OSPFstubareasareanimportanttoolfortheNetworkdesigner;whichofthefollowingtwoshouldbeconsideredwhenutilizingOSPFstubareas?()
A. OSPFstubareasincreasethesizeoftheLSDBwiththeadditionofType3and5LSAs
B. OSPFnotsostubbyareasareparticularlyusefulasasimplerformofsummarization
C. OSPFstubareasarealwaysinsulatedfromexternalchanges
D. OSPFtotallystubbycannotdistinguishamongABRsforthebestroutetodestinationsoutsidetheareas
E. OSPFstubareascandistinguishamongASBRsfordestinationsthatareexternaltotheOSPFdomain