单项选择题

Whichofthefollowingsettingswillreducepacketoverheadandoveralllatencyinastandalonepoint－to－pointbridgedeployment？（）

A.enableconcatenationonthenon-rootbridgeonly
B.enableconcatenationontherootbridgeonly
C.enableconcatenationonboththerootbridgeandnon-rootbridge
D.enableconcatenationontherootbridgeandsetitasdesirableonthenon-rootbridge
E.setconcatenationasdesirableontherootbridgeandenableitonthenon-rootbridge

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单项选择题

Youaredesigningasolutionthatneedstosupportafull－rateT3connection.WhichroutermodeldoestheCiscoSingle－SiteSecureNetworkFoundation1.1DesignandImplementationGuidesuggestforthissolution？（）

A.Cisco2821
B.Cisco2811
C.Cisco3845
D.Cisco2801
E.Cisco2851
F.Cisco3825

单项选择题

HowdoCiscoUnifiedCommunicationsIPphonesreceivefirmwareupgrades?（）

A.userrequestusingthekeypadofthephoneandHTTPdownload
B.ITdepartmentscheduledupgradeusingHTTPdownload
C.TFTPdownloadbasedonversioncontrolthroughCiscoUnifiedCommunicationsManager
D.FTPdownloadbasedonversioncontrolthroughCiscoUnifiedCommunicationsManager
E.HTTPdownloadbasedonversioncontrolthroughCiscoUnifiedCommunicationsManager