Final Exam Part 1 – Ethereum 2.0 Mastery Course (Batch – 2) – Student Portal

What is the purpose of the Beacon Chain in Ethereum 2.0?

To store and manage shard chains

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To handle smart contract execution

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To coordinate the consensus among validators

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To facilitate cross-chain communication

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How does Ethereum 2.0’s shard chains improve scalability?

By increasing the block size limit

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By introducing parallel transaction processing

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By reducing the block time

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By optimizing the gas fee algorithm

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What is the role of the Crosslink in Ethereum 2.0’s shard chains?

To validate transactions between shard chains

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To synchronize data between shard chains and the Beacon Chain

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To manage the state of each shard chain

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To calculate the total gas fees for each shard chain

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How does Ethereum 2.0’s Proof of Stake consensus mechanism differ from Proof of Work?

PoS requires validators to solve complex mathematical problems

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PoS relies on computational power to secure the network

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PoS selects validators based on the amount of cryptocurrency they hold

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PoS allows anyone to participate in block validation

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What is the purpose of the ETH2 Deposit Contract?

To convert ETH1 into ETH2 tokens

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To lock up ETH1 as collateral for staking in Ethereum 2.0

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To convert ETH2 rewards into ETH1

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To facilitate cross-chain swaps between Ethereum 1.0 and Ethereum 2.0

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Ethereum 2.0’s shard chains can process transactions independently without requiring confirmation from the Beacon Chain

True

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False

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Validators in Ethereum 2.0 are randomly selected from a pool of candidates based on their stake and performance history

True

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False

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Ethereum 2.0’s transition to Proof of Stake eliminates the need for mining and the associated energy consumption

True

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False

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The Beacon Chain in Ethereum 2.0 is responsible for managing the overall state of the network, including validator balances and rewards

True

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False

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Ethereum 2.0’s shard chains use a common proof-of-work algorithm to reach consensus

True

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False

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Final Exam Part 1 – Ethereum 2.0 Mastery Course (Batch – 2)

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