CBDH Online Practice Questions and Answers

Every . cto model file requires a___________which means that every name inside of it must be unique.

A. namespace

B. chaincode

C. participant

D. asset

ceo file has which of the following elements:

A. Name space

B. Resources

C. Imports from other name spaces D. All of the above

One essential element of blockchain technology is the availability of cryptocurrency that can be used as value token on the DLT platform.

A. TRUE

B. FALSE

There are generally two ways to develop business contracts in Hyperledger. (Select two.)

A. Code individual contracts into standalone instances of chaincode.

B. 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.

C. Code multiple contracts into distributed instances of chaincode.

D. Code individual contracts into distributed instances of chaincode.

E. 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.

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?

A. Python

B. Assembler

C. C++

D. Go

E. Java

When creating Chaincode for your application what are two tasks you need to perform before running chaincode?

A. Make sure that a directory is created for your chaincode application as a child

B. Fork the hyperledger Github.

C. JS programming language installed and correctly configured.

D. Go programming language installed and correctly configured.

E. Create a directory on every peer node.

What Hyperledger tool is a blockchain benchmark tool that allows users to measure performance of a specific implementation with predefined use cases?

A. Cello

B. Explorer

C. Caliper

D. Composer

E. Quilt

You are writing chaincode and you need to access the ledger's state. What two functions of the chaincode shim API do you select? (Select two.)

A. GetState

B. PutState

C. InvokeChaincode

D. GetStringArgs

The Hyperledger Fabric framework is implemented on what programming environment?

A. C++

B. Node.js

C. Go

D. PHP

E. Javascript

F. Python

Blockchain services in Hyperledger Fabric manages the distributed ledger through a peer to peer protocol that is built on ______?

A. HTTP/2

B. TLS and SSL

C. TLS

D. HTTP/1

E. SSL