Discussion
Which of the given options best describes the truthfulness of the following statements? i) In connectionless services of transport layer protocol, the packets are sent from one party to another with no need for connection establishment or connection release. ii) In connection-oriented service of transport layer protocol, a connection is first established between the sender and the receiver. iii) The User Datagram Protocol (UDP) is called a connectionless, unreliable transport protocol.
Answer: A
All three statements are true. In a connectionless service the packets are sent from one party to another with no connection set up or released. In a connection-oriented service a connection is first established between sender and receiver. UDP is called a connectionless, unreliable transport protocol, since it has no connection and gives no guarantee of delivery. So all three are true and the first option is correct. TCP is the connection-oriented transport protocol and UDP the connectionless one, which supports statements ii and iii.
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