NPTEL Computer Networks And Internet Protocol Week 3 Assignment Answers 2024

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NPTEL Computer Networks And Internet Protocol Week 3 Assignment Answers 2024

1. Consider that in the sliding window protocol, the packet sequence number is 4 bit long. What is the maximum window size?

a) 16
b) 15
c) 8
d) 32

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2. Flow control is primarily implemented in

a) Application layer
b) Session layer
c) Transport layer
d) Physical laye

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3. Consider the following statements and choose the correct option:
I. Self-clocking ensures that no two packets in the network have the same sequence number
II. ICP uses self-clocking

a) Only I is correct
b) Only Il is correct
c) None of the statements are correct
d) Both the statements are correct

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4. Which statement (s) is/are true for Go Back N ARQ protocol?

a) All segments from 0 to N are retransmitted if segment N is lost
b) All segments from 1 to N are retransmitted if segment N is lost
c) All segments from 0 to (N-1) are retransmitted if segment N is lost
d) All segments from 1 to (N-1) are retransmitted if segment N is lost

Answer :- 

5. In sliding window protocol, if the sender window size is made 10. Then, how many frames would be in the window after transmitting 10 frames?

a) 0
b) 1
c) 10
d) Cannot be defined

Answer :- 

6. If an application requires reliable communication, which transport layer protocol would be used ?

a) ARP
b) RARP
c) TCP
d) UDP

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7. Statement: The delayed duplicate problem can be solved using ICP two-way handshaking method. The above statement is:

a) True
b) False

Answer :- 

8. What is the maximum size of the sender and receiver window in Stop and wait protocol?

a) 1
c) 4
b) 2
d) 8

Answer :- 

9. Consider the following statements concerning to the selective repeat protocol and choose the correct option:
I. Only the lost or error frames are retransmitted
II. The retransmitted frames are always received in sequence

a) Only I is correct.
b) Only II is correct.
c) Both I and II are correct.
d) None of the statements are correct.

Answer :- 

10. In UNIX operating system, the transport layer protocols are implemented as a part of

a) hardware
b) firmware
c) kernel
d) none of these

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