Question 1 of 30
In a service provider network, a network engineer is tasked with implementing Quality of Service (QoS) to ensure that voice traffic is prioritized over video and data traffic. The engineer decides to use a class-based QoS model. Given that the voice traffic requires a minimum bandwidth of 128 kbps and a maximum latency of 150 ms, while video traffic can tolerate a maximum latency of 300 ms and data traffic has no strict latency requirements, how should the engineer configure the QoS policy to meet these requirements while ensuring that the overall bandwidth does not exceed 1 Gbps?
Configure a priority queue for voice traffic, a bandwidth guarantee of 256 kbps for video traffic, and a best-effort queue for data traffic.
Implement a single queue for all traffic types with a maximum bandwidth limit of 1 Gbps.
Assign voice traffic to a low-priority queue, video traffic to a medium-priority queue, and data traffic to a high-priority queue.
Use a strict priority queuing mechanism for all traffic types without any bandwidth guarantees.

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