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 is the purpose of Ethereum?
- To provide a platform for social networking
- To provide a decentralized platform for financial transactions
- To provide a platform for food delivery
- To provide a platform for online gaming
2/412: What information is included in an Ethereum transaction receipt?
- Amount of Ether sent
- Gas limit and gas price
- Sender and receiver addresses
- All of them
3/412: What is the difference between a hard fork and an unintentional fork?
- A hard fork results in the creation of a new cryptocurrency, while an unintentional fork does not
- A hard fork is planned, while an unintentional fork is not
- A hard fork always results in two valid chains, while an unintentional fork results in only one valid chain
- A hard fork is caused by competing nodes, while an unintentional fork is caused by a software upgrade
4/412: How often is the network state captured in Ethereum?
- Every day
- Every 15 seconds
- Every hour
- Every minute
5/412: What is the role of nodes in sharding?
- To download the entire blockchain network
- To verify all the transactions on the network
- To work on specific shards without downloading the whole network
- To maintain the network infrastructure
6/412: What messaging protocol does Ethereum use to communicate between nodes?
- None of the above
- JSON-RPC
- XML-RPC
- SOAP
7/412: What is the limit specified by the 'Byzantine General Theory'?
- The number of seconds to send a message in the system
- The number of nodes in the system
- The number of faulty nodes in the system
- The number of reliable messages in the system
8/412: What is the purpose of Message Calls?
- To transfer Ether from one EOA to another EOA.
- To create and install new Ethereum contracts.
- To execute the associated code on the recipient contract account.
- None of the above.
9/412: Why is LevelDB well-suited for storing the state of the Ethereum blockchain?
- Because it is optimized for high read and write throughput
- Because it is a key-value store
- All of them
- Because it provides efficient compression of data