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Free CBDH Exam Braindumps (page: 6)

Page 5 of 49
PDF with 195 Questions

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

Answer(s): A

Explanation:

Hyperledger is an open source project that came out of the LF and was created in order to help advance cross-industry blockchain technologies. It's a global open source collaboration involving leaders from numerous industries.



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

Answer(s): 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



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

Answer(s): 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.



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.

Answer(s): A

Explanation:

Docker provides a secured, lightweight method to sandbox chaincode execution that is "locked down" 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






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