CBDH Fabric Practice Questions
The free CBDH: BTA Certified Blockchain Developer - Hyperledger questions that deal with fabric, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #1
What feature of Hyperledger Fabric enables handling of private transactions?
Correct answer: B
Explanation
Channels allow for private communication between a specific set of participants.
Question #2
In Hyperledger Fabric, what is the primary role of chaincode?
Correct answer: B
Explanation
Chaincode executes business logic and validates transactions on the network.
Question #3
Which Hyperledger Fabric component is responsible for consensus mechanisms?
Correct answer: B
Explanation
The Orderer is responsible for establishing consensus for the ordering of transactions.
Question #4
What do Fabric peers use to store the blockchain?
Correct answer: C
Explanation
Peers maintain a copy of the ledger to store the entire state of the blockchain.
Question #5
In Hyperledger Fabric, which of the following terms is associated with the validation of transactions?
Correct answer: B
Explanation
Endorsement policy specifies how many and which endorsements are required for validation.
Question #6
How does a Fabric network ensure the integrity of shared data?
Correct answer: D
Explanation
Hash functions are used in Fabric to ensure data integrity by producing unique hashes of data.
Question #7
In which scenario is it most beneficial to use Hyperledger Fabric?
Correct answer: D
Explanation
Hyperledger Fabric is best suited for applications requiring privacy and permissioned access.
Question #8
What language is primarily used to write chaincode in Hyperledger Fabric?
Correct answer: B
Explanation
Go is the primary programming language for writing chaincode in Hyperledger Fabric.
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