多项选择题
Which two MBGP IPv4 sub-AFIs does the JUNOS software support?（）
A.unicast B.anycast C.multicast D.broadcast
单项选择题 Which routers must be configured with the same authentication string when configuring OSPFauthentication?（）
单项选择题 What is true regarding the OSPF Type 2 LSA?（）
多项选择题 Which two multicast groups support Auto-RP mapping and discovery?（）
