WorksheetsFinal Assessment
Total questions: 20
Worksheet time: 10mins
Bitcoin comes under which type of DLT?
Public
Private
Consortium
Permissioned
What is the maximum number of Bitcoins that can be created?
51 Million
16 Million
21 Million
20 Million
Genesis block refers to the _____.
Last block created in the blockchain.
First block in the blockchain.
Largest block in the blockchain.
Smallest block in the blockchain.
Which of the following is not a consensus algorithm?
Proof of Work
Proof of Time
Proof of Stake
Proof of Authority
The Two General’s Problem can be solved using the PBFT consensus algorithm. (True/False)
True
False
According to blockchain transaction flow, when a node in a blockchain network receives a transaction it will first,
Last block created in the blockchain.
First block in the blockchain.
Largest block in the blockchain.
Smallest block in the blockchain.
Hyperledger Grid is a framework which provides a platform for ________
Identity Management
Supply chain solutions
Payment solutions
Asset management
Which of the following node maintains a complete copy of the blockchain?
Miner node
Lightweight node
Router node
Full node
In PoW, the concept of _________ is introduced, in order to adjust the puzzle-solving time.
Verify the transaction
Supply chain solutions
Payment solutions
Asset management
Which of the following statement is true?
In a private blockchain network, anyone can join the network.
Blockchain is not a peer to peer network.
A hashing algorithm always produces the same output for the same set of input.
It is possible to trace back the private key from the given public key.
Merkle trees used in Ethereum are called Merkle Patricia Trie. (True/False)
True
False
Smart contract in Ethereum refers to _____.
Difficulty
It is possible to trace back the private key from the given public key.
self executing program that resides in EVM.
consensus used in Ethereum network.
Which of the following is not a Test Network in Ethereum?
Ropsten
Kovan
Rinkeby
Mainnet
A smart contract in Ethereum removes the need for a trusted third party. (True/False)
True
False
Which of the following is not a variant of PoS?
True
False
Distributed Proof of Stake
Liquid Proof of Stake
A Sawtooth-Ethereum integration project which allows the interoperability of the Sawtooth platform to Ethereum.
Geth
Seth
EOS
Besu
How many peers do you need to endorse a transaction?
10
05
02
It depends on chain code logic.
In Hyperledger Sawtooth, business logic is written in _____.
Chaincode
Hyperledger Ursa
Transaction Processor
Validator
Which of the following step is not involved in the consensus mechanism of Hyperledger Fabric?
Transaction endorsement
Ordering
Mining
Validation and commitment
An immutable object representing a fact known by one or more Corda nodes at a specific point in time is known as:
Mining
State
Transaction
Key
