单项选择题
By default, which routing table is used to store unicast IPv4 routes?（）
A.inet.0 B.inet.1 C.inet.2 D.inet.3
单项选择题 In which routing table would you find an OSPF V2 route?（）
多项选择题 What are three correct steps to reset a lost root password?（）
单项选择题 When performing password recovery, which command should be entered at the boot prompt?（）
