CBDH Exam Guide, Objectives & Preparation

Exam Overview

Exam Code	CBDH
Exam Name	Blockchain BTA Certified Blockchain Developer - Hyperledger
Vendor	Blockchain
Total Questions	195
Last Updated	26-Oct, 2026

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Free CBDH Practice Questions

Explore 11 free practice questions for the Blockchain CBDH exam and review the answers and explanations to support your preparation.

Question 1
Single answer

What type of ledger refers to a distributed ledger that doesn’t require a native currency to operate?
- Option A:
  Tokenless
  Correct
- Option B:
  Public
  Correct
- Option C:
  Enterprise
  Correct
- Option D:
  Private
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: A

Explanation

A tokenless ledger refers to a distributed ledger that doesn’t require a native currency to operate. Generally, in a private blockchain tokens are not needed due to resources controlled by one party.
Question 2
Single answer

When your developing with Fabric Composer which of the following is true?
- Option A:
  Decrease the time of development
  Correct
- Option B:
  Simplifies the development of applications
  Correct
- Option C:
  Simplifies the code integration of applications
  Correct
- Option D:
  Increases the time of development
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: A

Explanation

Hyperledger Composer is an 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.
Question 3
Single answer

A transaction in Hyperledger Fabric is a request to the blockchain to execute a function on the ledger. By what the function is implemented?
- Option A:
  Chaincode
  Correct
- Option B:
  Service Account
  Correct
- Option C:
  SDK
  Correct
- Option D:
  API
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: A

Explanation

Chaincode is programmatic logic. A transaction is a request to the blockchain to execute a function on the ledger. The function is implemented by a chaincode. Aka smart contracts References:
Question 4
Single answer

Which of the following is a role in Fabric that has permission to create transactions and query network data?
- Option A:
  Chain Transactor
  Correct
- Option B:
  Chain Administrator
  Correct
- Option C:
  Chain Auditor
  Correct
- Option D:
  Chain Member
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: A
Question 5
Single answer

An Answer: A is defined as a communication node that is responsible for the distribution of blockchain transactions in Hyperledger Fabric
- Option A:
  MSP
  Correct
- Option B:
  Peer Node
  Correct
- Option C:
  Client Node
  Correct
- Option D:
  Endorsing Node
  Correct
- Option E:
  Orderer
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: E
Question 6
Single answer

Blockchain solutions are comprised of four building blocks. Which of the following answers list the building blocks?
- Option A:
  Shared ledger, Privacy, Trust, and Smart Contracts or (Chaincode)
  Correct
- Option B:
  Shared ledger, Centralization, Trustless, and Smart Contracts or (Chaincode)
  Correct
- Option C:
  Shared ledger, Privacy, Trustless, and Smart Contracts or (Chaincode)
  Correct
- Option D:
  Shared ledger, Centralization, Trust, and Smart Contacts or (Chaincode)
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: A
Question 7
Single answer

Where are models stored when you develop a business network application model on Playground?
- Option A:
  On the web server hosting the Playground
  
  Correct
- Option B:
  File system
  
  Correct
- Option C:
  Browser storage
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: A
Question 8
Single answer

Relationship is created using the symbol:
- Option A:
  _ >
  
  Correct
- Option B:
  o
  
  Correct
- Option C:
  > >
  
  Correct
- Option D:
  -- >
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: C
Question 9
Multiple answers

Hyperledger Fabric Consensus is planned out into 3 phases. (Select three.)
- Option A:
  Validation
  
  Correct
- Option B:
  Scheduling
  
  Correct
- Option C:
  Ordering
  
  Correct
- Option D:
  Endorsement
  Correct
- Option E:
  Processing
  
  Correct
- Option F:
  Batching
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: A, C, D
Question 10
Multiple answers

The gossip data dissemination protocol performs which three functions? (Choose three.)
- Option A:
  Manages peer discovery and channel membership
  
  Correct
- Option B:
  Disseminates ledger data across all peers on the channel
  
  Correct
- Option C:
  Manages channel membership only
  
  Correct
- Option D:
  Sync ledger state across all peers on any channel
  
  Correct
- Option E:
  Sync ledger state across all peers on the channel
  
  Correct
- Option F:
  Manages peer discovery only
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: A, B, E
Question 11
Single answer

What must implement every chaincode?
- Option A:
  Golang
  Correct
- Option B:
  Chaincode Interface
  
  Correct
- Option C:
  Java
  
  Correct
- Option D:
  Linux APIs
  Correct
Show Answer & Explanation Hide Answer & Explanation

Correct Answer: B

Explanation

Chaincode Interface is required and supports Go, Node.js or Java.
References:

Free CBDH Practice Questions

Question 1

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

Tokenless

Public

Enterprise

Private

A tokenless ledger refers to a distributed ledger that doesn’t require a native currency to operate. Generally, in a private blockchain tokens are not needed due to resources controlled by one party.

Question 2

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

Decrease the time of development

Simplifies the development of applications

Simplifies the code integration of applications

Increases the time of development

Question 3

A transaction in Hyperledger Fabric is a request to the blockchain to execute a function on the ledger. By what the function is implemented?

Chaincode

Service Account

SDK

API

Chaincode is programmatic logic. A transaction is a request to the blockchain to execute a function on the ledger. The function is implemented by a chaincode. Aka smart contracts References:

Question 4

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

Chain Transactor

Chain Administrator

Chain Auditor

Chain Member

Question 5

An Answer: A is defined as a communication node that is responsible for the distribution of blockchain transactions in Hyperledger Fabric

MSP

Peer Node

Client Node

Endorsing Node

Orderer

Question 6

Blockchain solutions are comprised of four building blocks. Which of the following answers list the building blocks?

Shared ledger, Privacy, Trust, and Smart Contracts or (Chaincode)

Shared ledger, Centralization, Trustless, and Smart Contracts or (Chaincode)

Shared ledger, Privacy, Trustless, and Smart Contracts or (Chaincode)

Shared ledger, Centralization, Trust, and Smart Contacts or (Chaincode)

Question 7

Question 8

Question 9

Question 10

Question 11