected more by packet delays than FTP traffic is.C、 Voice streams involve larger packet sizes than most TCP network traffic involves.D、 Voice traffic is more sensitive to packet loss than TCP network traffic is.E、 Voice traffic requires QOS mechanisms only in heavily loaded network segments.
考题
Which two statements correctly identify factors to consider when Configuring WAN QoS？（）A、Voice Traffic uses Assured ForwardingB、Voice Signaling traffic uses Assured ForwardingC、Voice Signaling traffic uses priority queuingD、Voice Traffic uses priority queuingE、Voice signaling traffic should use priority queuing with Assured Forwarding
考题
You are the network administrator of an enterprise company that just deployed a global IP telephony environment. In order to guarantee good voice quality， you asked your provider to implement QoS on the CE routers of your MPLS network. On your LAN， you have also deployed QoS. Users， however， keep complaining about bad voice quality， and the provider does not see matches on the DSCP values that you have asked him to match upon. What is most likely the problem？（）A、The phones are not sending traffic with the correct DSCP value.B、The Cisco CallManager is not marking the traffic correctly.C、This is most likely a bug on the CE routers.D、Your LAN QoS is incorrectly configured.
考题
How can Cisco NetFlow be used to aid in the operation and troubleshooting of QoS issues? （）A、NetFlow can report on the number of traffic matches for each class map in a configured QoS policy configuration.B、NetFlow records can be used to understand traffic profiles per class of service for data, voice, and video traffic.C、NetFlow can discover the protocols in use and automatically adjust QoS traffic classes to meet policy-map requirements.D、NetFlow can be configured to identify voice and video traffic flows and place them into a low-latency queue for expedited processing.
考题
When designing a converged network， which measures can be taken at the building access layerto help eliminate latency and ensure end-to-end quality of service can be maintained？（）A、 rate limit voice trafficB、 configure spanning-tree for fast link convergenceC、 isolate voice traffic on separate VLANsD、 classify and mark traffic close to the source
考题
Which two QoS statements are true about the use of the SDMQoS wizard？（）A、business-critical traffic includes VoIP and voice signaling packetsB、SDM can be used to configure a basic QoS policy for incoming traffic on WAN interfaces andIPsec tunnelsC、SDM can provide QoS for real-time traffic and business-critical trafficD、SDM creates a custom-queuing （CQ） or a priority-queuing （PQ） policyE、SDM creates a low latency queuing （LLQ） service policy with its associated classesF、when allocating bandwidth， values can be entered in either bandwidth percentage or kilobytes per second （kBps）
考题
Which two statements are true about the function of CAC？（）A、CAC provides guaranteed voice quality on a link.B、CAC artificially limits the number of concurrent voice calls.C、CAC is used to control the amount of bandwidth that is taken by a call on a link.D、CAC prevents oversubscription of WAN resources that is caused by too much voice traffic.E、CAC allows an unlimited number of voice calls while severely restricting，if necessary，other forms of traffic.F、CAC solves voice congestion problems by using QoS to give priority to UDP traffic.
考题
A network administrator has been receiving work orders about poor voice quality crossing a branch T1. The cause is determined to be users running high bandwidth file sharing applications across the T1 sending large packets delaying the smaller voice streams. Which of the following would improve voice quality?（）A、Configure traffic shaping to reduce the bandwidth available to the file sharing application.B、Configure a separate VLAN for the IP phones.C、Install a content caching proxy at the branch to reduce inbound WAN traffic.D、Upgrade switches to provide higher bandwidth ports for workstations and IP phones.
考题
多选题Which two statements are true about the function of CAC？（）ACAC provides guaranteed voice quality on a link.BCAC artificially limits the number of concurrent voice calls.CCAC is used to control the amount of bandwidth that is taken by a call on a link.DCAC prevents oversubscription of WAN resources that is caused by too much voice traffic.ECAC allows an unlimited number of voice calls while severely restricting，if necessary，other forms of traffic.FCAC solves voice congestion problems by using QoS to give priority to UDP traffic.
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 two QoS statements are true about the use of the SDM QoS wizard？ （）ABusiness-critical traffic includes VoIP and voice signaling packets.BSDM can be used to configure a basic QoS policy for incoming traffic on WAN interfaces and IPsec tunnels.CSDM can provide QoS for real-time traffic and business-critical traffic.DSDM creates a custom-queuing （CQ） or a priority-queuing （PQ） policy.ESDM creates a low latency queuing （LLQ） service policy with its associated classes.FWhen allocating bandwidth， values can be entered in either bandwidth percentage or kilobytes per second （kBps）.
考题
单选题To provide quality of service （QoS） for voice traffic in an IEEE 802.1 q network， which class of service （CoS） value should be used in the 3-bit， user priority bits （PRI） field？ （）A
The PRI field should contain the Cos value of 010B
The PRI field should contain the Cos value of 011C
The PRI field should contain the Cos value of 100D
The PRI field should contain the Cos value of 101E
The PRI field should contain the Cos value of 110F
The PRI field should contain the CoS value of 111
考题
单选题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.
考题
单选题Choose the false statement concerning the use of CiscoWorks Internetwork Performance Monitor (IPM) in a Teleworker deployment.（）A
IPM should not be run on a production network. B
IPM helps verify if a Service Provider is meeting the Service Level Agreement. C
IPM contains a database that can store data on latency, jitter, and drops of voice packets over a period of weeks or months. D
The QoS service policy should contain an allocation of sufficient bandwidth in the priority queue (LLQ) for both the SAA probe simulating a voice call and the voice call. If not, voice quality will suffer.
考题
单选题What can be used to maintain the voice quality on a link by limiting the number of calls that can be active at any given time？（）A
Call Management Link AgentB
Traffic policingC
Call Admission ControlD
QoS Link Congestion ManagementE
Oversubscription Link Detection
热门标签
最新试卷
