Question 1 of 30
In a service provider network utilizing MPLS, a network engineer is tasked with optimizing the routing of packets across multiple paths to ensure efficient bandwidth utilization and reduced latency. The engineer decides to implement Equal-Cost Multi-Path (ECMP) routing. Given that the network has four equal-cost paths to a destination, and each path can handle a maximum bandwidth of 100 Mbps, how should the engineer distribute the traffic to achieve optimal load balancing? Assume that the total incoming traffic to the destination is 400 Mbps.
Distribute the traffic equally across all four paths, sending 100 Mbps on each path.
Send 200 Mbps on two paths and 100 Mbps on the other two paths.
Route all traffic through the path with the lowest latency, disregarding bandwidth limits.
Use a round-robin approach to send 50 Mbps on each path until the total traffic is exhausted.

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