COMPUTER SCIENCE SOLVED MCQS

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Web3 solved MCQs

  

Web3 solved MCQs

    1. What is Web3?
      a) A decentralized version of the internet
      b) A centralized version of the internet
      c) A social media platform
      d) A cloud computing service
      Answer: a) A decentralized version of the internet

    2. What is the primary goal of Web3?
      a) To create a user-owned internet
      b) To centralize data storage
      c) To replace traditional banking
      d) To improve social media algorithms
      Answer: a) To create a user-owned internet

    3. Which technology is the foundation of Web3?
      a) Blockchain
      b) Cloud computing
      c) Artificial intelligence
      d) Virtual reality
      Answer: a) Blockchain

    4. What is a decentralized application (dApp)?
      a) An app that runs on a centralized server
      b) An app that runs on a blockchain network
      c) A mobile app
      d) A desktop app
      Answer: b) An app that runs on a blockchain network

    5. Which of the following is a key feature of Web3?
      a) Decentralization
      b) Centralization
      c) Data silos
      d) Corporate control
      Answer: a) Decentralization

    6. What is the role of smart contracts in Web3?
      a) To automate and enforce agreements without intermediaries
      b) To store user data
      c) To provide internet connectivity
      d) To create social media platforms
      Answer: a) To automate and enforce agreements without intermediaries

    7. Which blockchain is most commonly associated with Web3 development?
      a) Bitcoin
      b) Ethereum
      c) Ripple
      d) Litecoin
      Answer: b) Ethereum

    8. What is a DAO in Web3?
      a) A decentralized autonomous organization
      b) A centralized organization
      c) A government agency
      d) A social media group
      Answer: a) A decentralized autonomous organization

    9. What is the purpose of a token in Web3?
      a) To represent ownership or access rights
      b) To store data
      c) To provide internet connectivity
      d) To replace fiat currency
      Answer: a) To represent ownership or access rights

    10. What is the difference between Web2 and Web3?
      a) Web2 is centralized, while Web3 is decentralized
      b) Web2 is decentralized, while Web3 is centralized
      c) Web2 uses blockchain, while Web3 does not
      d) Web2 is user-owned, while Web3 is corporate-owned
      Answer: a) Web2 is centralized, while Web3 is decentralized

    11. What is the role of IPFS in Web3?
      a) To provide decentralized file storage
      b) To provide centralized file storage
      c) To provide internet connectivity
      d) To create social media platforms
      Answer: a) To provide decentralized file storage

    12. What is the purpose of a cryptocurrency wallet in Web3?
      a) To store private keys and manage digital assets
      b) To store physical cash
      c) To provide internet connectivity
      d) To create social media accounts
      Answer: a) To store private keys and manage digital assets

    13. What is the term for the process of earning rewards for participating in a blockchain network?
      a) Staking
      b) Mining
      c) Trading
      d) Lending
      Answer: a) Staking

    14. What is the purpose of a decentralized exchange (DEX) in Web3?
      a) To enable peer-to-peer trading without intermediaries
      b) To store digital assets
      c) To provide internet connectivity
      d) To create social media platforms
      Answer: a) To enable peer-to-peer trading without intermediaries

    15. Which of the following is an example of a DEX?
      a) Uniswap
      b) Binance
      c) Coinbase
      d) Kraken
      Answer: a) Uniswap

    16. What is the purpose of a governance token in Web3?
      a) To allow holders to vote on protocol changes
      b) To store data
      c) To provide internet connectivity
      d) To replace fiat currency
      Answer: a) To allow holders to vote on protocol changes

    17. What is the term for the process of locking cryptocurrencies in a smart contract to provide liquidity?
      a) Liquidity mining
      b) Staking
      c) Trading
      d) Lending
      Answer: a) Liquidity mining

    18. What is the purpose of a decentralized identity (DID) in Web3?
      a) To provide user-controlled digital identities
      b) To store data
      c) To provide internet connectivity
      d) To replace social media accounts
      Answer: a) To provide user-controlled digital identities

    19. What is the term for the process of creating a new blockchain?
      a) Forking
      b) Mining
      c) Staking
      d) Trading
      Answer: a) Forking

    20. What is the purpose of a layer-2 solution in Web3?
      a) To improve scalability and reduce transaction costs
      b) To store data
      c) To provide internet connectivity
      d) To create social media platforms
      Answer: a) To improve scalability and reduce transaction costs

    21. Which of the following is an example of a layer-2 solution?
      a) Polygon
      b) Ethereum
      c) Bitcoin
      d) Ripple
      Answer: a) Polygon

    22. What is the purpose of an oracle in Web3?
      a) To provide external data to smart contracts
      b) To store data
      c) To provide internet connectivity
      d) To create social media platforms
      Answer: a) To provide external data to smart contracts

    23. Which of the following is an example of an oracle?
      a) Chainlink
      b) Ethereum
      c) Bitcoin
      d) Ripple
      Answer: a) Chainlink

    24. What is the purpose of a stablecoin in Web3?
      a) To provide price stability by pegging to a reserve asset
      b) To store data
      c) To provide internet connectivity
      d) To replace fiat currency
      Answer: a) To provide price stability by pegging to a reserve asset

    25. Which of the following is an example of a stablecoin?
      a) Tether (USDT)
      b) Ethereum
      c) Bitcoin
      d) Ripple
      Answer: a) Tether (USDT)

