What is the default import routing policy for OSPF?
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A. B. C. D.D
The default import routing policy for OSPF in Junos is to accept all OSPF routes and install them into the inet.0 routing table.
The inet.0 routing table is the default routing table that contains IPv4 unicast routes, and is used to forward traffic to destinations that are reachable through directly connected networks or through static or dynamic routes learned from routing protocols such as OSPF.
When an OSPF-enabled interface is configured with the family inet statement, the OSPF process automatically imports OSPF routes into the inet.0 routing table using the default import policy. This policy is called the OSPF route-import policy and is predefined by the Junos operating system.
By default, the OSPF route-import policy accepts all OSPF routes and installs them into the inet.0 routing table. This means that all OSPF routes learned from neighboring routers are installed in the inet.0 routing table, and the router can use this information to forward traffic to the appropriate destination.
In summary, the correct answer to the question is D. Accept all OSPF routes and install them into the inet.0 routing table.