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Blockchain CBDH Exam
BTA Certified Blockchain Developer – Hyperledger (Page 7 )

Updated On: 19-Jan-2026
Page 7 of 40
PDF with 195 Questions

What is a web-based tool allows developers to learn Hyperledger Composer, model out their business network (domain), test that network, and deploy that network to a live instance of a blockchain network?

  1. Hyperledger Composer Runtime
  2. Hyperledger Composer Playground
  3. Hyperledger Explorer
  4. Hyperledger Quilt

Answer(s): B

Explanation:

This web-based tool allows developers to learn Hyperledger Composer, model out their business network (domain), test that network, and deploy that network to a live instance of a blockchain network. The playground keeps the development model in browser storage, allowing them to be easily uploaded or downloaded. The playground also allows for CRUD (create, read, update, delete) operations to be performed on asset transactions which are created and logged. Composer playground offers a repository of sample business networks that can provide a base for building your
own business network.



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

  1. Packing
  2. Encryption
  3. Decryption
  4. Hashing

Answer(s): C

Explanation:



Chaincode Services uses___________________ to host (deploy) the chaincode.
What does Chaincode services in Hyperledger use?

  1. Virtual Machines
  2. Kubernetes
  3. Deployment Manager
  4. Yaml
  5. Docker

Answer(s): E

Explanation:

Chaincode Services uses Docker to host (deploy) the chaincode without relying on any virtual machine or computer language. Docker provides a secured, lightweight method to sandbox chaincode execution. The environment is a "locked down" and secured container, along with a set of signed base images containing secure OS and chaincode language, runtime and SDK images for Golang. Additional programming languages can be enabled, if required.



What function is used to call the shim.Start function below?

  1. import
  2. init
  3. main
  4. type

Answer(s): C



Which Hyperledger Tool brings on demand as-a-service deployment model into the blockchain ecosystem in order to reduce the effort required to create, manage, and terminate blockchains?

  1. Composer
  2. Cello
  3. Caliper
  4. Quilt
  5. Explorer

Answer(s): B

Explanation:

Hyperledger Cello is a blockchain provision and operation system, which helps manage blockchain networks in an efficient way. Cello is a tool that could be used for example by vendors and VARs to provide a BaaS to their customer base.



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