TRANSPORT LAYER
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Loss of data packet is indicated by
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Repeated acknowledgements
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No acknowledgement
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Message indicating loss of packet
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None of the above
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Explanation:
Detailed explanation-1: -In data networking, telecommunications, and computer buses, an acknowledgment (ACK) is a signal that is passed between communicating processes, computers, or devices to signify acknowledgment, or receipt of message, as part of a communications protocol.
Detailed explanation-2: -TCP uses three duplicate ACKs as a trigger and then performs retransmission. In the above case, when three ACKs of packet 1 are received, then the sender should send the lost packet, i.e., packet 2, without waiting for the timeout period to occur.
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