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CBDH – BTA Certified Blockchain Developer - Hyperledger

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Showing 1–3 of 10 questions

Question 1

The Membership Services Provider provides identity, privacy, and confidentiality to the network and also by default issues two types of certificates.

What are the certificate types? (Select two.)

Select all that apply, then click Submit answer.

  • ○

    Does not issue certificates by default
  • ○

    pcert
  • ○

    tcert
  • ○

    scert
  • ○

    ecert
Question 2

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.)

Select all that apply, then click Submit answer.

  • ○

    GetState
  • ○

    PutState
  • ○

    InvokeChaincode
  • ○

    GetStringArgs
Question 3

Hyperledger Explorer is what type of web application? (Select two.)

Select all that apply, then click Submit answer.

  • ○

    A Nodejs based web app which runs on Node/Express
  • ○

    A JS based web app which runs on Node/ExpressJS
  • ○

    Uses PostGres SQL as the backend database
  • ○

    Uses MySQL as the backend database