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Query is called whenever you query your chaincode's state. Queries do not result in blocks being added to the chain, and you cannot use certain functions. Which function can you not use inside a Query?
An_____________ is defined as a communication node that is responsible for the distribution of blockchain transactions in Hyperledger Fabric.
You would like to download Hyperledger Fabric. What would be the command to start the process?
Which of the following syntaxes will compile the chaincode?
The fastest way to test your chaincode is to use the REST interface on your peers. There are several REST endpoints you can test and interact with chaincode. (Select two.)
Chaincode in Hyperledger Fabric is a decentralized transactional program which is running on the validating nodes. Chaincode implements the Chaincode interface in particular, Init and Invoke functions. Which two statements about Chaincode is correct? (Select two.)
Hyperledger Composer has the following two main components.
What Hyperledger sponsored tool is a new 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?
_____________________________provide identity, privacy, and confidentiality to the network and is an abstraction of an architecture for permissioned operations.
Hyperledger Fabric includes a ____________-based service for ordering and broadcasting network transactions. This service also provides crash fault tolerance to your network; meaning that if an accepted number of ordering service nodes are unavailable, the service continues to order and distribute blocks of transactions to channel peers. What is the service based on?

Question 20 - CBDH discussion

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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?

A.
Docker provides a secured, lightweight method to sandbox chaincode execution that is “locked down”.
Answers
A.
Docker provides a secured, lightweight method to sandbox chaincode execution that is “locked down”.
B.
Docker provides a secured, lightweight method to sandbox chaincode execution that is “locked down” but additional programming languages cannot be enabledC. Docker provides a secured, lightweight method to sandbox chaincode execution that is not “locked down”
Answers
B.
Docker provides a secured, lightweight method to sandbox chaincode execution that is “locked down” but additional programming languages cannot be enabledC. Docker provides a secured, lightweight method to sandbox chaincode execution that is not “locked down”
C.
Docker is fully compatible with Hyperledger and Linux with an upgrade subscription.
Answers
C.
Docker is fully compatible with Hyperledger and Linux with an upgrade subscription.
Suggested answer: 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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asked 16/09/2024
Bruce Baynes
27 questions
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