Which IGP should you use to achieve scalability in a large enterprise network using Juniperenterprise routers?（）

多项选择题What are three methods for managing a Juniper Enterprise Router?（）

A.CU
B.SDX
C.SAP
D.J-Web
E.J-Config

单项选择题Which multicast address does RIPv2 use for route updates by default?（）

A.224.0.0.2
B.224.0.0.5
C.224.0.0.9
D.255.255.255.255