Which routing table stores IPv4 unicast routes and is used by multicast routing protocols to prevent loops?
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A. B. C. D.C
The routing table that stores IPv4 unicast routes in Junos is the inet.0 table. This table is also known as the "default" routing table and contains all the IPv4 unicast routes learned by the routing protocols running on the device, such as OSPF or BGP.
Multicast routing protocols, such as PIM or IGMP, use a separate routing table to prevent loops in the multicast traffic. This table is called the multicast forwarding table or mfwd table, and it is used to store information about the multicast groups and the interfaces over which multicast traffic should be forwarded.
The mfwd table is a separate table from the inet.0 table and is not used for unicast routing. Instead, it is used by the multicast routing protocols to determine the optimal path for multicast traffic and to prevent loops in the network.
Therefore, the correct answer to the question is none of the given options as the multicast forwarding table is not represented by any of the choices.