Refer to the exhibit. Which of these is applied to the Bearer class?()
A.WRED B.traffic shaping C.packet marking D.packet classification E.FIFO queuing within the class
Refer to the exhibit. Which switching feature is being tested?()
A.loop guard B.PortFast C.root guard D.BDPU guard
R1(AS1)------R2(AS2)-----R3(AS2)----R4(AS2) ,R1在AS1,R2,R3,R4在AS2,R1和R2建EBGP , R2和R3 IBGP,R3和R4 IBGP,產(chǎn)生BGP路由從R1傳給R2,問這條路有會不會在R4上出現(xiàn),如果不會,怎么解決.