单项选择题

What is the correct virtual link configuration on an OSPF router？（）

A.area 0.0.0.0{ linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}
B.area 0.0.0.0{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}
C.area 0.0.0.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}
D.area 0.0.2.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.0.0；}

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多项选择题

In JUNOS software， what are two ways the router ID is chosen？（）

A.Choose the lowest primary address.
B.If assigned，always choose address of fxp0.
C.Choose numerically highest IP address of lo0.
D.Choose numerically lowest IP address of fxp0.
E.Choose the non-127.0.0.1 primary address on lo0.

单项选择题

In JUNOS software， what is required to dedistribute RIP routes into OSPF？（）

A.Apply an export policy in RIP
B.Apply an import policy in RIP
C.Apply an export policy in OSPF
D.Apply an import policy in OSPF

单项选择题

An OSPF non-backbone area follows external routes to be flooded within the area. These external routes are propagated into other areas. However， external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe？（）

A.stub area
B.transit area
C.border area
D.not-so-stubby area