NPTEL Blockchain and its Applications Week 1 Answers 2023

Hey Students, In this Post, you will find NPTEL Blockchain and its Applications Week 1 Assignment 1 Answers 2023. All the Answers are provided below to help the students. First try to solve the questions by yourself. If you find any difficulty, then look for the solutions.

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NPTEL Blockchain and its Applications Week 1 Answers 2023
NPTEL Blockchain and its Applications Week 1 Answers 2023

NPTEL Blockchain and its Applications Week 1 Answers 2023:

Q.1. In which of the following penetration testing models, no information about the network is given to tester?

  • White box model.
  • Black box model.
  • Red box Model.
  • Gray box model.
  • None of these


Q.2. Which of the following statement(s) is/are true for a circuit switched network?

  • A communication link can be shared by more than one connection.
  • A communication link is dedicated to a connection and cannot be shared with other connections.
  • The packet transter delay between a pair of nodes may depend on the prevailing network traffic.
  • The packet transfer delay between a pair of nodes is more or less constant during the entire period of the connection.
  • It is efficient for bursty traffic.



Q.4. Which of the following statement(s) is/are true for virtual circuit based packet transfer approach ?

  • It is a connection-oriented approach, where a route is established priori to transfer of packets.
  • In this approach, each packets follows distinct path.
  • The intermediate node can perform dynamic routing.
  • All the packets reach in order to the destination. It is a true packet switched network.


Q.5. Which of the following OSI layers is responsible for end-to-end reliable data transfer, with error recovery and flow control?

  • Session layer
  • Transport layer
  • Network layer
  • Datalink layer
  • Physical layer


Q.6. Which of the following is/are false for TCP/IP model?

  • It allows cross-platform communications among heterogeneous networks.
  • It is a scalable client-server architecture which allows network modification without disrupting the current services.
  • It can also represent any other protocol stack other than the TCP/IP suite such as Bluetooth connection.
  • None of these.


Q.7. Which of the following is true for the IP?

  • It uniquely identifies a network interface of a computer system.
  • It uniquely identifies a host in the network.
  • It indicates how many hardware ports are there in the computer system.
  • None of these.


NPTEL Blockchain and its Applications Week 1 Answers👇

Q.8. How many bits are used for IP address (in IP version 4) and port number respectively?

  • 32,8
  • 32, 16
  • 48, 8
  • 48, 16


Q.9. If a 2000 byte data message is sent using a IFTP, the corresponding Ethernet packet will be of Size_________ bytes.


Q.10. If the IP header is 192 bits long, what will be the value (in decimal) of the “HLEN” field______?


Disclaimer: This answer is provided by us only for discussion purpose if any answer will be getting wrong don’t blame us. If any doubt or suggestions regarding any question kindly comment. The solution is provided by freshersworkjob. This tutorial is only for Discussion and Learning purpose.

About NPTEL Blockchain and its Applications Course:

In the last few years, Blockchain technology has generated massive interest among governments, enterprises, and academics, because of its capability of providing a transparent, secured, tamper-proof solution for interconnecting different stakeholders in a trustless setup. In January 2021, the Ministry of Electronics and Information Technology (MeiTY), Government of India, published the first draft of the “National Strategy on Blockchain” that highlights 17 potential applications that are of national interest. Against this backdrop, this subject will cover the basic design principles of Blockchain technology and its applications over different sectors.

Course Layout:

  • Week 1: Introduction to Blockchain Technology and its Importance
  • Week 2: Basic Crypto Primitives I – Cryptographic Hash
  • Week 3: Basic Crypto Primitives II – Digital Signature
  • Week 4: Evolution of the Blockchain Technology
  • Week 5: Elements of a Blockchain
  • Week 6: Blockchain Consensus I – Permissionless Models
  • Week 7: Blockchain Consensus II – Permissioned Models
  • Week 8: Smart Contract Hands On I – Ethereum Smart Contracts (Permissionless Model)
  • Week 9: Smart Contract Hand On II – Hyperledger Fabric (Permissioned Model)
  • Week 10: Decentralized Identity Management
  • Week 11: Blockchain Interoperability
  • Week 12: Blockchain Applications

If you have not registered for exam kindly register Through


Average assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

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