COMPUTER NETWORKING

TRANSPORT LAYER

INTRODUCTION

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Consider the following statements.I. TCP connections are full duplex.II. TCP has no option for selective acknowledgmentIII. TCP connections are message streams.Which of them is/are correct?

A	I
B	I and II
C	I, II, and III
D	II

Explanation:

Detailed explanation-1: -II : TCP has no option for selective acknowledgments. This is FALSE statement.

Detailed explanation-2: -Answer: The statement which holds true for TCP protocol is a) It provides connection-oriented, reliable packet transfer service.

Detailed explanation-3: -Answer: It provides a connection-oriented, reliable packet transfer service. This statement is true for TCP protocol.

Detailed explanation-4: -TCP connections are full-duplex. TCP uses GBN and SR protocols to attain reliability. Therefore it has selective acknowledgment. It provides end-to-end communication due to the port number of source and destination.

There is 1 question to complete.