Q5.Up to how many equal-cost route entries are maintained in the OSPF routing table?
Correct Answer: C
By default, 4 equal cost routes to the same destination are kept in the routing table. With maximum-paths configuration command, OSPF can keep up to six equal-cost route entries ( to the same destination) in the routing table for load balancing.
Further, OSPF uses Dijkstra algorithm to calculate lowest cost route. The algorithm adds up the total costs between the local router and the each destination network. The lowest cost route is always preferred when there are multiple paths to a given destination
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