The Hyperledger Project has a modular umbrella schema to its organization which includes three parts of the organizational schema. As part of the organizational schema, it includes an “Infrastructure” Module that is structured with four layers.
What layer below is NOT part of the structure?
The Infrastructure Module includes the following four modules: Technical, Legal, Marketing, and Organizational.
In Hyperledger Composer resources are declared which three ways? (Choose three.)
What does the code snippet displayed do?
What means "Forking" the Hyperledger Fabric Github repository? (Select two.)
Forking" the repository means creating a copy of this repository under your GitHub account. Note that the fork will fork the entire repository including all the branches.
Hyperledger Composer has the following two main components.
There are two parts: 1. Business Network Archive which essentially captures the core data in a business network, including the business model, transaction logic, and access controls, the Business Network Archive packages these elements up and deploys them to a runtime. Business Network Archive files are stored as “.bna” files. AND 2. Composer Playground which is web-based tool allows developers to learn Hyperledger Composer, model out their business network (domain), test that network, and deploy that network to a live instance of a blockchain network. The playground keeps the development model in browser storage, allowing them to be easily uploaded or downloaded.
Which of the characteristic is desired in a DLT for business?
Which of the following statements would be true regarding Hyperledger Composer Playground?
This web-based tool allows developers to learn Hyperledger Composer, model out their business network (domain), test that network, and deploy that network to a live instance of a blockchain network. The playground keeps the development model in browser storage, allowing them to be easily uploaded or downloaded. The playground also allows for CRUD (create, read, update, delete) operations to be performed on asset transactions which are created and logged. Composer playground offers a repository of sample business networks that can provide a base for building your own business network.
A ledger has 2 parts, which one is not part of the ledger?
The advantages of using Hyperledger Fabric include which of the following?
Hyperledger Fabric has a modular component structure and an extensible plug and play framework
REST (Representational State Transfer) Server is often used to proxy requests to Hyperledger chaincode.
What value does using REST APIS provide?
A REST (Representational State Transfer) Server is often used to proxy requests to Hyperledger chaincode. This provides a well defined process for accessing blockchain services.
A . ceo file has which of the following elements:
In Hyperledger Fabric, miners are called?
Smart contracts are created by computer programmers through the help of smart contract development tools and are entirely digital. These programs are usually written using programming code languages.
Which of the following languages would not be ideal for use in smart contracts?
Assembler languages are not web or html friendly nor high level.
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.
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.
When the________, ______________ or ________function of a chaincode is called, the fabric passes the stub *shim.ChaincodeStub parameter. (Select three.)
When the Init, Invoke or Query function of a chaincode is called, the fabric passes the stub *shim.ChaincodeStub parameter. This stub can be used to call APIs to access to the ledger services, transaction context, or to invoke other chaincodes.
What is the best description of how Kafka is utilized for consensus approach in Hyperledger Fabric?
Kafka essentially is a distributed, horizontally-scalable, fault-tolerant, commit log. The other answers are in correct.
Hyperledger Fabric is a blockchain implementation that is designed for deploying a modular and extensible architecture.
Which of the following is NOT true about the architecture of Hyperledger?
It has a modular subsystem design so that different implementations can be plugged in and implemented over time. Modular and extensible means modularity in all components of all frameworks, including: Consensus layer Smart contract layer Communication Layer Data Store Identity services (root of trust, to identify the participants).
Concepts, like other resources, can be instantiated
All but one can be used as Orderer implementation:
When reviewing chaincode you see a function called "ChaincodeStubInterface" in the program.
What does this function do?
When compared to public blockchain technologies, what are key Hyperledger Fabric differences?
Based on the chaincode displayed, which function returns the value of the specified asset key?
When creating a network according to an organization's structure and also bootstrap a channel what are the following artifacts we would need to generate?
To create a network according to an organization's structure, and to bootstrap a channel, we will need to generate the following artifacts: A genesis block, containing organization-specific certificates that serve to initialize the Fabric blockchain. Channel configuration information. Anchor peer configurations for each organization. An anchor peer serves as a fulcrum within an organization, for cross-organization ledger syncing using the Fabric gossip protocol.
The security module works in conjunction with the ________________________ module to provide access control service to any data recorded and business logic deployed on a chain network.
The security module works in conjunction with the membership service module to provide access control service to any data recorded and business logic deployed on a chain network.
What services provides the capability to provide authorized entities the means to link transactions of individual users or groups of users according to the affiliation or roles?
_____________________________provide identity, privacy, and confidentiality to the network and is an abstraction of an architecture for permissioned operations.
Membership services provide identity, privacy, and confidentiality to the network. Abstraction of an architecture for membership operations.
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