Dưới đây là 9 câu hỏi được chọn ngẫu nhiên từ bài kiểm tra kiến thức C4 Blockchain: Basics and Applications >> Ethereum Fundamentals. Là người dùng chưa được xác thực, bạn có quyền truy cập vào một nhóm giới hạn gồm 9 trong số 412 câu hỏi và bạn sẽ không thể xem câu trả lời chính xác cho những câu hỏi đó.
1/412: What happens when a new block is created in Ethereum?
- The network state is captured
- The blockchain is split into two separate chains
- All previous transactions are deleted
- The network state is reset
2/412: What is the difference between a Contract Creation Call and a Contract Deployment?
- There is no difference, they are two terms for the same thing.
- Contract Deployment refers to the process of writing and testing a contract, while a Contract Creation Call refers to the actual creation of the contract on the blockchain.
- Contract Deployment refers to the process of creating a contract account, while a Contract Creation Call refers to the process of initializing the contract code.
- None of the above.
3/412: During times of high network congestion, what can users do to reduce Gas fees in the Ethereum network?
- Wait for network congestion to subside
- Decrease the Gas Price
- Increase the Gas Price
- Cancel the transaction
4/412: What is a hash on Etherscan?
- An encrypted password
- A type of smart contract
- A unique identifier for a transaction
- A unit of cryptocurrency
5/412: What was the main objective of Ethereum developers?
- To compete with Bitcoin
- To create a digital cryptocurrency
- To build a blockchain for payments only
- To build a blockchain for various applications
6/412: Can a smart contract execute code without first receiving a transaction from an externally controlled account?
- It depends on the smart contract code
- It depends on the blockchain protocol
- No
- Yes
7/412: Byzantine generals problem: What is the maximum number of faulty nodes allowed in a distributed system with 3f+1 nodes?
- 3f
- 2f
- 4f
- f
8/412: What is the purpose of the gas limit in a transaction?
- To ensure that the transaction is successful.
- To determine the amount of cryptocurrency being transferred.
- To limit the amount of gas used during execution.
- To verify the sender's address.
9/412: What is the reward for mining a block in Ethereum?
- A percentage of the transaction fees in the block
- A reward token created by the miner
- A fixed amount of Bitcoin
- A predetermined amount of Ether