Whatarethemandatory,well－knownBGPattributes?() A.origin，AS-path，next-hopB.AS-path，origin，MEDC.AS-path，origin，weightD.AS-path，weight，MED
Whatarethemandatory,well－knownBGPattributes?()
A.origin，AS-path，next-hop
B.AS-path，origin，MED
C.AS-path，origin，weight
D.AS-path，weight，MED