GATE CSE Computer Networks – Full Subject Mixed Practice Test

GATE CSE Computer Networks – Full Subject Mixed Practice Test | Set 1

Questions 71-75 of 100

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Question 71

MSQ · Multiple Correct 2 mark

Which of the following statements regarding the OSI Model and TCP/IP Architecture are CORRECT?

A Transport layer provides process-to-process delivery in both OSI and TCP/IP. B Network layer handles host-to-host routing of IP packets. C TCP/IP combines Session, Presentation, and Application layers into a single Application layer. D Data Link layer PDU is called a Segment.

Question 72

MSQ · Multiple Correct 2 mark

Which of the following parameters directly influence Transmission Delay (Tx) and Propagation Delay (Tp)?

A Packet size L (in bits) influences Transmission Delay. B Bandwidth B (in bps) influences Transmission Delay. C Physical distance d (in meters) influences Propagation Delay. D Signal propagation speed v in medium influences Propagation Delay.

Question 73

MSQ · Multiple Correct 2 mark

Which of the following protocols operate at the DATA LINK LAYER?

A Ethernet (IEEE 802.3) B HDLC (High-Level Data Link Control) C PPP (Point-to-Point Protocol) D IP (Internet Protocol)

Question 74

MSQ · Multiple Correct 2 mark

Which of the following statements regarding SLIDING WINDOW PROTOCOLS are CORRECT?

A In Stop-and-Wait ARQ, sender window size Ws = 1 and receiver window size Wr = 1. B In Go-Back-N ARQ, receiver window size Wr = 1. C In Selective Repeat ARQ, receiver window size Wr = Ws = $2^{k-1}$. D Go-Back-N buffers out-of-order frames at the receiver.

Question 75

MSQ · Multiple Correct 2 mark

Which of the following MAC protocols are COLLISION-FREE?

A Bit-Map Protocol B Token Ring (IEEE 802.5) C Binary Countdown D Pure ALOHA