In JUNOS software， which would prevent an OSPF router from importing the 10.0.0.4/30 summary route？（）
- A、Import policies are not allowed， so this is not possible.
- B、Export policies are not allowed， so this not possible.
- C、Apply a firewall filter matching 10.0.0./4/30 and reject the route.
- D、Apply an import policy matching 10.0.0.4/30 and reject the route.
正确答案:A
答案解析:有
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