Sem 7

Electronics and Telecommunications

Year 4

Fourth Year

`Unit - 5`

`Transport LayerQ1) What is function of transport layer? Q2) What are the duties of the transport layer? Q3) What is the difference between network layer delivery and the transport layer delivery? Q4) What are the four aspects related to the reliable delivery of data? Q5) What is meant by segment? Q6) What are the types of multiplexing?  Q7) What are the two possible transport services? Q8) The transport layer creates the connection between source and destination. What are the three events involved in the connection?  Q9) What are the techniques used in multiplexing?  Q10) What is meant by congestion? Q11) Which TCP timer signifies its contribution in measuring the time of connection maintenance in TIME_WAIT state? Q12) Which mechanism in transport layer supplies multiple network connections along with the distribution of traffic over them in a round-robin basis/ fashion? Q13) Which mechanism/s is/are extremely essential in data link and transport layers in accordance to operational services offered by the transport protocols? Q14) Which among the following specifies the impossibility of updating RTT estimator during the arrival acknowledgement of retransmitted data especially at the occurrence of timeout and retransmission phases in TCP? Q15) What is the function of BECN BIT? `