Blockchain BTA Certified Blockchain Developer - Hyperledger - CBDH FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

What component of Hyperledger Composer captures the core data in a business network including the business model, transaction logic, and access controls?

A. Business Network Adapter B. Business Network Archive C. Business Network Card D. Business Network API E. Business Network Interface

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Correct Answer: B Vote an answer

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Question 2

What type of peer executes chaincode?

A. Chaincode is not executed by a peer. B. Chaincode is executed by the client C. Ordered Peer D. Endorsing Peer E. Anchor peer

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Correct Answer: D Vote an answer

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Question 3

What is provided by the Hyperledger Fabric to facilitate network communications?

A. Java B. API C. Middleware D. SDK E. Golang

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Correct Answer: D Vote an answer

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Question 4

Exhibit.

Based on the code snippet displayed, if fn Is nil - what are the possibilities

A. An error is generated B. None of the above C. get is assumed and processed D. Shira.Error(err.ErrorO) is returned

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Correct Answer: C Vote an answer

Question 5

There is_________________when a transaction is validated and committed to the ledger:

A. Privacy B. Transparancy C. Immutability D. Confidentiality

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Correct Answer: B Vote an answer

Question 6

A member can participate in multiple Hyperledger blockchain networks by way of_______

A. Channels B. DLT C. World State D. Peers

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Correct Answer: A Vote an answer

Question 7

Which one is true? A developer of front end application that connects to the REST server:

A. needs to use the composer sdk and must understand how the REST API work B. does not have to learn the internals of the network application as they deal with plain REST API C. needs to use composer tool for generating the code for front end application

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Correct Answer: A Vote an answer

Question 8

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

A. Consensus Manager B. Reputation Manager C. Consensus Algorithm D. Distributed Ledger

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Correct Answer: D Vote an answer

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Question 9

Which of the following is the BEST definition of Decentralization?

A. Peer-to-Peer data sharing, hosting hardware owned by many not few, fault tolerant, secure, lower performance B. Distributed data sharing, hosting hardware owned by many not few, fault tolerant, secure, lower performance C. Peer-to-Peer data sharing, hosting hardware owned by a few not many, fault tolerant, secure, lower performance

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Correct Answer: A Vote an answer

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Question 10

Consensus on the Blockchain defines________________

A. The distribution of each data block B. Agreement of a valid transaction by all the network nodes C. Security between two blocks of data D. Basic security of the blockchain

Discussion 0

Correct Answer: B Vote an answer

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