问答题

VOIPisbeingimplementedintheCompanynetworkandyouneedtoassesstheneedforQoS.WhichofthefollowingnetworkproblemswouldindicateaneedtoimplementQoSfeatures？（）

A.Mis-routedpackets
B.Excessjitter
C.Delayofcriticaltraffic
D.Packetlossduetocongestion
E.Datalinklayerbroadcaststorms
F.FTPconnectionsunsuccessful

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TheCiscoAutoQoSfeatureisbeingusedthroughouttheCompanyVOIPnetwork.Whichthreestatementsaboutthisfeaturearetrue？（）

A.The"mlsqos"globalconfigurationcommandmustbeenteredbeforeconfiguringAutoQoS.
B.CEFmustbeenabled.
C.The"noautoqosvoip"commandisusedtodisableCiscoAutoQosandrevokeallconfigurationsgeneratedbyCiscoAutoQos.
D.CDPmustbeenabled.
E.SNMPmustbeenabled.

Whichthreeofthefollowingnetworkfeaturesaremethodsusedtoachievehighavailability？（）

A.SpanningTreeProtocol（STP）
B.Delayreduction
C.HotStandbyRoutingProtocol（HSRP）
D.Dynamicroutingprotocols
E.QualityofService（QoS）
F.Jittermanagement