Free Blockchain CBDH Exam Practice Questions & Explanations

Last updated on: Nov 15, 2026
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Question 1

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?

Answer Options
Correct Answer: A, B, C
Explanation

Rootcert, tcert and ecert. As The CA (Fabric CA by default) issues a root certificate (rootCert) to each member (organization or individual) that is authorized to join the network. The CA also issues an enrollment certificate (eCert) to each member component, server-side applications and occasionally end users. Each enrolled user is granted an allocation of transaction certificates (tCerts). Each tCert authorizes one network transaction.

Question 2

In Hyperledger Fabric

Answer Options
Correct Answer: D
Question 3

What is the advantage of the REST server?

Answer Options
Correct Answer: B
Question 4

What is the best description of how Kafka is utilized for consensus approach in Hyperledger Fabric?

Answer Options
Correct Answer: D
Explanation

Kafka essentially is a distributed, horizontally-scalable, fault-tolerant, commit log. The other answers are in correct.

References:

Question 5

A business wants only certain parties using the DLT to have visibility/access to their dat

a. This refers to the______challenge

Answer Options
Correct Answer: B