多项选择题

Which two statements are true about traffic shaping and traffic policing？（）

A.both traffic shaping and traffic policing cause retransmissions of connection-oriented protocols such as TCP
B.both traffic shaping and traffic policing support the marking and re-marking of traffic
C.the effects of traffic shaping and traffic policing when configured on a router are applied to outgoing traffic
D.traffic shaping queues excess traffic whereas traffic policing discards excess traffic
E.traffic shaping allows the traffic to exceed the bit rate whereas traffic policing prevents the traffic from exceeding the bit rate

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热门试题

单项选择题WhatisthegoalofQoSinanetwork？（）

A.prevent packets from being dropped
B.increase available bandwidth
C.reduce hardware errors
D.provide predictable network service
E.eliminate propagation delay
F.eliminate jitter and packet loss

单项选择题WhatarethestepsforconfiguringstatefulNBARfordynamicprotocols？（）

A.use the command ip nbar protocol-discovery to allow identification of stateful protocols. Use the command ip nbar port-map to attach the protocols to an interface
B.use the command match protocol rtp to allow identification of real-time audio and video traffic. Use the command ip nbar port-map to extend the NBAR functionality for well-known protocols to new port numbers
C.use the command match protocol to allow identification of stateful protocols. Use the command ip nbar port-map to attach the protocols to an interface
D.configure a traffic class. Configure a traffic policy. Attach the traffic policy to an interface.
E.configure video streaming. Configure audio streaming. Attach the codec to an interface

单项选择题Twositesareusingamultisitecentralizedcallprocessingmodel.ThevoicegatewayontheremotebranchhaslostIPconnectivitytoitsCiscoCallManagerserver.WhichfeatureenablestheremotegatewaytotaketheroleofthecallagentduringtheWANfailure？（）

A.automated alternate routing （AAR）
B.Cisco CallManager Attendant Console
C.real-time protocol （RTP）
D.Survivable Remote Site Telephony （SRST）

多项选择题WhichtwostatementsregardingtheWirelessLANSolutionEngine（WLSE）aretrue？（）

A.to support fault and policy reporting， the WLSE requires a Wireless Control System （WCS）
B.when WLSE detects an AP failure， it automatically increases the power and cell coverage of nearby APs
C.WLSE requires the 2700 location appliance to offer location tracking
D.WLSE can locate rogue APs and automatically shut them down
E.WLSE configuration is done using the command line interface （CLI） or a WEB based template

多项选择题Whichthreemethodswouldhelppreventcriticalnetwork-trafficpacketlossonhighspeedinterfaces？（）

A.policy routing
B.increase link capacity
C.WRED
D.CBWFQ
E.LFI
F.WFQ