Whichofthefollowingcorrectlyfillsinthemissingwordsofthissentence:AnARPrequestusesaaddress,whereasanARPreplyusesaaddress.()A.broadcast，multicastB.unicast，broadcastC.broadcast，unicastD.multicast，unicastE.broadcast，broadcastF.unicast，multicast
题目
Whichofthefollowingcorrectlyfillsinthemissingwordsofthissentence:AnARPrequestusesaaddress,whereasanARPreplyusesaaddress.()
A.broadcast，multicast
B.unicast，broadcast
C.broadcast，unicast
D.multicast，unicast
E.broadcast，broadcast
F.unicast，multicast