【单项选择题】
Router R1 is redistributing between two OSPF processes. Given the configuration shown, which includes all commands in the route map named fred, which of the following answers is true regarding the redistribution into OSPF process 1?（）<br /> router ospf 1<br /> redistribute ospf 2 external 2 route - map fred<br /> !<br /> route - map fred permit 10<br /> match ip address 1<br /> set metric - type type - 1<p> Router R1 is redistributing between two OSPF processes. Given the configuration shown, which includes all commands in the route map named fred, which of the following answers is true regarding the redistribution into OSPF process 1?（）<br /> router ospf 1<br /> redistribute ospf 2 external 2 route - map fred<br /> !<br /> route - map fred permit 10<br /> match ip address 1<br /> set metric - type type - 1</p>
A、A. No routes are redistributed because a route cannot be both E1 and E2.
B、B. Only OSPF E2 routes in the OSPF 2 domain will be considered for redistribution.
C、C. Inside the OSPF 2 domain, any formerly E2 routes will become E1 routes.
D、D. Routes permitted by ACL 1 will be redistributed, regardless of whether the routes are E1 or E2 routes.
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