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Exam JN0-347 topic 1 question 134 discussion

Actual exam question from Juniper's JN0-347
Question #: 134
Topic #: 1
[All JN0-347 Questions]

You were provided a network diagram that told you to number your network from the 191.255.0.0/16 space. OSPF is enabled and adjacencies are up, but no routers are learning any routes. What can explain this?

  • A. The default OSPF export policies advertise nothing, so you need to apply export policy
  • B. The default OSPF import policy rejects all OSPF routes, so you need to apply import policy
  • C. You need to modify the martian table with a 191.255.0.0/16 accept statement
  • D. You need to enable OSPF on the lo0 interface to provide a route to the RID of each router in the network
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Suggested Answer: C 🗳️

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Clxxcv420
4 years, 1 month ago
martians address space begin from 192.0.0.0/24 orlonger by default. so we dont worry about it. Default Routing policies implied if nothing configured Import > Accept all Export > Reject All (except LSA Types 1&2) there is Aggregate route. it comes from another protocol (aggregate or static) so we explicitly need to accept that. iguess none of the answer is the Right. The nearest one is A (export policy). but it advertise LSA1&2. so idk. let me know if im not right.
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