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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 75 - CBDH discussion

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When reviewing chaincode you see a function called "ChaincodeStubInterface" in the program.

What does this function do?

A.
It is used to access the ledger.
Answers
A.
It is used to access the ledger.
B.
It is used to access the chaincode interface.
Answers
B.
It is used to access the chaincode interface.
C.
It is used to access the ledger and modify the ledger.
Answers
C.
It is used to access the ledger and modify the ledger.
D.
It is used to stop the chaincode interface.
Answers
D.
It is used to stop the chaincode interface.
Suggested answer: C

Explanation:

Reference: http://tutorialsdiary.com/hyperledger-fabric-tutorials-chaincode-interface-chaincodestubinterface/

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asked 16/09/2024
Angelica Caldeo
41 questions
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