Free CBDH – BTA Certified Blockchain Developer - Hyperledger Practice Test Question

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  Does not issue certificates by default

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  pcert

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  tcert

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  scert

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  ecert
  
  

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  GetState

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  PutState

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  InvokeChaincode

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  GetStringArgs
  
  

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  A Nodejs based web app which runs on Node/Express

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  A JS based web app which runs on Node/ExpressJS

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  Uses PostGres SQL as the backend database

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  Uses MySQL as the backend database
  
  

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  Code individual contracts into standalone instances of chaincode.

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  Use chaincode to create decentralized applications that manage the life cycle of one or multiple types of business contracts, and let end users instantiate instances of contracts within these applications.

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  Code multiple contracts into distributed instances of chaincode.

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  Code individual contracts into distributed instances of chaincode.

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  Use chaincode to create centralized applications that manage the life cycle of one or multiple types of business contracts, and let end users instantiate instances of contacts within these applications.
  
  

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  Node.js

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  Go

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  Java
  
  

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  SDK

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  API

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  Golang

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  Java

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  Middleware
  
  

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  ftp clone https://github.com/hyperledger/fabric.sh

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  git clone https://github.com/hyperledger/fabric.git

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  ftp clone https://github.com/hyperledger/fabric.git

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  Decrease the time of development

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  Simplifies the development of applications

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  Simplifies the code integration of applications

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  Increases the time of development
  
  

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  Complex key-value pairs

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  Rich Queries

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  JSON data pairs

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  Simple key-value pairs
  
  

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  REST (Restructured State Transfer)

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  REST (Restructured State Transmission)

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  REST (Representational State Transmission)

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  REST (Real Time State Transfer)

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  REST (Representational State Transfer)