Blockchain and its Applications | Week 12
Course Name: Blockchain and its Applications
Course Link: Click Here
These are Blockchain and its Applications Assignment 12 Answers
Q1. Blockchain has been used in many Electronic Health Record based use cases.
a. False
b. True
Answer: b. True
Q2. In public blockchain the identity of the participants are not always known.
a. True
b. False
Answer: a. True
These are Blockchain and its Applications Assignment 12 Answers
Q3. Which of the following is/are advantages of blockchain?
a. Provides a decentralized platforms and marketplace
b. Can avoid intermediaries
c. Reduced cost of transactions
d. Better transparency
Answer: a, b, c, d
Q4. Which of the following is/are true for federated voting?
a. Nodes participate in voting process
b. Keep on voting any valid statement
c. Accept when a majority votes
d. Confirm when the quorum unanimously accepts a statement
Answer: a, b, c, d
These are Blockchain and its Applications Assignment 12 Answers
Q5. 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
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
These are Blockchain and its Applications Assignment 12 Answers
Q7. To allocate consumer requests among Service Providers, which of the following scheduling algorithms is implemented?
a. Fair Scheduling Algorithm
b. Capacity Scheduling Algorithm
c. Dynamic Round Robin
d. A* Algorithm
Answer: a. Fair Scheduling Algorithm
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: d. Either private or public state for a transaction
These are Blockchain and its Applications Assignment 12 Answers
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: c. The nodes elect themselves as a committee member by winning a local computation
These are Blockchain and its Applications Assignment 12 Answers
Q10. What are the advantages of Hyperledger?
a. Open source
b. Identities of parties must be known
c. Private channels
d. None of the above
Answer: a, c
These are Blockchain and its Applications Assignment 12 Answers
More Solutions of Blockchain and its Applications: Click Here
More NPTEL Solutions: http://13.235.254.184/nptel/
