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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.
Hyperledger Composer has the following two main components.
You would like to download Hyperledger Fabric. What would be the command to start the process?
_____________________________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?
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.)
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?

Question 9 - CBDH discussion

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The CA (Certificate Authority) in Hyperledger Fabric issues the certificates. These certificates are used for identity validation and for transmission of encrypted data that only the owner (person, organization or software) of a specific certificate is able to decrypt and read.

What types of certificates are issued by the CA?

A.
tcert
Answers
A.
tcert
B.
ecert
Answers
B.
ecert
C.
rootcert
Answers
C.
rootcert
Suggested answer: A, B, C

Explanation:

Rootcert, tcert and ecert. As The CA (Fabric CA by default) issues a root certificate (rootCert) to each member (organization or individual) that is authorized to join the network. The CA also issues an enrollment certificate (eCert) to each member component, server-side applications and occasionally end users. Each enrolled user is granted an allocation of transaction certificates (tCerts). Each tCert authorizes one network transaction.

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asked 16/09/2024
Yrae Franca de Pinho Gomes
50 questions
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