Layer 1 vs Layer 2 Solutions MCQs

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1. : Which of the following is a Layer 1 blockchain?





2. : What is the main purpose of Layer 2 solutions?





3. : Which of these is a Layer 2 solution for Bitcoin?





4. : Which technology is commonly used in Layer 2 solutions?





5. : Polygon is considered a ____ solution.





6. : Which of the following is NOT a Layer 2 solution?





7. : What is the function of Layer 1?





8. : Arbitrum operates as which type of solution?





9. : Which blockchain is considered a Layer 1 solution?





10. : Which of these is a Layer 2 solution for Ethereum?





11. : Lightning Network helps Bitcoin by ____.





12. : Which of the following uses sharding as a scalability method?





13. : Which layer is responsible for security and decentralization?





14. : Rollups rely on which layer for security?





15. : Which of the following is a Layer 1 blockchain?





16. : ZK-Rollups are associated with which solution type?





17. : Which of these is an advantage of Layer 2 solutions?





18. : Plasma is a ____ solution.





19. : Which of the following is NOT a Layer 1 chain?





20. : Which is an example of a Layer 1 blockchain improving scalability through consensus changes?





21. : Which of these is a Layer 2 solution based on optimistic rollups?





22. : Which blockchain is known as the first Layer 1?





23. : Validiums belong to which category?





24. : Which of the following is a primary challenge for Layer 1 blockchains?





25. : Which of the following is a Layer 2 network for faster Bitcoin transactions?





26. : Layer 1 blockchains directly execute ____.





27. : Which of these is a Layer 1 blockchain?





28. : Which layer typically reduces congestion on the main blockchain?





29. : Layer 2 solutions inherit security from ____.





30. : Which of the following is an example of Layer 2 scaling based on zero-knowledge proofs?





31. : Which blockchain is considered both Layer 1 and a platform for Layer 2s?





32. : Sidechains like Polygon are considered ____.





33. : Which of these blockchains is NOT a Layer 1?





34. : Which of the following uses optimistic rollups?





35. : Which blockchain operates as a Layer 1 and supports DeFi applications?





36. : Layer 2 solutions can be described as ____.





37. : Which of the following is a drawback of Layer 1 blockchains?





38. : Which of the following is an example of a sidechain Layer 2?





39. : The security of Layer 2 rollups depends on ____.





40. : Which blockchain is a Layer 1 with very high transaction throughput?





41. : Which is the main difference between Layer 1 and Layer 2?





42. : Which of the following is a Layer 1 blockchain known for interoperability?





43. : Which blockchain scaling solution is mainly used to reduce fees on Ethereum?





44. : Which of the following is a Layer 1 blockchain?





45. : Which of the following is NOT a function of Layer 2 solutions?





46. : Which is an example of a ZK-based Layer 2 scaling solution?





47. : Which blockchain is a Layer 1 smart contract platform?





48. : Layer 2 solutions are also known as ____.





49. : Which blockchain is a Layer 1 solution with proof-of-stake consensus?





50. : The purpose of Layer 2 is to ____.





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