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
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
相关考题：
The classic semantic triangle fails to answer() A what precisely the link between the symbol and the concept isB what symbol/form. refers toC what referent refers toD what thought/reference refers to
QoS Zone与Basic Zone的差异包括() A.QoS Zone需要licenseB.QoS Zone的名称多了一个前缀C.QoS Zone的成员只能是WWND.QoS Zone的优先级更高
Whataretwobenefitsofcontrolplanepolicing?() A.protectionagainstdenialofservice（DoS）attacksatinfrastructureroutersandswitchesB.protectionagainstknownwormattacksinroutersandswitchesC.qualityofservice（QoS）controlforpacketsthataresourcedfromthedataplaneofCiscoroutersandswitchesD.qualityofservicecontrol（QoS）forpacketsthataredestinedtothecontrolplaneofCiscoroutersandswitchesE.qualityofservice（QoS）controlforpacketsthataredestinedtothedataplaneofCiscoroutersandswitches
This Certificate will remain in force until May 1,1989.________.A.This Sentence refers to the validity of the CertificateB.This Sentence refers to the time of the CertificateC.This Sentence refers to the date of the CertificateD.This Sentence refers to the issue of the Certificate
Choose the true statement regarding QoS pre-classify.（）A、QoS pre-classify permits making QoS decisions based on elements from the unencrypted IP packet.B、QoS pre-classify is required when encrypting voice.C、QoS pre-classify is an advantage to Service Providers transporting encrypted packets.D、QoS pre-classify is not designed for IPSec/GRE configurations.
查看PQ模板的命令A、info configure qos profiles bandwidthB、info configure qos profiles ingress-qosC、info configure qos interface
What is used to provide read access to QoS configuration and statistics information on Cisco platforms thatsupport Modular QoS CLI （MQC）？（）A、Cisco NBAR DiscoveryB、Cisco AutoQoSC、Cisco Class-Based QoS MIBD、Cisco SDM QoS WizardE、CDP
Which statement is correct about the Cisco QoS SDM wizard？（）A、the best-effort class will need to have its percentage entered in the QoS Policy Generation screenB、SDM QoS wizard provides real-time validation of application usage of WAN bandwidthC、the SDM wizard is not able to monitor QoS policing trafficD、the SDM QoS wizard is pre-installed on enterprise routers
Which statement is true about the SDM QoS wizard and its ability to enable a QoS policy on router interfaces？（）A、QoS can be enabled on interfaces used for Easy VPN clientsB、QoS can be enabled on IPsec VPN interfaces and tunnelsC、QoS can be enabled on interfaces with an existing QoS policyD、the QoS policy can be enabled for incoming and outgoing traffic on the interface
An administrator analyzes a poorly performing system and suspects that the issue is related to CPU resource. Upon reviewing output of vmstat, the administrator is concerned with the values in the ‘pc’ and ‘ec’ columns. Which definition describes these two headings?（）A、'pc' refers to the number of physical processors consumed, while 'ec' refers to the percentage of entitled capacity consumed.B、'pc' refers to the 'physical CPUs' and lists how many are left un-allocated, while ec' refers to the 'entitled CPUs' and lists what amount is currently allocated to the LPAR.C、'pc' refers to the 'processor count' and reflects how many CPUs are allocated to the LPAR, while 'ec ' refers to the 'extra capacity' and lists how much above the LPAR entitlement is being consumed.D、'pc' refers to 'processor cards' and reflects how many MCM modules are actually being used by this LPAR, while 'ec' refers to the 'entitled CPUs'and lists what amount is currently allocated to the LPAR.
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 appliedB、the SDM QoS wizard can be used to optimize LAN， WAN， and VPN interfacesC、he SDM QoS wizard supports network-based application recognition （NBAR） to provide deep and stateful packet inspectionD、he SDM QoS wizard will apply custom queuing and priority queuing policies to the identified interfacesE、he SDM QoS wizard will apply low latency-queuing，custom-queuing and priority-queuing policies to the identified interfacesF、to create and manage the QoS settings， the user must select the QoS wizard task under the Monitor option
多选题Which two statements are true about the various methods of implementing QoS？（）ACisco AutoQoS can be used repeatedly to apply a single QoS policy to multiple interfaces.BCisco AutoQoS includes an optional web-based GUI for automating the configuration of QoS services.CCisco AutoQoS provides capabilities to automate VoIP deployments.DThe auto qos global configuration command is used to configure Cisco AutoQoS.EThe Modular QoS CLI （MQC） is the best way to fine tune QoS configurations.FThe SDM QoS wizard is the fastest way to implement QoS.
单选题This Certificate will remain in force until May 1，2009. （）.AThis Sentence refers to the validity of the CertificateBThis Sentence refers to the time of the CertificateCThis Sentence refers to the date of the CertificateDThis Sentence refers to the issue of the Certificate
单选题What is used to provide read access to QoS configuration and statistics information on Cisco platforms thatsupport Modular QoS CLI （MQC）？（）ACisco NBAR DiscoveryBCisco AutoQoSCCisco Class-Based QoS MIBDCisco SDM QoS WizardECDP
问答题QoS是什么？为什么需要QoS？