T. a timer is set when _____________ is (are) sent out (a) a data frame (b) an ack (c) a nak (
d.All of (a), (b) and (c)
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(b) An Ack
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an ack.
Explanation:
TCP makes use of numerous timers to make sure that immoderate delays aren't encountered for the duration of communications.
When TCP sends a phase the timer begins off evolved and prevents while the acknowledgement is received.
If the timer expires timeout happens and the phase is retransmitted.
TCP Timers are used to keep away from immoderate delays for the duration of the communication.
Time out timer is used for retransmission.
Time Wait Timer is used for the duration of connection termination.
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