By default, which path attributes does EIGRP use to compute a route metric?
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Correct answer: It uses the bandwidth and delay values of the path to calculate the route metric..
Why this is the answer
EIGRP (Enhanced Interior Gateway Routing Protocol) by default uses a composite metric based on bandwidth and delay. This allows for a more accurate representation of path quality beyond simple hop counts. Bandwidth refers to the slowest link in the path, while delay is the cumulative delay of all links. These values are combined using a formula to produce the final metric. The option stating a default metric of 10 is incorrect; EIGRP calculates a dynamic metric. Counting hops is characteristic of RIP (Routing Information Protocol), not EIGRP's default behavior. While reference bandwidth is used in OSPF (Open Shortest Path First) for cost calculation, it's not EIGRP's default metric component.
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