Quiz on Distributed Ledger Technology

What is a Distributed Ledger (DLT)?

• A centralized database controlled by a single entity

• A database accessible only by administrators

• A type of database shared by a network of computers, allowing transparent and secure changes to the ledger

• A database used exclusively for cryptocurrency transactions

• A public server for storing personal data

Which of the following is not a feature of a Distributed Ledger?

• Decentralization

• Transparency

• Mandatory presence of cryptocurrency

• Presence of a consensus mechanism

• Immutability

What type of ledger does Bitcoin use?

• Account-based

• Token-based

• Proof of Stake

• UTXO-based

• Directed Acyclic Graph

Which technology is not a type of DLT?

• Blockchain

• Tangle

• Hashgraph

• Merkle tree

• SQL Database

How does Ethereum differ from Bitcoin in terms of ledger management?

• Bitcoin uses UTXO, while Ethereum uses an account-based model

• Ethereum uses UTXO, while Bitcoin uses an account-based model

• Both use the same ledger structure

• Ethereum's ledger is centralized

• Bitcoin supports smart contracts, Ethereum does not

Which consensus algorithm does the BNB Chain use?

• Proof of Work (PoW)

• Proof of Stake (PoS)

• Proof of Staked Authority (PoSA)

• Proof of Transfer (PoT)

• Proof of Activity (PoA)

What is an example of a non-blockchain DLT?

• Tangle

• Ethereum

• Bitcoin

• BNB Smart Chain

• Hyperledger

Which of the following is not a use case for DLTs?

• Storing and tracking legal documents

• Improving supply chain visibility

• Storing medical records

• Processing centralized financial transactions

• Tracking goods from raw materials to final products

What does UTXO stand for in the Bitcoin ledger?

• Ultra Transaction Exchange Order

• Unspent Transaction Output

• Unified Transaction Output

• Updated Transfer Exchange Option

• Universal Transaction Overwrite

Which feature of the BNB Smart Chain makes it attractive for developers?

• High transaction costs

• Slow transaction processing

• Cross-chain interoperability

• Lack of smart contract support

• Centralized governance