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NPTEL Blockchain and its Applications | Week 12 Assignment Answers 2024

 For NPTEL Blockchain and its Applications Week 12 Assignment Answers in 2024, the best resources include:

NPTEL Blockchain and its Applications | Week 12 Assignment Answers 2024



NPTEL Official Website: Check the official NPTEL website for course materials, lecture videos, and assignment guidelines specific to Week 12.

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Q1. What of the following Indy transaction inserts a DID record in the Indy ledger?

a. INSERT

b. INSERTDID

c. NYM

d. CREATE


Answer: b. INSERTDID


Q2. Ubin project is based on Blockchain and Distributed Ledger Technology (DLT) for clearing and settlement of payments and securities

a. True

b. False


Answer: a. True


Q3. Does the information transferred to consumer: Consortium information such as catalog, pricing, etc.

a. Not sensitive

b. Sensitive


Answer: b. Sensitive


Q4. How does an application program interact with the Fabric network?

a. Application program runs chaincodes which commit data to the ledger.

b. Application program connects to the Orderer(s) to interact with the Fabric network.

c. Application program uses the Fabric SDK to connect to a Fabric Peer which in turn connects to the Fabric network.

d. Application program directly connects to a particular Fabric Channel in the network.


Answer: c. Application program uses the Fabric SDK to connect to a Fabric Peer which in turn connects to the Fabric network.


Q5. What is the correct order of phases in Project Ubin?

i. Cross-border Payment versus Payment (PvP)

ii. Tokenized SGD

iii. Delivery versus Payment (DvP)

iv. Re-imagining RTGS

v. Enabling Broad Ecosystem Collaboration

a. i, ii, iii, iv, v

b. ii, iv, iii, i, v

c. ii, iii, v, vi, i

d. i, iii, v, ii, iv


Answer: b. ii, iv, iii, i, v


Q6. In which of the attacks, end-user consumers can create multiple accounts/identities for accessing the consortium services?

a. Byzantine faults

b. Sybil attacks

c. Impersonation attacks

d. Sensitive information Leakage


Answer: b. Sybil attacks


Q7. When does Algorand reach a tentative consensus?

a. During strong synchrony only

b. During weak synchrony under partial network connectivity only

c. During both strong synchrony and weak synchrony

d. During weak synchrony under full network connectivity only


Answer: c. During both strong synchrony and weak synchrony


Q8. Quorum supports transactions with

a. Only private state

b. Only public state

c. Both private and public state at the same time

d. Either private or public state for a transaction


Answer: c. Both private and public state at the same time


Q9. Which of the following is true about the selection of the random committee in the Algorand network?

a. There is a dedicated node which chooses the nodes to form the committee

b. A distributed algorithm decides the list of nodes participating in the committee

c. The nodes elect themselves as a committee member by winning a local computation

d. A specific pool of node choose are given the responsibility of forming the committee


Answer: b. A distributed algorithm decides the list of nodes participating in the committee


Q10. What is the primary function of a channel in a Hyperledger Fabric network?

a. To validate and order transactions on the blockchain

b. To restrict access to specific participants in the network

c. To store the complete history of all transactions

d. To deploy and execute smart contracts


Answer: b. To restrict access to specific participants in the network



NPTEL Discussion Forums: Engage with fellow learners on NPTEL's discussion forums. You can ask questions, share insights, and collaborate on assignment solutions.


Blockchain Books: Explore textbooks on blockchain technology and its applications to deepen your understanding of the subject matter covered in Week 12.


Online Blockchain Communities: Join online communities such as Reddit's r/blockchain or Stack Exchange's Blockchain forum to access a wealth of information, discussions, and expert insights on blockchain.


YouTube Tutorials: Supplement your learning with educational YouTube channels dedicated to blockchain technology. These channels often provide practical demonstrations and explanations that can help clarify concepts covered in the course.


Academic Journals and Research Papers: Dive into academic journals and research papers related to blockchain and its applications. Platforms like Google Scholar or IEEE Xplore can be valuable sources for scholarly articles.


Utilize these resources effectively by actively engaging with the course materials, participating in discussions, seeking clarification when needed, and conducting thorough research to strengthen your understanding of blockchain and its applications.

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