CBDH

CBDH practice questions, page 4 of 5, with answer review and explanations.

Question 16

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

  1. Chain Transactor
  2. Chain Administrator
  3. Chain Auditor
  4. Chain Member

Question 17

Hyperledger is an open source project that came out of the ___________________________. It was created in order to help advance _____________________________blockchain technologies. It's a global open source collaboration involving leaders from numerous industries.

  1. Linux Foundation, Cross Industry
  2. Defense Industry, Military Communications
  3. Linux Foundation, Military Communications
  4. Defense Industry, Financial Oriented
  5. Linux Foundation, Financial Oriented

Question 18

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

  1. Chaincode
  2. Service Account
  3. SDK
  4. API

Question 19

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

  1. Decrease the time of development
  2. Simplifies the development of applications
  3. Simplifies the code integration of applications
  4. Increases the time of development

Question 20

Chaincode Services uses Docker to host (deploy) the chaincode without relying on any virtual machine or computer language. What would be the main reason or best reason that Hyperledger chose containers over virtual machines?

  1. Docker provides a secured, lightweight method to sandbox chaincode execution that is “locked down”.
  2. Docker provides a secured, lightweight method to sandbox chaincode execution that is “locked down” but additional programming languages cannot be enabled
  3. Docker provides a secured, lightweight method to sandbox chaincode execution that is not “locked down”
  4. Docker is fully compatible with Hyperledger and Linux with an upgrade subscription.