多项选择题
Which two options does Cisco PfR use to control the entrance link selection with inbound optimization？（）
A.Prepend extra AS hops to the BGP prefix. B.Advertise more specific BGP prefixes（longer mask）. C.Add（prepend）one or more communities to the prefix that is advertised by BGP. D.Have BGP dampen the prefix.
多项选择题 Whichtwoareeffectsofconnectinganetworksegmentthatisrunning802.1Dtoanetworksegmentthatisrunning802.1w？（）
多项选择题 Whichtwostatementsaretrueabouttrafficshaping？（）
多项选择题 Whenyouaretroubleshootingduplexmismatches，whichtwoerrorsaretypicallyseenonthefullduplexend？（）
