Traditionalnetworklayerpacketforwardingreliesontheinformationprovidedbynetworklayer(本题)protocols,orstaticrouting,tomakeanindependentforwardingdecisionateach()withinthenetwork．Theforwardingdecisionisbasedsolelyonthedestination()IPaddress．Allpacketsforthesamedestinationfollowthesamepathacrossthenetworkifnootherequal-cost()exist．Wheneverarouterhastwoequal-costpathstowardadestination,thepacketstowardthedestinationmighttakeoneorbothofthem,resultinginsomedegreeofloadsharing．EnhancedInteriorGatewayRoutingProtocol(EIGRP)alsosupportsnon-equal-cost()sharingalthoughthedefaultbehaviorofthisprotocolisequal-cost．YoumustconfigureEIGRPvariancefornon-equal-costloadbalancing
A.switching B.signaling C.routing D.session正确答案C
