A.232.137.1.1/24 B.225.137.1.1/8 C.232.137.1.1/8 D.239.137.1.1/8
A.IGMPv1 B.IGMPv2 C.IGMPv3 D.以上答案都錯(cuò)誤
A.ASM B.SSM C.SFM D.ATM