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Preemptive Priority Queuing

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In the enclosed figure, the sequence of departed packet is: 1, 3, 2, 4, and 5. What will be the sequence if preemptive priority queuing is used instead?

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This solution explains the relevant transmitted packet sequence using preemptive priority queuing in 88 words.

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In preemptive priority queuing, the transmission of a packet will be interrupted if a higher priority packet arrives before the ...

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