Are you looking for the Answers to NPTEL Blockchain and its Applications Assignment 9? This article will help you with the answer to the National Programme on Technology Enhanced Learning (NPTEL) Course “ NPTEL Blockchain and its Applications Assignment 9 “
What is Blockchain and its Applications?
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. Additionally, the course also provides tutorials on setting up blockchain applications using one of the well-adopted permissionless blockchain platforms – Ethereum, and one permission blockchain platform – Hyperledger.
CRITERIA TO GET A CERTIFICATE
Average assignment score = 25% of the 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 THE 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.
Below you can find the answers for NPTEL Blockchain and its Applications Assignment 9
| Assignment No. | Answers |
|---|---|
| Blockchain and its Applications Assignment 1 | Click Here |
| Blockchain and its Applications Assignment 2 | Click Here |
| Blockchain and its Applications Assignment 3 | Click Here |
| Blockchain and its Applications Assignment 4 | Click Here |
| Blockchain and its Applications Assignment 5 | Click Here |
| Blockchain and its Applications Assignment 6 | Click Here |
| Blockchain and its Applications Assignment 7 | Click Here |
| Blockchain and its Applications Assignment 8 | Click Here |
NPTEL Blockchain and its Applications Assignment 9 Answers:-
Q1. Which of following statements are the true for PBFT
a) It requires a dynamic consensus group
b) For scalability it requires O(n) for communication complexity
c) create multiple pseudonymous identities to subvert the 3f+1 requirements of PBFT
d) None of the above
Answer: c)
Q2. Which of the following sequence of steps is valid for Algorand?
i. A block is prepared
ii. Run Byzantine agreement on the block
iii. Prepare the digital signature and propagate
iv. Block is propagated through gossiping
a) i, iv, ii, iii
b) i, ii, iv, iii
c) i, ii, iii, iv
d) i, iii, ii, iv
Answer: a)
Q3. Strong Synchrony ensures liveness of protocol Algorand. True of False
a) True
b) False
Answer: a)
Q4. Algorand is not always safe under weak synchrony. True of False
a) True
b) False
Answer: b)
Next Week Assignment Answers
Q5. 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: c)
Q6. Which of the following is not a valid component in Distributed Identifiers(DID) Architecture.
a) DID Controller
b) DID Validator
c) Verifiable Data Registry
d) DID Subject
Answer: b)
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Q7. Consider the following statement – “Say Alice has generated two Distributed Identifiers (DID) DID1 and DID2 for three of her pairwise relationships maintained in Hyperledger Indy”. Which part of the above statement is false with respect to the concepts of Hyperledger Indy?
a) Generation of DID by Alice
b) Two DID(s) for 3 pairwise relationships
c) The above statement is completely correct
d) Both parts of the statement are wrong
Answer: b)
Q8. In Verifiable Credential (VC), a claim is a statement about a ____________.
a) Holder
b) Issuer
c) Subject
d) Verifier
Answer: c)
Q9. Which of the following statements is/are true
I. In Hyperledger Indy, any party can read the ledger.
II. In Hyperledger Indy, only registered parties and can write to the ledger.
a) I
b) II
c) I, II
d) None of the above
Answer: c)
Q10. Which of the following sequence of steps is valid for DID Registration?
i. Register DID
ii. Create DID Document
iii. Fetch DID Document
iv. Update DID Document
a) ii, i, iv, iii
b) ii, iv, iii, i
c) ii, iv, i, iii
d) i, ii, iii, iv
Answer: a)
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NPTEL Blockchain and its Applications Assignment 9 Answers 2022
