单项选择题 A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?（）

多项选择题 Which commands are required to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0?（）

多项选择题 Which three elements must be used when you configure a router interface for vlan trunking?（）