单项选择题 When configuring more than one archival site, which statement is true?（）

单项选择题 You have a network containing 120 routers. You must establish and maintain connectivity between the loopback interfaces of all routers. Because of the critical services using the network, you need redundancy and fast failover. Which routing protocol should you use in this scenario?（）

多项选择题 What are two Junos processes?（）