What is the primary function of EIGRP in a network?

The primary function of EIGRP (Enhanced Interior Gateway Routing Protocol) in a network is to efficiently find the best path for data packets. EIGRP is a distance-vector routing protocol that incorporates features from link-state protocols, allowing routers to communicate and determine the most optimal routes to reach destinations within an autonomous system.

This protocol utilizes a metric based on bandwidth, delay, load, and reliability to calculate the best path. When a router receives information from neighboring routers, it can quickly determine and share the optimal routes based on these metrics, allowing networks to adapt rapidly to changes, such as link failures or added routes.

The ability to efficiently evaluate routes and provide rapid convergence enhances network performance. This function is crucial for ensuring that data packets are routed through the most efficient paths, optimizing overall network traffic flow and reducing latency. Other options listed do not capture this essential routing capability that is central to EIGRP's design and purpose.