Nodes and Network Types MCQs

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1. : What is a node in a blockchain network?





2. : Which type of node stores the entire blockchain history?





3. : What do light nodes mainly store?





4. : Which type of node validates new transactions and blocks?





5. : What is a mining node responsible for?





6. : Which type of node does not keep a full copy of the blockchain?





7. : What is a masternode typically used for?





8. : Which type of network connects all nodes equally without hierarchy?





9. : In a centralized network, what controls communication?





10. : Which network type is more resilient to single point of failure?





11. : What do validator nodes do in Proof-of-Stake systems?





12. : Which type of node broadcasts transactions across the network?





13. : What is a pruning node?





14. : Which node type can participate in governance decisions?





15. : In a distributed network, nodes are:





16. : A node that only receives data but doesn’t contribute is called:





17. : Which type of node is essential for network security and decentralization?





18. : In a peer-to-peer network, transactions are verified by:





19. : What is the main disadvantage of centralized networks?





20. : What type of network is blockchain considered?





21. : Which node helps light nodes by providing data?





22. : What is an archival node?





23. : Which type of network has a combination of central and decentralized elements?





24. : What is a super node?





25. : Which type of node usually requires staking a large number of coins?





26. : In a mesh network, nodes are connected:





27. : A thin client in blockchain is also known as:





28. : Which network type requires fewer resources but is less secure?





29. : What is the role of orphan nodes?





30. : Which type of network ensures maximum redundancy?





31. : Which node is required for mining rewards?





32. : Which blockchain commonly uses masternodes?





33. : What is the main job of a validator node in PoS?





34. : Which network topology is most common for blockchains?





35. : Which node may be used for blockchain explorers?





36. : Which type of network is least scalable?





37. : Which node type is optimized for performance and routing?





38. : In Proof-of-Work, full nodes verify:





39. : Which node consumes the least disk space?





40. : What is the purpose of bootstrap nodes?





41. : Which type of network is the Internet mostly based on?





42. : Which blockchain introduced sharding for scalability?





43. : Which type of node can run on mobile devices?





44. : Which network ensures maximum speed but less redundancy?





45. : A wallet connected to a blockchain is essentially a:





46. : What is a consensus node?





47. : Which node type syncs the fastest?





48. : In a blockchain network, nodes communicate through:





49. : Which type of network provides highest fault tolerance?





50. : Which type of node is essential for consensus mechanisms?





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