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Blockchain CBDH - BTA Certified Blockchain Developer – Hyperledger

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Total 195 questions

Hyperledger Fabric Consensus is planned out into 3 phases. Which one is NOT a phase?

A.

Ordering

B.

Endorsement

C.

Voting

D.

Validation

Members of the Hyperledger Fabric DLT network may be allowed to issue certificates to their employees and for their infrastructure

A.

FALSE

B.

TRUE

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

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

How are "assets" in Hyperledger Fabric represented? (Select two.)

A.

Binary

B.

Go

C.

JSON

D.

Node.JS

E.

Yaml

REST (Representational State Transfer) Server is often used to proxy requests to Hyperledger chaincode.

What value does using REST APIS provide?

A.

Provides a well-defined process for accessing blockchain services.

B.

Provides a well-defined middleware for connecting to off chain services such as Bitcoin.

C.

Provides a well-defined middleware for connecting to blockchain services.

D.

Provides a well-defined process for accessing web services.

What type of organization can be thought of as a corporation run without any human involvement under the control of an incorruptible set of business rules?

A.

Limited Liability Corporation

B.

Decentralized Autonomous Organization (DAO)

C.

Corporation

D.

Trust

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.)

A.

/registrar

B.

/register

C.

/chaincode

D.

/blockchain

E.

/BaaS

The advantages of using Hyperledger Fabric include which of the following?

A.

Having a modular component structure

B.

Having a native token

C.

Having a POW mining algorithm

D.

Ability to use your programs from SQL

Exhibit.

Based on the code snippet, the unique identifier for the Delivery is:

A.

status

B.

trackingld

C.

gpsReadings

D.

contract