A.runtsB.FCS errorsC.interface resetsD.late collisionsW……

单项选择题AnewBackupConnectionisbeingdeployedonaremotesiterouter.thestabilityoftheconnectionhasbeenaconcern.inordertoprovidemoreinformationtoEIGRPRegardingthisinterface，Youwishtoincorporatethe Reliability costmetricintheEIGRPCalculationwiththecommandmetricweights10101.WhatimpactwillthismodificationontheremotesiterouterhaveforotherexistingEIGRPneighborshipsfromthesameEIGRPDomain？（）

A.Existing Neighbors will immediately begin using the new metric.
B.Existing Neighbors will use the new metric after clearing the EIGRP Neighbors.
C.Existing Neighbors will resync， maintaining the neighbor relationship
D.All ecisting neighbor relationships will go down

单项选择题AbranchrouterisconfiguredwithanegressQoSpolicythatwasdesignedforatotalnumberof10concurrentVOIPCalls.DuetoExpansion，15VOIPCallsarenowrunningoverthelink，butafterthe14thcallwasestablished，allcallswereaffectedandthevoicequalitywasdramaticallydegraded.Assumingthatthereisenoughbandwidthonthelinkforallofthistraffic，whichpartoftheQOSconfigurationshouldbeupdatedduetothenewtrafficprofile？（）

A.Increase the shaping rate for the priority queue.
B.Remove the policer applied on the priority queue.
C.Remove the shaper applied on the preiority queue.
D.Increase the policing rate for the priority queue.

多项选择题Whichtwocommandsarerequiredtoenablemulticastonarouter，knowingthatthereceiversonlysupportsIGMPv2？（）

A.IP PIM RP-address
B.IP PIM ssm
C.IP PIM Sparse-mode
D.IP PIM Passive

多项选择题WhichthreeprotocolsshouldbeexplicitlymanagedbyusingaCoPPpolicyonanInternetborder router？（）

A.SMTP
B.ICMP
C.BGP
D.SSH
E.RTP
F.BitTorrent
G.VTP

多项选择题Whichtwomulticastaddressrangesareassignedassource-specificmulticastdestinationaddressesandarereservedforusebysource-specificapplicationsandprotocols？（）

A.232.0.0.0/8
B.239.0.0.0/8
C.232.0.0.0/4
D.FF3x：：/32
E.FF2x：：/32
F.FF3x：：/16