Dưới đây là 9 câu hỏi được chọn ngẫu nhiên từ bài kiểm tra kiến thức C6 Building a distributed application on Hyperledger Fabric >> Hyperledger Fabric: Architecture. Là người dùng chưa được xác thực, bạn có quyền truy cập vào một nhóm giới hạn gồm 9 trong số 170 câu hỏi và bạn sẽ không thể xem câu trả lời chính xác cho những câu hỏi đó.
1/170: What happens if the required endorsements for a transaction are not present during validation?
- The transaction is sent to a different network for validation
- The transaction is added to the blockchain regardless
- The transaction is rejected by the validating peer
- The transaction is held in a pending state until all endorsements are present
2/170: Which of the following is a requirement for a peer to be an endorser in a blockchain network?
- It must belong to the channel where the transaction was initiated.
- It must be able to advertise blocks to the ordering service.
- It must have a chaincode installed on it.
- It must be able to simulate transactions.
3/170: What is the role of the ordering service in the consensus process in Fabric?
- Validating blocks
- Ordering transactions onto blocks
- Endorsing transactions
4/170: What is the purpose of storing assets on a ledger?
- To ensure data security and integrity
- To store data in a decentralized manner
- To maintain a record of financial transactions
- All of them
5/170: In a centralized ordering service, who is responsible for ordering the blocks?
- A group of nodes
- All of the nodes in the network
- A single node
- None of the nodes in the network
6/170: What is the role of an endorser?
- It takes an incoming transaction from the application, encrypts the transaction, and passes it to the ordering service.
- It takes an incoming transaction from the application, prints the transaction, and passes it to the ordering service.
- It takes an incoming transaction from the application, simulates the transaction, and passes it to the ordering service.
- It takes an incoming transaction from the application, deletes the transaction, and passes it to the ordering service.
7/170: What is the first step in the consensus process in Fabric?
- Validation
- Endorsement
- Ordering
8/170: What are the two main types of ledgers?
- Permissioned ledgers and permissionless ledgers.
- Distributed ledgers and centralized ledgers.
- Public ledgers and private ledgers.
- All of the above.
9/170: Who are the participants in the validation process?
- The peers
- The transaction initiator
- The ordering service
- The endorsers