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12 DevOps principles read today

DevOps means a concept to bring Development team and operation team together. So that you can speed up the deployment process. Before you start learning the tools you need to understand core principles.
The useful DevOps Principles to know for your project and interviewsTo deliver rapidly without affecting qualityCommunication and Collaboration are the key ideas in DevOps conceptMultiple deploys are possible- if code in Development team automatedOnce you commit the repository, it tests the code automatically against the automated test scriptsIf Build is successfully passed, it installs automatically in Testing environment When infrastructure is automated, it installs automatically to other serversMinor changes takes place in isolation, that means , it creates separate server to deploy minor changesSpeed in Devops, organizations to better serve their customers and compete more effectively in the market.Quality and Security teams are part of DevOpsAutomating the process, much better pro…

Blockchain Smart contract behind mechanism you need to learn quickly

The smart contract in Blockchain is a kind of software application that works without human intervention based on the transaction logs and provide a solution to the user request. I want to share the back end mechanism in Smart Contract of Blockchain.

Smart Contract Mechanism

What is Smart Contract

  • A smart contract is a protocol which can auto execute, facilitate, verify or enforce the negotiation of a contract.
  • Agreement between two parties you can say as a contract.
  • Incorporating the rules of physical contract into computing world, you can say as smart contract
  • Blockchain supports you to create smart contracts.
  • Smart Contracts are self-executing programs which run on the blockchain and are capable of enforcing rules
  • Using Blockchain as platform and making an agreement or contract between more than two parties, you can say as Smart Contract.

Traditional Markets 

Traditional Markets

4 Top Benefits of Smart Contract

  1. Currently smart contracts are being used only in Crypto Currencies
  2. Now Smart Contracts being used in all financial transactions
  3. Smart contract can then raise funds for the foundation to complete a certain objective
  4. Primary benefit is to avoid middle men and to avoid fraud and cheating in the business world

Smart Contract Based Markets

Smart markets

When Smart Contract Initiated

  • Smart contracts are self executed programs. So they run automatically whenever they need. 
  • Each Smart contract in Blockchain stored in a Block.
  • Smart contracts have the following capabilities-self-execute, self-verify, self-enforce and self-constrain the agreement between two parties.

How many smart contract are present in Blockchain

  1. You can create 'N' number of smart contracts in Blockchain
  2. Smart Contract Manger over see all the transactions created in a network such that it avoids any fraud or cheating.

Summary

The contracts created under blockchain platform you can say as smart contract. The legality of contract monitored by computers but not by human beings. They enforce rules and creates alerts when something went wrong.

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Hyperledger Fabric Real Interview Questions Read Today

I am practicing Hyperledger. This is one of the top listed blockchains. This architecture follows R3 Corda specifications. Sharing the interview questions with you that I have prepared for my interview.

Though Ethereum leads in the real-time applications. The latest Hyperledger version is now ready for production applications. It has now become stable for production applications.
The Hyperledger now backed by IBM. But, it is still an open source. These interview questions help you to read quickly. The below set of interview questions help you like a tutorial on Hyperledger fabric. Hyperledger Fabric Interview Questions1). What are Nodes?
In Hyperledger the communication entities are called Nodes.

2). What are the three different types of Nodes?
- Client Node
- Peer Node
- Order Node
The Client node initiates transactions. The peer node commits the transaction. The order node guarantees the delivery.

3). What is Channel?
A channel in Hyperledger is the subnet of the main blockchain. You c…