A. FIFO queuing， which provides a means to hold packets while they are waiting to exit an interface
B. Priority queuing， which ensures a fixed amount of bandwidth
C. Custom queuing （CQ）， which provides a queuing tool that services all queues， even during times of congestion
D. Bandwidth queuing， which ensures a minimum amount of bandwidth
E. Weighted fair queuing （WFQ）， which classifies packets based on flows
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A. It supports admission control that allows a network to reject or downgrade new RSVP sessions if one of the interfaces in the path has reached the limit （that is， all reservable bandwidth is booked）.
B. RSVP signals QoS requests per individual flow. In the request the authorized user （authorization object） and needed traffic policy （policy object） are sent. The network can then provide best-effort delivery to these individual flows.
C. RSVP streamlines communication by making it unnecessary to inform network devices of flow parameters （IP addresses and port numbers）.
D. Because of the stateful RSVP architecture， continuous signaling does not have to occur.
E. The flow-based approach is scalable to large implementations， such as the public Internet， because RSVP tracks each individual flow.
A. 8
B. 5
C. 4
D. 3
A. Resource Reservation Protocol （RSVP）
B. first-in， first-out （FIFO）
C. best-effort
D. CBWFQ
E. IntServ
F. DiffServ
A. Packets can arrive out of order.
B. Packets must take the same path to the destination.
C. Once packets are received at the destination router， the router performs sampling to ensure the quality of the voice traffic.
D. Packets can experience varying delays across the network.
E. Packets containing voice samples are sequentially numbered by default， allowing for reordering upon arrival at the terminal router along the path.
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.
最新試題
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？（）
Within the WMM policy， how many default QoS radio access categories are there？（）
Which three practices are important to the implementation of a DiffServ QoS architecture？（）
Which two QoS classification and marking statements are true？ （）
What are two ways to minimize the delay of VoIP packets that are traversing a network？ （）
Which option correctly identifies the four main menus of a Cisco Wireless Control System （WCS）？ （）
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？（）
When QoS levels in the Cisco Wireless Control System （WCS） are entered， which profile names are used to identify the access categories？（）
When deploying a Cisco Wireless Control System （WCS） with the 2700 series location appliance， to within what range is on-demand location of rogue APs possible？（）
For delay sensitive traffic， what are the three best ways that are used to prevent packet loss？ （）