多项选择题
A. 169.254.23.59
B. 223.254.255.254
C. 225.1.1.1
D. 227.43.34.2
E. 238.3.3.3
F. 249.1.2.3
单项选择题 What is the purpose of a rendezvous point (RP)?（）
单项选择题 Refer to the exhibit. IP multicast for group address 224.1.1.1 has been enabled on all router s in the network. Hosts on Network A receive the multicast traffic. However, hosts on Network B do not. On the basis of outputs provided, what could be the cause of the problem? （）
多项选择题 Which two statements are true about Internet Group Management Protocol (IGMP) snooping?（）