NPTEL Advanced Computer Networks Assignment Week 5 Answers 2024

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NPTEL Advanced Computer Networks Assignment Week 5 Answers 2024

1. What does IMP, the first-generation gateway device stand for?

  • Internet Message Protocol
  • Internal Mail Processor
  • Interface Message Protocol
  • Interface Message Processor
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2. Which of the following is considered the world’s first operational packet switching network protocol?

  • Transmission Control Protocol.
  • User Datagram Protocol
  • Network Control Protocol
  • Internet Protocol
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3. The first internet message was exchanged between which of the following stations?

  • UCLA and SRI
  • UCSB and UCLA
  • UTAH and UCSB
  • SRI and UTAH
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4. Which of the following is a synonym for Layer 4 PDU?

  • IP Datagram
  • Segment
  • Frame
  • Fragment
Answer :- 

5. PDU of Layer N is equivalent to __.?

  • SDU of Layer (N+1)
  • SDU of Layer (N-1)
  • Layer N Header and SDU of Layer (N)
  • Layer N Header and PDU of Layer (N+1)
Answer :- 

6. Answer Which of the following statements is/are correct about horizontal communication in layered architecture?

  • It represents a peer-to-peer layer communication model.
  • The mode of communication between peers is indirect/virtual.
  • It requires full knowledge of the vertical layers that communicate with each other.
  • None of the above
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7. Which of the following do not adhere to Cerf and Khan’s internetworking principles?

  • Best effort service
  • Circuit switching with resource prioritization.
  • Decentralized control
  • Guaranteed delay
Answer :- 

8. Which of the following is/are true about End2End principle?

  • For correct operation, network must be stateful.
  • For correct operation, network must be stateless.
  • Intelligence about the service/function must only be at the end points
  • Intelligence about the service/function must be at both the end points and network.
Answer :- 

9. What does the robustness principle mean?

  • Network must be robust to handle different failures.
  • End points must be robust against network failures
  • Network must be designed to be interoperable.
  • Network must be robust against malicious data.
Answer :- 

10. Which of the following statements are true about network ossification mean?

  • As networks grow, they become more resistant to changes.
  • Ossification hinders the prospects of innovation.
  • Provides impetus to a competitive market.
  • None of the above
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