多项选择题
By default, what are three valid routing tables?（）
A. inet.0 B. inet4.0 C. inet.6 D. inet6.0 E. inet.3
单项选择题 When attempting to view the OSPF routes in the routing table, you issue the command show route table inet.3 but no OSPF routes are displayed. What is the problem?（）
多项选择题 What are two reasons why a route might be hidden?（）
单项选择题 Which command will display only direct routes?（）
