OSI & TCP/IP Protocol stacks PYQ QUIZ GATE CS

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Question 1

Which of the following functionalities must be implemented by a transport protocol over and above the network protocol ?

  • Recovery from packet losses

  • Detection of duplicate packets

  • Packet delivery in the correct order

  • End to end connectivity

Question 2

In the following pairs of OSI protocol layer/sub-layer and its functionality, the INCORRECT pair is

  • Network layer and Routing

  • Data Link Layer and Bit synchronization

  • Transport layer and End-to-end process communication

  • Medium Access Control sub-layer and Channel sharing

Question 3

Identify the ONE CORRECT matching between the OSI layers and their corresponding functionalities as shown.

OSI Layer

Functionalities

(a) Network Layer

(I) Packet routing

(b) Transport Layer

(II) Framing and error handling

(c) Datalink Layer

(III) Host to host communication


  • (a)-(I), (b)-(II), (c)-(III)

  • (a)-(I), (b)-(III), (c)-(II)

  • (a)-(II), (b)-(I), (c)-(III)

  • (a)-(III), (b)-(II), (c)-(I)

Question 4

The protocol data unit (PDU) for the application layer in the Internet stack is

  • Segment

  • Datagram

  • Message

  • Frame

There are 4 questions to complete.

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