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What role do acknowledgments (ACKs) and negative acknowledgments (NAKs) play in rdt2.0?
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What is a potential issue with relying solely on ACKs and NAKs for error recovery in rdt2.0?
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What is the purpose of the stop-and-wait protocol in reliable data transfer?
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In the stop-and-wait protocol, how many packets does the sender transmit before waiting for acknowledgment?
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What is the purpose of using sequence numbers in reliable data transfer?
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What is the primary limitation of the stop-and-wait protocol?
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What enhancement does the rdt2.2 protocol introduce compared to rdt2.1?
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How does the sender in the rdt2.2 protocol respond to receiving a duplicate ACK?
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Which version of the reliable data transfer protocol introduces the concept of timeout?
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