A.show ip ospf routeB.show ip route protocol ospfC.show……

单项选择题When you display the routing table by entering the show route command, what does the* indicate?（）

A.The route is a direct route.
B.The route was selected as active.
C.The route is a default route.
D.The route was learned using a dynamic routing protocol.

单项选择题What is the default protocol preference for BGP EBGP routes?（）

A.10
B.100
C.170
D.175

单项选择题What is the default protocol preference for OSPF external routes?（）

A.10
B.15
C.150
D.160

单项选择题What is the role of route preference?（）

A.It is used to determine which route should become active.
B.It is used to select which routing table to use for forwarding.
C.It is used to determine what routes to accept into the routing table.
D.It is used to select the best route between multiple equal cost paths.

多项选择题Which two statements are correct regarding default protocol preference values?（）

A.OSPF has a single preference value for both internal and external routes.
B.RIP is preferred over OSPF external routes.
C.Direct, local, and static routes have the same preference value.
D.OSPF's preference value is lower than BGP (both IBGP and EBGP).