A.The 802.11e standard is the IEEE 802.11 OoS WLAN standard.
B.The Wi-Fi Multimedia （WMM） standard decreases the eight priority levels to four access categories.
C.The Wi-Fi Multimedia （WMM） standard is a Wi-Fi Alliance standard that increases the four priority levels to eight access categories.
D.The Wi-Fi Multimedia （WMM） standard is an IEEE standard that increases the four priority levels to eight access categories.
E.Wireless 802.11 deploys Distributed Coordination Function （DCF）， carrier sense multiple access with collision detection （CSMA/CD）， interframe spacing， and random wait timers to avoid collisions.
F.Wireless OoS designs and implementations commonly use Layer 3 differentiated services code point （DSCP） or Layer 2 802.1 p to ensure priority
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A.Resource Reservation Protocol （RSVP）
B.IP precedence
C.traffic shaping
D.trust boundaries
E.DSCP
F.application
A.CiscoWorks Wireless LAN Solution Engine （WLSE）
B.CiscoWorks Wireless LAN Solution Engine （WLSE） Express
C.Cisco Wireless Control System （WCS）
D.Wireless Domain Services （WDS）
E.WLAN Controllers （WLC）
A.serialization delay
B.overrun
C.full buffers and queues
D.propagation delay
E.shaping delay
F.TCP header errors
A.Each subinterface has its own hardware queue and can experience congestion just like its main interface
B.Hardware queuing is only used if the software queues are experiencing congestion.
C.Hardware queues and software queues are not used concurrently.
D.The hardware queuing system always uses the FIFO queuing mechanism.
A.RTP multiplexing is used to keep multiple phone conversations separate
B.RTP provides end-to-end delivery services for voice traffic.
C.UDP is used to ensure a reliable transmission from sender to receiver.
D.RTP is used to provide resource reservation for the voice stream.
E.UDP provides multiplexing of multiple phone conversations.
最新試題
Which two QoS classification and marking statements are true？ （）
In a VoIP network， which type of interface would an analog fax machine connect to？（）
Which statement is true about the Call Admission Control （CAC） feature in VoIP networks？（）
In the design of a QoS solution， which two factors should be taken into consideration？（）
Which two commands should be entered on a WLAN controller to remove any residual configuration？（）
What is an advantage of the IntServ QoS model？（）
Within the WMM policy， how many default QoS radio access categories are there？（）
What are the three models of quality of service （QoS） in a network？（）
For delay sensitive traffic， what are the three best ways that are used to prevent packet loss？ （）
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？（）