多项选择题

Which of the following can either directly or indirec tly identify all the interfaces for which both 1) OSPF has been enabled and 2) OSPF is not passive?（）

A. show ip ospf database
B. show ip ospf interface brief
C. show ip protocols
D. show ip route ospf
E. show ip ospf neighbors

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热门试题

单项选择题

Which of the following is true about an OSPF area border router (ABR)?（）

A. The ABR must have multiple interfaces connected to the backbone areA
B. An ABR is a router with two interfaces, each connected to a different nonbackbone areA
C. The only requirement to be considered an ABR is at least one interface connected to the backbone areA
D. An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA

多项选择题

A router has been configured with the commands router os pf 9, network 172.16.1.0 0.0.0.255 area 8, and network 172.16.0.0 0.0.255.255 area 9, in that order. No other OSPF -related commands have been configured. The answers list the IP addresses that could be assigned to this routers Fa0 0 interface. Which an swers list an IP address prefix length that would cause the router to put Fa0 0 into area 9?（）

A. 172.16.0.1/23
B. 172.16.1.1/26
C. 172.16.1.1/24
D. 172.16.0.255/23
E. None of the other answers is correct.