BTA Certified Blockchain Developer – Hyperledger CBDH Dumps

1. Level DB is the default database for Hyperledger Fabric and is particularly appropriate when ledger states comprise what type of data?

2. When creating a network according to an organization's structure and also bootstrap a channel what are the following artifacts we would need to generate?

3. Which Hyperledger tool would you select to invoke, deploy or query blocks, transactions and associated data, network information (name, status, list of nodes), chain codes and transaction families, as well as other relevant information stored in the ledger?

4. Blockchain services consists of three major components.

What are they? (Select three.)

5. The gossip data dissemination protocol performs which three functions? (Choose three.)

6. The Hyperledger Fabric framework is implemented on what programming environment?

7. You would like to download Hyperledger Fabric.

What would be the command to start the process?

8. What Hyperledger sponsored tool is a new open-source application development framework, which simplifies the creation of Hyperledger Fabric blockchain applications, thus reducing the time and complexity of development.

The tool aims at helping users to create blockchain applications based on Hyperledger Fabric without needing to know the low-level (Go Programming) details involved in blockchain networks?

9. The CA (Certificate Authority) in Hyperledger Fabric issues the certificates. These certificates are used for identity validation and for transmission of encrypted data that only the owner (person, organization or software) of a specific certificate is able to decrypt and read.

What types of certificates are issued by the CA?

10. Hyperledger Composer has the following two main components.

11. What type of organization can be thought of as a corporation run without any human involvement under the control of an incorruptible set of business rules?

12. Chaincode in Hyperledger Fabric is a decentralized transactional program which is running on the validating nodes. Chaincode implements the Chaincode interface in particular, Init and Invoke functions.

Which two statements about Chaincode is correct? (Select two.)

13. Blockchain solutions are comprised of four building blocks.

Which of the following answers list the building blocks?

14. An_____________ is defined as a communication node that is responsible for the distribution of blockchain transactions in Hyperledger Fabric.

15. The ledger system in Hyperledger Fabric uses what database by default?

16. Which of the following is a role in Fabric that has permission to create transactions and query network data?

17. Hyperledger is an open source project that came out of the ___________________________. It was created in order to help advance _____________________________blockchain technologies. It's a global open source collaboration involving leaders from numerous industries.

18. A transaction in Hyperledger Fabric is a request to the blockchain to execute a function on the ledger.

By what the function is implemented?

19. When your developing with Fabric Composer which of the following is true?

20. Chaincode Services uses Docker to host (deploy) the chaincode without relying on any virtual machine or computer language.

What would be the main reason or best reason that Hyperledger chose containers over virtual machines?

21. What type of ledger refers to a distributed ledger that doesn’t require a native currency to operate?

22. What is the application that is used by Hyperledger Fabric to communicate with the network?

23. Which of the following statements would be the best answer when it comes to channels and the use of ordering services in Hyperledger Fabric?

24. Which of the following would NOT be true about what a smart contract (Chaincode) gives your organization?

25. What type of peer executes chaincode?

26. What type of certificates act as secure identifiers, digital passports which contain information about the owner in Hyperledger Fabric certificate management?

27. Consensus on the Blockchain defines________________

28. Which of the following is the BEST definition of Decentralization?

29. Which of the following is the best answer when reviewing a "Code Invoking Transaction" in Hyperledger Fabric?

30. You’re currently investigating Hyperledger and would like to confirm that there is a set of collaboration tools for building blockchain business networks that accelerate the development of smart contracts and blockchain applications.

What is the solution that meets the requirement?

31. In Hyperledger Fabric, there are three types of peer nodes depending upon the assigned roles.

What are three types? (Choose three.)

32. What certificate is granted an "allocation" of transaction certificates to each user?

33. Chaincode with Hyperledger Fabric can be written in what development languages? Select All that apply.

34. The advantages of using Hyperledger Fabric include which of the following?

35. In regards to Fabric blockchain blocks. The structure of a "block header" consists of three sections when it is written. (Select three.)

36. Hyperledger blockchain frameworks reach consensus by performing two separate activities.

What are the two activities? (Select two.)

37. All of the following are key terms in Cryptography EXCEPT?

38. The Hyperledger Project Framework of blockchains is meant for specific use cases for enterprise.

Which blockchain includes a novel consensus algorithm, Proof of Elapsed Time (PoET)?

39. Which tool would you select to that would allow users to measure performance of a specific implementation with predefined use cases?

40. What component on the blockchain maintains the "world state"?

41. Hyperledger Fabric Consensus is planned out into 3 phases.

Which one is NOT a phase?

42. Hyperledger Fabric essentially implements a private validator network protocol.

Which of the following statements are true?

43. Which of the following provides Immutability?

44. Blockchain services in Hyperledger Fabric manages the distributed ledger through a peer to peer protocol that is built on ______?

45. Which of the following blockchain key components state how the transactions will be confirmed?

46. What must implement every chaincode?

47. Query is called whenever you query your chaincode's state. Queries do not result in blocks being added to the chain, and you cannot use certain functions.

Which function can you not use inside a Query?

48. _________is called to update or query the ledger in a proposal transaction. This is called by the chaincode.

49. What means "Forking" the Hyperledger Fabric Github repository? (Select two.)

50. The chaincode’s interface implements which of the following functions?