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多选题
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 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
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Which two statements about the DiffServ QoS model are true？（）A、DiffServ requires RSVP to set up a path through the network to accommodate the requested QoS.B、Network traffic is identified by class， and the level of service is chosen for each class.C、The DiffServ model relies on a fairly simple mechanism to provide QoS over a wide range of equipment.D、RSVP enables the DiffServ model to provide end-to-end QoS.E、The DiffServ model is more scalable than the IntServ model.F、The flow-based approach of the DiffServ model is ideal for large scalable implementations such as the public Internet.
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You need to determine where the trust boundaries will be in a new Company VOIP design. Which two statements are true about these trust boundaries？（）A、Trust boundaries are configured in the core of the network to provide the most efficient forwarding based upon QoS markings，B、Setting trust boundaries at the edge of the network allows intermediate hop devices to administer QoS policies without detailed packet identification.C、Trust boundaries are used to determine which QoS mechanism will be applied to the traffic. D、At the trust boundaries， the untrusted traffic will be marked with a new QoS value appropriate for the policy in place at the point where the traffic entered the campus network. E、Trust boundaries define the firewall rules for QoS admission into a network.
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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
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多选题Which two statements about the DiffServ QoS model are true？（）ADiffServ requires RSVP to set up a path through the network to accommodate the requested QoS.BNetwork traffic is identified by class， and the level of service is chosen for each class.CThe DiffServ model relies on a fairly simple mechanism to provide QoS over a wide range of equipment.DRSVP enables the DiffServ model to provide end-to-end QoS.EThe DiffServ model is more scalable than the IntServ model.FThe flow-based approach of the DiffServ model is ideal for large scalable implementations such as the public Internet.
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单选题The part of the sentence: his ability to provide competent daytime services “was compromised” may mean.A
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his ability to provide competent daytime services was discreditedC
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单选题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
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单选题What type of services are provided by the Cisco IOS gateways in a VoIP network with Cisco CallManager functionality？ （）A
Cisco IOS gateways provide services such as address translation and network access control for the devices on the networlB
Cisco IOS gateways provide services such as bandwidth management and accountingC
Cisco IOS gateways provide media termination and signal translation between the public switched telephone network （PSTN） and IP networksD
Cisco IOS gateways provide zone management for all registered endpoints in the network
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多选题Which three practices are important to the implementation of a DiffServ QoS architecture？（）ABecause services are allocated throughout the network before the transmission of data begins， traffic classes can be guaranteed QoS services.BTraffic classes are marked with Layer 2 markings to allow for more granularity in identifying traffic classes.CTraffic classes are marked with Layer 3 markings to allow them to traverse different network types without loss of QoS information.DTraffic classes allow networks to provide proper QoS treatment of packets without applications having to request services.EBased upon the network capabilities， QoS markings are placed on packets as needed throughout the network to allow for proper QoS treatment of packets.FQoS markings are placed on packets as close to the network edge as possible to allow distribution and core devices to determine QoS actions as quickly as possible.
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单选题The term BOLLARD PULL refers to a towing vessel’s（）.A
propulsion horsepower availableB
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towing winch capabilityD
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多选题What are two benefits of the Cisco TAC?（）AHaving Access to the current software releases and support for software packagesBHaving direct or indirect access to the Cisco TAC global organizationCHaving improved network availability and performanceDHavingThe ability to access a group of experts
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单选题The （） of an oil refers to its ability to mix with water and then release the water in a centrifuge.A
oxidation resistanceB
carbon-forming tendencyC
demulsibilityD
acidity
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多选题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？ （）AQuality of Service （QoS）BIntelligent platformsCMobility and scalabilityDSecurityEHigh availability
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