Which routing protocol uses hop count as its only metric to select the best path to a destination network?
IS-IS
OSPF
RIP
EIGRP
Routing Information Protocol (RIP) uses hop count as its sole metric for determining the best path. It selects the route with the lowest number of hops (routers) to reach the destination. Open Shortest Path First (OSPF) uses cost as its metric, calculated based on the bandwidth of the links. Enhanced Interior Gateway Routing Protocol (EIGRP) uses a composite metric that includes bandwidth and delay. Intermediate System to Intermediate System (IS-IS) also uses a cost metric similar to OSPF. Therefore, among the options provided, only RIP relies exclusively on hop count.
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