Blockchain BTA Certified Blockchain Developer - Hyperledger CBDH Exam Questions

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Total 195 questions
Question 1

Which of the following syntaxes will compile the chaincode?



Answer : B

References:


Question 2

The security module works in conjunction with the ________________________ module to provide access control service to any data recorded and business logic deployed on a chain network.



Answer : B

The security module works in conjunction with the membership service module to provide access control service to any data recorded and business logic deployed on a chain network.


Question 3

What is the process of turning cipher-text back into plaintext called?



Answer : C


Question 4

Members of the Hyperledger Fabric DLT network may be allowed to issue certificates to their employees and for their infrastructure



Answer : B


Question 5

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



Answer : B, C, D

Let's have a closer look at the structure of a block. It consists of three sections Block Header This section comprises three fields, written when a block is created. Block number: An integer starting at 0 (the genesis block), and increased by 1 for every new block appended to the blockchain. Current Block Hash: The hash of all the transactions contained in the current block. Previous Block Hash: A copy of the hash from the previous block in the blockchain.

References:


Question 6

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



Answer : A

Blockchain services manages the distributed ledger through a peer to peer protocol that is built on HTTP/2. The optimized data structure provides efficient schemes for maintaining the world state (the state of all transactions on the Blockchain) replicated at many participants.


Question 7

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



Answer : D

X509 certificates are used in Hyperledger Fabric. An X.509 certificate is any certificate under the X.509 specification standard for public key infrastructure and Privilege Management Infrastructure (PMI). The X.509 provides standardized formats for: Attribute certificates Public key certificates Certificate revocation lists Certification validation algorithms


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Total 195 questions