    26. What is the purpose of a non-fungible token (NFT) in Web3?
      a) To represent unique digital assets
      b) To store data
      c) To provide internet connectivity
      d) To replace fiat currency
      Answer: a) To represent unique digital assets

    27. Which of the following is an example of an NFT marketplace?
      a) OpenSea
      b) Binance
      c) Coinbase
      d) Kraken
      Answer: a) OpenSea

    28. What is the purpose of a metaverse in Web3?
      a) To create immersive virtual worlds
      b) To store data
      c) To provide internet connectivity
      d) To replace social media platforms
      Answer: a) To create immersive virtual worlds

    29. Which of the following is an example of a metaverse project?
      a) Decentraland
      b) Ethereum
      c) Bitcoin
      d) Ripple
      Answer: a) Decentraland

    30. What is the purpose of a decentralized finance (DeFi) platform in Web3?
      a) To provide financial services without intermediaries
      b) To store data
      c) To provide internet connectivity
      d) To replace traditional banks
      Answer: a) To provide financial services without intermediaries

    31. Which of the following is an example of a DeFi platform?
      a) Aave
      b) Binance
      c) Coinbase
      d) Kraken
      Answer: a) Aave

    32. What is the purpose of a yield farming protocol in Web3?
      a) To earn rewards by providing liquidity
      b) To store data
      c) To provide internet connectivity
      d) To replace traditional banks
      Answer: a) To earn rewards by providing liquidity

    33. What is the purpose of a decentralized storage network in Web3?
      a) To store data in a decentralized manner
      b) To provide internet connectivity
      c) To create social media platforms
      d) To replace traditional banks
      Answer: a) To store data in a decentralized manner

    34. Which of the following is an example of a decentralized storage network?
      a) Filecoin
      b) Ethereum
      c) Bitcoin
      d) Ripple
      Answer: a) Filecoin

    35. What is the purpose of a cross-chain bridge in Web3?
      a) To enable interoperability between blockchains
      b) To store data
      c) To provide internet connectivity
      d) To replace traditional banks
      Answer: a) To enable interoperability between blockchains

    36. Which of the following is an example of a cross-chain bridge?
      a) Polkadot
      b) Ethereum
      c) Bitcoin
      d) Ripple
      Answer: a) Polkadot

    37. What is the purpose of a zero-knowledge proof in Web3?
      a) To verify transactions without revealing sensitive data
      b) To store data
      c) To provide internet connectivity
      d) To replace traditional banks
      Answer: a) To verify transactions without revealing sensitive data

    38. Which of the following is an example of a zero-knowledge proof protocol?
      a) zk-SNARKs
      b) Ethereum
      c) Bitcoin
      d) Ripple
      Answer: a) zk-SNARKs

    39. What is the purpose of a decentralized autonomous organization (DAO) in Web3?
      a) To enable community-driven governance
      b) To store data
      c) To provide internet connectivity
      d) To replace traditional banks
      Answer: a) To enable community-driven governance

    40. Which of the following is an example of a DAO?
      a) MakerDAO
      b) Ethereum
      c) Bitcoin
      d) Ripple
      Answer: a) MakerDAO

    41. What is the purpose of a gas fee in Web3?
      a) To pay for transaction processing on a blockchain
      b) To store data
      c) To provide internet connectivity
      d) To replace traditional banks
      Answer: a) To pay for transaction processing on a blockchain

    42. Which of the following is an example of a blockchain with low gas fees?
      a) Solana
      b) Ethereum
      c) Bitcoin
      d) Ripple
      Answer: a) Solana

    43. What is the purpose of a consensus mechanism in Web3?
      a) To validate transactions and secure the network
      b) To store data
      c) To provide internet connectivity
      d) To replace traditional banks
      Answer: a) To validate transactions and secure the network

    44. Which of the following is an example of a consensus mechanism?
      a) Proof of Stake (PoS)
      b) Proof of Work (PoW)
      c) Delegated Proof of Stake (DPoS)
      d) All of the above
      Answer: d) All of the above

    45. What is the purpose of a sidechain in Web3?
      a) To enable faster and cheaper transactions
      b) To store data
      c) To provide internet connectivity
      d) To replace traditional banks
      Answer: a) To enable faster and cheaper transactions

    46. Which of the following is an example of a sidechain?
      a) Polygon
      b) Ethereum
      c) Bitcoin
      d) Ripple
      Answer: a) Polygon

    47. What is the purpose of a decentralized domain name system (DNS) in Web3?
      a) To provide human-readable addresses for blockchain resources
      b) To store data
      c) To provide internet connectivity
      d) To replace traditional banks
      Answer: a) To provide human-readable addresses for blockchain resources

    48. Which of the following is an example of a decentralized DNS?
      a) ENS (Ethereum Name Service)
      b) Ethereum
      c) Bitcoin
      d) Ripple
      Answer: a) ENS (Ethereum Name Service)

    49. What is the purpose of a decentralized identity (DID) in Web3?
      a) To provide user-controlled digital identities
      b) To store data
      c) To provide internet connectivity
      d) To replace social media accounts
      Answer: a) To provide user-controlled digital identities

    50. Which of the following is an example of a DID protocol?
      a) Sovrin
      b) Ethereum
      c) Bitcoin
      d) Ripple
      Answer: a) Sovrin


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